Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Analog Devices Inc. ADA4077-4ARZ

Name: ADA4077-4ARZ
Brand: Analog Devices Inc.
SKU: ADA4077-4ARZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: ADA4077-4ARZ

Manufacturer:: Analog Devices Inc.

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: ADA4077-4ARZ.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SOIC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,564

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

ADA4077-4ARZ from Analog Devices is a quad-channel, high-precision operational amplifier optimized for low-offset, low-drift, low-noise signal conditioning in industrial and instrumentation systems. It delivers 50 µV max offset voltage (A grade), 0.75 µV/°C max drift, 6.9 nV/√Hz voltage noise density at 1 kHz, ±10 mA output drive, and operates from ±2.5 V to ±15 V supplies across −40°C to +125°C. It is used in RTD front-ends, optical network control circuits, and precision sensor interfaces where long-term stability and MSL1 reflow compatibility are critical.

For engineers reviewing the ADA4077-4ARZ datasheet, ADA4077-4ARZ pinout, ADA4077-4ARZ application, or ADA4077-4ARZ equivalent, key selection considerations include its 14-lead SOIC package, quad-channel topology, guaranteed offset and drift specs over full temperature range, immunity to phase reversal, and suitability for high-accuracy DC-coupled measurement paths requiring <1 µV hysteresis and 0.5 µV typical 10,000-hour long-term drift.

Technical Context

The ADA4077-4ARZ implements a sixth-generation precision op amp architecture derived from the OP07 lineage, featuring proprietary bipolar process technology that achieves ultra-low input bias current (±1 nA max) with minimal temperature sensitivity up to +125°C. Its input stage avoids JFET limitations while maintaining rail-to-rail common-mode range and no phase reversal behavior even beyond supply rails.

It supports unity-gain stability with >55° phase margin and drives >1000 pF capacitive loads without external compensation. The device is specified for dual-supply operation from ±2.5 V to ±15 V, with PSRR and CMRR exceeding 120 dB across the full operating temperature range, enabling robust performance in noisy industrial environments.

Key Specifications

Parameter	Value and Actual Design Meaning
Offset Voltage	50 µV maximum at 25°C (A grade, 14-lead SOIC); ensures ≤100 µV error in 2 V full-scale 16-bit systems before calibration.
Offset Drift	0.75 µV/°C maximum over −40°C to +125°C; contributes <90 µV total drift across full range - critical for uncalibrated thermal sensor interfaces.
Voltage Noise Density	6.9 nV/√Hz at 1 kHz; enables sub-1 µV RMS noise in 10 Hz–10 kHz bandwidths for high-resolution strain gage or thermocouple amplification.
Supply Current	400 µA per amplifier typical at ±5 V; allows four channels to operate below 1.8 mA total - suitable for battery-backed or energy-constrained instrumentation.
Gain Bandwidth Product	3.9 MHz at ±5 V; supports stable closed-loop gain of 100 with ≥39 kHz small-signal bandwidth for precision filter and active sensor interface designs.
Output Drive	±10 mA into 2 kΩ load; sufficient to drive 10-bit DAC reference buffers, 4–20 mA loop transmitters, or multiplexed ADC input stages directly.
CMRR / PSRR	≥120 dB minimum over −40°C to +125°C; rejects power supply ripple and common-mode interference in line-powered process controllers and PLC analog I/O modules.

Pinout & Package

ADA4077-4ARZ is housed in a 14-lead narrow-body SOIC (R-14) package, RoHS-compliant, MSL1 rated, with 1.27 mm lead pitch and standard JEDEC outline dimensions. Thermal resistance θ_JA = 115°C/W (SOIC), θ_JC = 36°C/W.

Pin	Circuit Role	Design Meaning
1	OUT A	Amplifier A output; capable of ±10 mA drive with 3.5 V swing (±5 V supply) or ±13.5 V (±15 V supply).
2	−IN A	Inverting input for Channel A; differential input impedance >70 GΩ enables high-Z sensor interfacing without loading.
3	+IN A	Noninverting input for Channel A; common-mode range extends to within 1.2 V of rails (±5 V supply).
4	V+	Positive supply rail; accepts +2.5 V to +15 V; bypass capacitor required within 2 mm for stable PSRR performance.
5	+IN B	Noninverting input for Channel B; electrically isolated from other channels with −125 dB channel separation at 1 kHz.
6	−IN B	Inverting input for Channel B; matched to Channel A inputs for common-mode rejection in differential configurations.
7	OUT B	Amplifier B output; identical electrical specs to OUT A; supports independent feedback networks per channel.
8	OUT C	Amplifier C output; enables three-channel simultaneous signal conditioning (e.g., 3-wire RTD + reference + buffer).
9	−IN C	Inverting input for Channel C; shares same input structure and bias current spec as Channels A/B/D.
10	+IN C	Noninverting input for Channel C; supports precision summing, averaging, or multi-sensor correlation functions.
11	V−	Negative supply rail; accepts −2.5 V to −15 V; must be decoupled independently from V+ to prevent ground bounce coupling.
12	+IN D	Noninverting input for Channel D; allows full quad-channel utilization in 4-wire RTD, multi-axis sensor, or redundant monitoring systems.
13	−IN D	Inverting input for Channel D; enables independent gain-setting for fourth channel without cross-talk.
14	OUT D	Amplifier D output; completes quad functionality; supports independent output loading up to ±10 mA per channel.

Key Features

Feature	Design Value
No phase reversal	Immune to polarity inversion even when input exceeds supply rails - eliminates latch-up risk in overvoltage sensor fault conditions.
MSL1 reflow rating	Rated for 260°C peak reflow per IPC/JEDEC J-STD-020 - compatible with high-density PCB assembly without moisture-induced popcorning.
Long-term offset drift	0.5 µV typical over 10,000 hours - reduces recalibration frequency in field-deployed test equipment and medical analyzers.
Temperature hysteresis	1 µV typical after full −40°C ↔ +125°C cycling - ensures repeatable zero-point accuracy in thermal chamber controllers and environmental monitors.
Capacitive load drive	Stable with >1000 pF output capacitance - eliminates need for isolation resistors when driving ADC input filters or coaxial cables.

Applications

RTD Temperature Sensing	Optical Network Control
Use Scenario: Linearized 3-wire or 4-wire RTD front-end in industrial temperature transmitters operating from −40°C to +125°C. IC Role / Device Role / Timing Role: Precision instrumentation amplifier providing excitation current buffering, differential gain, and cold-junction compensation reference buffering. Use Value: Achieves ±0.5°C system accuracy after two-point calibration due to <50 µV offset, <90 µV total drift, and <1 µV hysteresis - eliminating need for on-board EEPROM calibration tables.	Use Scenario: Bias control loop for laser diodes and photodiode transimpedance amplifiers in fiber-optic transceivers. IC Role / Device Role / Timing Role: Low-noise, low-drift transimpedance and voltage-controlled current source amplifier stabilizing optical power output. Use Value: 6.9 nV/√Hz noise and 0.75 µV/°C drift maintain <0.1% optical power variation over temperature - meeting GR-468 reliability requirements for telecom modules.
Precision Data Acquisition	Process Control Signal Conditioning
Use Scenario: Input stage for 24-bit delta-sigma ADCs in portable multimeters and portable oscilloscopes. IC Role / Device Role / Timing Role: DC-coupled, unity-gain buffer and programmable-gain amplifier preceding sigma-delta modulator. Use Value: 70 GΩ input resistance and ±1 nA bias current prevent gain error in high-impedance probe interfaces; 0.25 µV_PP (0.1–10 Hz) noise preserves effective resolution beyond 20 bits.	Use Scenario: Analog input/output conditioning in PLC analog I/O modules handling 4–20 mA loops and thermocouple inputs. IC Role / Device Role / Timing Role: Isolated signal conditioner for sensor inputs and actuator drive outputs with galvanically separated feedback paths. Use Value: 120+ dB PSRR/CMRR suppresses 50/60 Hz mains interference and switching regulator noise - enabling <0.01% FSR accuracy in harsh factory-floor EMI environments.

RTD Temperature Sensing

Optical Network Control

Use Scenario: Linearized 3-wire or 4-wire RTD front-end in industrial temperature transmitters operating from −40°C to +125°C.

IC Role / Device Role / Timing Role: Precision instrumentation amplifier providing excitation current buffering, differential gain, and cold-junction compensation reference buffering.

Use Value: Achieves ±0.5°C system accuracy after two-point calibration due to <50 µV offset, <90 µV total drift, and <1 µV hysteresis - eliminating need for on-board EEPROM calibration tables.

Use Scenario: Bias control loop for laser diodes and photodiode transimpedance amplifiers in fiber-optic transceivers.

IC Role / Device Role / Timing Role: Low-noise, low-drift transimpedance and voltage-controlled current source amplifier stabilizing optical power output.

Use Value: 6.9 nV/√Hz noise and 0.75 µV/°C drift maintain <0.1% optical power variation over temperature - meeting GR-468 reliability requirements for telecom modules.

Precision Data Acquisition

Process Control Signal Conditioning

Use Scenario: Input stage for 24-bit delta-sigma ADCs in portable multimeters and portable oscilloscopes.

IC Role / Device Role / Timing Role: DC-coupled, unity-gain buffer and programmable-gain amplifier preceding sigma-delta modulator.

Use Value: 70 GΩ input resistance and ±1 nA bias current prevent gain error in high-impedance probe interfaces; 0.25 µV_PP (0.1–10 Hz) noise preserves effective resolution beyond 20 bits.

Use Scenario: Analog input/output conditioning in PLC analog I/O modules handling 4–20 mA loops and thermocouple inputs.

IC Role / Device Role / Timing Role: Isolated signal conditioner for sensor inputs and actuator drive outputs with galvanically separated feedback paths.

Use Value: 120+ dB PSRR/CMRR suppresses 50/60 Hz mains interference and switching regulator noise - enabling <0.01% FSR accuracy in harsh factory-floor EMI environments.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-precision op amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
OP4177ARZ	Higher offset drift (1.2 µV/°C max), lower GBW (1.3 MHz), no MSL1 rating; SOIC-14 package same footprint.	Less suitable for extended-temperature industrial deployments; requires more frequent calibration in thermal cycling environments.	Choose OP4177ARZ only if legacy design reuse or cost sensitivity outweighs long-term stability requirements.
AD8677ARZ	Single-channel only; identical offset (50 µV max) and drift (0.75 µV/°C) specs; same SOIC-8 package; lacks quad integration.	Requires four separate devices and PCB area for quad function; increases layout complexity and inter-channel mismatch risk.	Choose AD8677ARZ only when board space permits discrete channel routing or when single-channel isolation is mandatory.

Compared with OP4177ARZ and AD8677ARZ, ADA4077-4ARZ uniquely combines quad-channel integration, MSL1 reflow compliance, and <1 µV temperature hysteresis - making it the only option supporting high-density, high-reliability, and maintenance-free operation in field-deployed instrumentation.

Availability

ADA4077-4ARZ is available at Aetrix Electronics and suitable for precision data acquisition, optical network control, and industrial process control applications requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for ADA4077-4ARZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.

The ADA4077 family represents Analog Devices' sixth-generation evolution of the OP07 precision op amp platform, engineered specifically for ultra-stable, low-power, high-accuracy DC signal chains in demanding industrial and instrumentation environments.

FAQ

What is the maximum operating temperature range for the ADA4077-4ARZ?

The ADA4077-4ARZ is fully specified over an operating temperature range of −40°C to +125°C. This extended industrial range is validated across all key parameters including offset voltage, drift, CMRR, PSRR, and output drive capability - ensuring reliable performance in motor control cabinets, outdoor telecom enclosures, and engine bay sensors where ambient temperatures exceed standard commercial limits.

Does the ADA4077-4ARZ require external compensation for stability?

No, the ADA4077-4ARZ is unity-gain stable and does not require external compensation. It maintains >55° phase margin with capacitive loads exceeding 1000 pF, enabling direct connection to ADC input filters, coaxial cables, or multiplexed sensor arrays without added series resistance or feedback capacitors - simplifying layout and preserving signal integrity in high-impedance measurement paths.

What package type is used for the ADA4077-4ARZ?

The ADA4077-4ARZ uses a 14-lead narrow-body SOIC (R-14) package per JEDEC MS-012, with 1.27 mm lead pitch and standard footprint. It is RoHS-compliant, MSL1 rated for 260°C reflow, and features θ_JA = 115°C/W - making it compatible with high-volume surface-mount assembly and thermally constrained PCB layouts in compact instrumentation modules.

How does the ADA4077-4ARZ handle input overvoltage conditions?

The ADA4077-4ARZ includes internal input clamp diodes to both supply rails and between inputs, allowing safe operation with input voltages up to ±10 mA current limit beyond the rails. When used with external current-limiting resistors, it withstands sustained overvoltage events - such as sensor disconnect transients or ESD spikes - without phase reversal or latch-up, a known failure mode in older precision op amps like the OP07.

Is the ADA4077-4ARZ pin-compatible with other quad op amps in SOIC-14 packages?

The ADA4077-4ARZ follows the industry-standard SOIC-14 pinout for quad op amps (e.g., pin 1 = OUT A, pin 2 = −IN A, pin 3 = +IN A, pin 4 = V+, etc.), matching the physical layout of OP4177ARZ and AD8034ARZ. However, electrical behavior differs significantly - especially in offset drift, noise, and MSL1 rating - so functional replacement requires validation of thermal, noise, and long-term stability requirements in the target application.

ADA4077-4ARZ Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tube

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 4

Output Type:: -

Slew Rate:: 1.2V/µs

Gain Bandwidth Product:: 3.6 MHz

-3db Bandwidth:: 5.5 MHz

Current - Input Bias:: 400 pA

Voltage - Input Offset:: 15 µV

Current - Supply:: 400µA (x4 Channels)

Current - Output / Channel:: 10 mA

Voltage - Supply Span (Min):: 5 V

Voltage - Supply Span (Max):: 30 V

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOIC

ADA4077-4ARZ FAQ

1.How can I place an order for ADA4077-4ARZ through Aetrix?

Please submit a Request for Quotation (RFQ) for ADA4077-4ARZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ADA4077-4ARZ reliable?

The price and inventory of ADA4077-4ARZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4077-4ARZ is usually 5 days.

3.What payment methods are accepted for ADA4077-4ARZ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4077-4ARZ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADA4077-4ARZ?

ADA4077-4ARZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADA4077-4ARZ order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ADA4077-4ARZ?

For technical support, including ADA4077-4ARZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4077-4ARZ requirements.

6.How does Aetrix verify that ADA4077-4ARZ is sourced from the original manufacturer or authorized distributors?

All ADA4077-4ARZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADA4077-4ARZ meets industry standards.

7.What is the process for return or replacement of ADA4077-4ARZ?

All ADA4077-4ARZ units undergo pre-shipment inspection (PSI). If there is an issue with ADA4077-4ARZ, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ADA4077-4ARZ part is unused and in its original packaging.

Return procedure for ADA4077-4ARZ:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…