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. ADA4177-4ARZ-R7

Name: ADA4177-4ARZ-R7
Brand: Analog Devices Inc.
SKU: ADA4177-4ARZ-R7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: ADA4177-4ARZ-R7

Manufacturer:: Analog Devices Inc.

Category:: Instrumentation, Op Amps, Buffer Amps

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

Datasheet:: ADA4177-4ARZ-R7.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SOIC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:1,383

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

Product details

Overview

ADA4177-4ARZ-R7 from Analog Devices is a quad-channel precision operational amplifier featuring 60 µV maximum offset voltage at 25°C, 1 µV/°C maximum drift, 1 nA maximum input bias current, 8 nV/√Hz voltage noise density at 1 kHz, and rail-to-rail output swing - designed for high-accuracy sensor signal conditioning in industrial instrumentation and optical network control circuits.

For engineers reviewing the ADA4177-4ARZ-R7 datasheet, ADA4177-4ARZ-R7 pinout, ADA4177-4ARZ-R7 application, or ADA4177-4ARZ-R7 equivalent, this page delivers verified specifications, package-confirmed pin functions, EMI-rejection performance at 1000 MHz and 2400 MHz, overvoltage protection to ±32 V beyond supplies, and real-world design implications for thermocouple, RTD, and shunt current measurement systems.

Technical Context

The ADA4177-4ARZ-R7 implements a robust input stage with integrated EMI filtering (70 dB rejection at 1000 MHz, 90 dB at 2400 MHz) and active overvoltage protection that limits input current to 10–12 mA when stressed to ±32 V beyond supply rails. Its unity-gain stable architecture supports capacitive loads >1000 pF without external compensation.

It operates across ±2.5 V to ±18 V dual supplies and maintains precision performance over −40°C to +125°C, with guaranteed 100 dB minimum large-signal voltage gain and 122 dB typical CMRR at ±5 V - enabling direct use in high-common-mode, low-drift front-end amplifiers for process control and precision metrology.

Key Specifications

Parameter	Value and Actual Design Meaning
Offset Voltage	60 µV max at 25°C (14-lead SOIC): ensures ≤0.006% error in 1 V full-scale measurements before trimming.
Offset Drift	1 µV/°C max: contributes ≤12 µV error over 125°C industrial temperature range - critical for uncalibrated long-term stability.
Input Bias Current	1 nA max at 25°C: enables <0.1 mV error with 1 MΩ source impedance, suitable for high-Z sensors like RTDs and piezoresistive bridges.
Voltage Noise Density	8 nV/√Hz at 1 kHz: supports sub-µV resolution in bandwidth-limited precision DC applications (e.g., thermocouple amplification).
EMI Rejection	70 dB at 1000 MHz / 90 dB at 2400 MHz: suppresses cellular/WiFi interference in noisy industrial or telecom environments without external filters.
Overvoltage Protection	±32 V beyond supplies: allows safe operation with transient-coupled inputs (e.g., motor drive feedback, relay outputs) without external clamping diodes.
Supply Current	500 µA typical per amplifier: enables low-power, multi-channel precision sensing in space-constrained or battery-assisted systems.

Pinout & Package

ADA4177-4ARZ-R7 is packaged in a 14-lead SOIC (Small Outline Integrated Circuit) with standard JEDEC MS-012AC footprint, 1.27 mm pitch, and 8.65 mm × 3.90 mm body dimensions - compatible with automated SMT assembly and IPC-7351B land patterns.

Pin/Terminal	Circuit Role	Design Meaning
1	OUT A	Amplifier A output; rail-to-rail swing supports full dynamic range into 2 kΩ load with ≤100 mV dropout.
2	−IN A	Inverting input of Channel A; protected against ±32 V overvoltage and filtered for EMI immunity.
3	+IN A	Noninverting input of Channel A; matched to −IN A for common-mode rejection and low offset.
4	V+	Positive supply rail; accepts ±2.5 V to ±18 V; decoupling required within 1 cm for EMI suppression.
5	+IN B	Noninverting input of Channel B; electrically isolated from other channels with ≥127 dB separation at 1 kHz.
6	−IN B	Inverting input of Channel B; shares same OVP/EMI protection as all inputs.
7	OUT B	Amplifier B output; identical AC/DC specs to OUT A; supports independent closed-loop configurations.
8	OUT C	Amplifier C output; enables 3-channel simultaneous acquisition without cross-talk degradation.
9	−IN C	Inverting input of Channel C; validated for operation with VCM = ±13.5 V at ±15 V supplies.
10	+IN C	Noninverting input of Channel C; matched pair with −IN C for optimal CMRR in differential configurations.
11	V−	Negative supply rail; symmetric to V+; must be referenced to system ground or negative bias source.
12	+IN D	Noninverting input of Channel D; supports fourth independent sensor channel in compact layout.
13	−IN D	Inverting input of Channel D; fully protected and characterized for −40°C to +125°C operation.
14	OUT D	Amplifier D output; completes quad-channel functionality with identical settling time (3.5 µs to 0.01%) and THD+N (0.002%).

Key Features

Feature	Design Value
Integrated EMI filter	70 dB rejection at 1000 MHz and 90 dB at 2400 MHz eliminates need for external RF chokes or ferrite beads in wireless-adjacent designs.
Input overvoltage protection	Withstands ±32 V beyond supply rails for 500 ms without latch-up or parametric shift - removes external Zener clamp requirements.
Rail-to-rail output	Delivers ≥4.95 V swing at ±5 V supplies with 1 mA load, maximizing ADC utilization and reducing gain-stage headroom loss.
Unity-gain stable	Operates with >1000 pF capacitive loads without oscillation or phase reversal - simplifies driving ADC inputs or long cables.
Low long-term drift	2 µV typical 10,000-hour drift enables 10-year calibration intervals in sealed industrial instruments without recalibration.
High channel separation	127 dB at 1 kHz prevents crosstalk between adjacent channels in multi-sensor data acquisition systems.

Applications

Thermocouple Amplification	RTD Signal Conditioning
Use Scenario: Amplifying microvolt-level Seebeck voltages from Type K thermocouples in furnace controllers with ambient temperature gradients up to 100°C. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end with cold-junction compensation interface. Use Value: 1 µV/°C drift and 60 µV offset ensure <±0.5°C absolute accuracy over full industrial temperature range without software correction.	Use Scenario: Exciting and measuring 100 Ω Pt RTDs in HVAC airflow sensors where lead resistance varies with cable length and temperature. IC Role / Device Role / Timing Role: Low-bias-current, high-CMRR current-source buffer and differential receiver. Use Value: 1 nA input bias current minimizes self-heating error in 4-wire Kelvin RTD configurations; 122 dB CMRR rejects common-mode noise from shared power rails.
Strain Gage Wheatstone Bridge	Shunt-Based Current Monitoring
Use Scenario: Reading mV-level differential outputs from 350 Ω foil strain gages in structural health monitoring systems deployed outdoors. IC Role / Device Role / Timing Role: Low-noise, high-input-impedance bridge amplifier with programmable gain. Use Value: 8 nV/√Hz noise density preserves SNR in 10 Hz–1 kHz bandwidth; ±32 V OVP protects against lightning-induced transients on long sensor leads.	Use Scenario: Measuring bidirectional motor phase currents up to ±50 A using 1 mΩ shunt resistors in industrial inverters. IC Role / Device Role / Timing Role: High-precision, high-common-mode-voltage current-sense amplifier with rail-to-rail output. Use Value: Input voltage range extends to ±13.5 V at ±15 V supplies, enabling direct sensing of 13.5 V common-mode bus voltages; 100 dB AVO ensures accurate low-side/high-side measurement linearity.

Thermocouple Amplification

RTD Signal Conditioning

Use Scenario: Amplifying microvolt-level Seebeck voltages from Type K thermocouples in furnace controllers with ambient temperature gradients up to 100°C.

IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end with cold-junction compensation interface.

Use Value: 1 µV/°C drift and 60 µV offset ensure <±0.5°C absolute accuracy over full industrial temperature range without software correction.

Use Scenario: Exciting and measuring 100 Ω Pt RTDs in HVAC airflow sensors where lead resistance varies with cable length and temperature.

IC Role / Device Role / Timing Role: Low-bias-current, high-CMRR current-source buffer and differential receiver.

Use Value: 1 nA input bias current minimizes self-heating error in 4-wire Kelvin RTD configurations; 122 dB CMRR rejects common-mode noise from shared power rails.

Strain Gage Wheatstone Bridge

Shunt-Based Current Monitoring

Use Scenario: Reading mV-level differential outputs from 350 Ω foil strain gages in structural health monitoring systems deployed outdoors.

IC Role / Device Role / Timing Role: Low-noise, high-input-impedance bridge amplifier with programmable gain.

Use Value: 8 nV/√Hz noise density preserves SNR in 10 Hz–1 kHz bandwidth; ±32 V OVP protects against lightning-induced transients on long sensor leads.

Use Scenario: Measuring bidirectional motor phase currents up to ±50 A using 1 mΩ shunt resistors in industrial inverters.

IC Role / Device Role / Timing Role: High-precision, high-common-mode-voltage current-sense amplifier with rail-to-rail output.

Use Value: Input voltage range extends to ±13.5 V at ±15 V supplies, enabling direct sensing of 13.5 V common-mode bus voltages; 100 dB AVO ensures accurate low-side/high-side measurement linearity.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD8628ARZ	Single-channel, 1 µV max offset, 0.002 µV/°C drift, but no integrated EMI filter or ±32 V OVP.	Lacks quad-channel integration and robustness for harsh EMI environments or transient-prone industrial I/O modules.	Prefer AD8628ARZ only when ultra-low drift dominates over channel count and ruggedness requirements.
OPA2189IDR	Dual-channel, 0.012 µV/°C drift, 5.6 nV/√Hz noise, but rated only to ±22 V OVP and no specified EMI rejection.	Superior noise and drift, yet unsuitable for ±32 V fault conditions or 2.4 GHz WiFi co-location without added filtering.	Select OPA2189IDR for ultra-low-noise lab-grade instrumentation where environmental stress is controlled and quad-channel density is not needed.

Compared with AD8628ARZ and OPA2189IDR, ADA4177-4ARZ-R7 uniquely combines quad-channel integration, ±32 V overvoltage tolerance, and 90 dB EMI rejection at 2400 MHz - making it the only option qualified for unfiltered, multi-sensor front-ends in telecom infrastructure and factory automation I/O modules.

Availability

ADA4177-4ARZ-R7 is available at Aetrix Electronics and suitable for industrial instrumentation, optical network control circuits, and precision sensor signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ADA4177-4ARZ-R7 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, headquartered in Wilmington, MA, serving industrial, automotive, communications, and healthcare markets since 1965.

The ADA4177 family was engineered specifically for precision sensor interfaces demanding simultaneous low offset, low drift, low noise, and field-rugged input protection - targeting applications where reliability under electrical stress cannot be compromised by cost or complexity trade-offs.

FAQ

What is the maximum supply voltage range supported by the ADA4177-4ARZ-R7?

The ADA4177-4ARZ-R7 operates over a dual-supply range of ±2.5 V to ±18 V, with absolute maximum ratings allowing up to ±18 V continuous operation and 36 V total supply differential. It is fully specified at ±5 V and ±15 V, delivering consistent offset, noise, and bandwidth performance across this range - enabling flexible use in both low-voltage portable sensors and high-voltage industrial control systems.

Does the ADA4177-4ARZ-R7 require external compensation for capacitive loads?

No, the ADA4177-4ARZ-R7 is unity-gain stable and characterized to drive capacitive loads exceeding 1000 pF without external compensation or isolation resistors. This capability is verified across temperature and supply voltage, making it ideal for directly driving SAR ADC inputs, long PCB traces, or coaxial cables in data acquisition systems without risking instability or overshoot.

How does the EMI rejection performance of the ADA4177-4ARZ-R7 impact PCB layout?

The ADA4177-4ARZ-R7's integrated EMI filter (70 dB at 1000 MHz, 90 dB at 2400 MHz) significantly reduces sensitivity to RF interference, allowing relaxed layout rules compared to unprotected op amps. However, proper V+ and V− decoupling with 100 nF ceramic capacitors placed within 1 cm of pins 4 and 11 remains essential to maintain full EMI rejection and prevent supply-line coupling.

Can the ADA4177-4ARZ-R7 be used in single-supply configurations?

Yes, the ADA4177-4ARZ-R7 supports single-supply operation by biasing the inputs and outputs within the valid common-mode and output voltage ranges. For example, with V+ = 5 V and V− = 0 V, the input common-mode range is 0 V to 3.5 V and the output swings rail-to-rail (0.05 V to 4.95 V at 1 mA), enabling use in 3.3 V or 5 V microcontroller-based sensor nodes without level-shifting circuitry.

What is the thermal resistance (θJA) of the ADA4177-4ARZ-R7 in its 14-lead SOIC package?

The ADA4177-4ARZ-R7 in the 14-lead SOIC package has a thermal resistance (θJA) of 115°C/W under JEDEC-standard PCB mounting conditions. This value assumes a 2-layer board with 1 in² copper pour connected to the exposed pad (if present) - though the SOIC variant has no exposed pad. At 500 µA per amplifier (2 mA total quiescent current), power dissipation remains low enough to avoid thermal derating below 125°C ambient in typical layouts.

ADA4177-4ARZ-R7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 4

Output Type:: Rail-to-Rail

Slew Rate:: 1.5V/µs

Gain Bandwidth Product:: 3.5 MHz

-3db Bandwidth:: 6 MHz

Current - Input Bias:: 300 pA

Voltage - Input Offset:: 2 µV

Current - Supply:: 500µA (x4 Channels)

Current - Output / Channel:: 25 mA

Voltage - Supply Span (Min):: 5 V

Voltage - Supply Span (Max):: 36 V

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOIC

ADA4177-4ARZ-R7 FAQ

1.How can I place an order for ADA4177-4ARZ-R7 through Aetrix?

Please submit a Request for Quotation (RFQ) for ADA4177-4ARZ-R7 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 ADA4177-4ARZ-R7 reliable?

The price and inventory of ADA4177-4ARZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4177-4ARZ-R7 is usually 5 days.

3.What payment methods are accepted for ADA4177-4ARZ-R7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4177-4ARZ-R7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADA4177-4ARZ-R7?

ADA4177-4ARZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADA4177-4ARZ-R7 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 ADA4177-4ARZ-R7?

For technical support, including ADA4177-4ARZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4177-4ARZ-R7 requirements.

6.How does Aetrix verify that ADA4177-4ARZ-R7 is sourced from the original manufacturer or authorized distributors?

All ADA4177-4ARZ-R7 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 ADA4177-4ARZ-R7 meets industry standards.

7.What is the process for return or replacement of ADA4177-4ARZ-R7?

All ADA4177-4ARZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADA4177-4ARZ-R7, 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 ADA4177-4ARZ-R7 part is unused and in its original packaging.

Return procedure for ADA4177-4ARZ-R7:

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…