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

Analog Devices Inc. ADA4077-4ARZ-RL

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

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Part No.:: ADA4077-4ARZ-RL

Manufacturer:: Analog Devices Inc.

Category:: Instrumentation, Op Amps, Buffer Amps

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

Datasheet:: ADA4077-4ARZ-RL.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SOIC

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Product details

Overview

ADA4077-4ARZ-RL 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, ±13.2 V output swing (±15 V supply), and operates across −40°C to +125°C. It is used in RTD front-ends, optical network control circuits, and precision filters where long-term stability and MSL1 reflow compatibility are critical.

For engineers reviewing the ADA4077-4ARZ-RL datasheet, ADA4077-4ARZ-RL pinout, ADA4077-4ARZ-RL application, or ADA4077-4ARZ-RL equivalent, key selection criteria include guaranteed A-grade offset and drift specs over full temperature range, 14-lead SOIC package compatibility with high-density layouts, MSL1 reflow rating for lead-free assembly, and verified immunity to input phase reversal - all confirmed in Rev. F datasheet.

Technical Context

The ADA4077-4ARZ-RL implements a sixth-generation precision op amp architecture evolved from the OP07 family, featuring proprietary bipolar process technology enabling 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 (−13.8 V to +13 V at ±15 V supply) and >120 dB CMRR/PSRR.

It achieves unity-gain stability driving >1000 pF capacitive loads without external compensation, supports dual-supply operation from ±2.5 V to ±15 V, and exhibits no phase reversal even when inputs exceed supply rails - a critical reliability feature for sensor front-ends exposed to transient overvoltage conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
Offset Voltage	50 µV max at 25°C (A grade, 14-lead SOIC); ensures <0.005% gain error in 1 V full-scale precision measurement paths
Offset Drift	0.75 µV/°C max over −40°C to +125°C; contributes <60 µV total drift across full temp range - critical for uncalibrated field-deployed sensors
Voltage Noise Density	6.9 nV/√Hz at 1 kHz; enables sub-µV resolution in 10 Hz–10 kHz bandwidths typical of strain gage and thermocouple amplification
Supply Current	400 µA per amplifier typical; allows four channels to operate on <1.7 mA total - suitable for battery-backed or energy-constrained instrumentation
Output Swing	±13.2 V min at ±15 V supply; provides >90% rail utilization for high-dynamic-range analog outputs without clipping
CMRR / PSRR	>120 dB min; rejects >100,000:1 common-mode interference and supply ripple - essential in noisy industrial environments
Gain Bandwidth	3.9 MHz; supports stable closed-loop gains up to ~100× at DC–10 kHz with <0.1% settling in ≤10 µs

Pinout & Package

ADA4077-4ARZ-RL is supplied in a 14-lead narrow-body SOIC (R-14) package, RoHS-compliant, MSL1 rated, with 1.27 mm pitch and standard JEDEC outline dimensions.

Pin/Terminal	Circuit Role	Design Meaning
1	OUT A	Amplifier A output; capable of ±10 mA drive into 2 kΩ load with <0.05 Ω closed-loop impedance at 1 kHz
2	−IN A	Inverting input for Channel A; differential input voltage range ±15 V, protected by internal clamp diodes
3	+IN A	Noninverting input for Channel A; 70 GΩ common-mode input resistance minimizes leakage-induced offset
4	V+	Positive supply rail; accepts +2.5 V to +18 V; requires local 0.1 µF ceramic bypass capacitor
5	+IN B	Noninverting input for Channel B; electrically isolated from other channels with −125 dB crosstalk at 1 kHz
6	−IN B	Inverting input for Channel B; matched to Channel A for common-mode rejection in differential configurations
7	OUT B	Amplifier B output; identical performance to OUT A; supports independent feedback networks
8	OUT C	Amplifier C output; enables three-channel simultaneous signal conditioning (e.g., 3-wire RTD excitation + sensing)
9	−IN C	Inverting input for Channel C; shares same input bias current spec (±1 nA) as all channels
10	+IN C	Noninverting input for Channel C; supports precision summing or instrumentation amplifier topologies
11	V−	Negative supply rail; accepts −2.5 V to −18 V; must be decoupled independently from V+
12	+IN D	Noninverting input for Channel D; enables fourth independent channel for reference buffering or guard drive
13	−IN D	Inverting input for Channel D; fully specified for same offset, drift, and noise as Channels A–C
14	OUT D	Amplifier D output; completes quad functionality; supports simultaneous 4-channel data acquisition front-end design

Key Features

Feature	Design Value
No phase reversal	Guaranteed immunity to polarity inversion when inputs exceed supply rails - eliminates risk of system lockup in overvoltage fault conditions
MSL1 reflow rating	Rated for 260°C peak reflow per IPC/JEDEC J-STD-020 - compatible with high-reliability lead-free PCB assembly without moisture sensitivity concerns
Long-term offset drift	0.5 µV typical over 10,000 hours - less than 2% of max 25 µV B-grade spec, enabling multi-year calibration intervals in field instruments
Temperature hysteresis	1 µV typical after full −40°C ↔ +125°C ↔ 25°C cycling - ensures repeatable accuracy across thermal cycles in outdoor or automotive environments
Capacitive load drive	Stable with >1000 pF loads at unity gain - eliminates need for external isolation resistors in ADC driver or filter applications

Applications

RTD Temperature Sensing	Optical Network Control
Use Scenario: Precision linearization of Pt100/Pt1000 resistance temperature detectors in industrial process controllers. IC Role / Device Role / Timing Role: Quad amplifier configures as excitation current source, differential input stage, reference buffer, and output level shifter - all within single 14-lead SOIC. Use Value: Enables <±0.1°C accuracy over −40°C to +125°C using only one IC, reducing board area and inter-channel mismatch vs. discrete solutions.	Use Scenario: Bias control and monitoring of laser diodes and photodiode receivers in fiber-optic transceivers. IC Role / Device Role / Timing Role: High-PSRR quad op amp provides stable bias voltage, monitors photocurrent, rejects supply ripple, and buffers reference for DAC-driven control loops. Use Value: >120 dB PSRR suppresses switching noise from adjacent DC/DC converters, preventing bit errors in 10+ Gbps optical links.
Precision Strain Gauge Bridge	High-Stability Instrumentation Filter
Use Scenario: Low-noise amplification of mV-level Wheatstone bridge outputs in load cells and pressure sensors. IC Role / Device Role / Timing Role: One channel conditions bridge output; others buffer references, drive excitation, and implement active filtering to reject 50/60 Hz line noise. Use Value: 6.9 nV/√Hz noise density and 0.75 µV/°C drift ensure <10 ppm measurement uncertainty over temperature - meeting Class 0.02 strain gauge standards.	Use Scenario: Active anti-aliasing and reconstruction filters in portable data loggers and handheld test equipment. IC Role / Device Role / Timing Role: Quad configuration implements 4-pole Butterworth topology with matched gain stages, shared reference, and low-distortion output drive. Use Value: Unity-gain stability and 3.9 MHz GBW enable precise 100 kHz cutoff with <0.004% THD+N - preserving signal fidelity in metrology-grade measurements.

RTD Temperature Sensing

Optical Network Control

Use Scenario: Precision linearization of Pt100/Pt1000 resistance temperature detectors in industrial process controllers.

IC Role / Device Role / Timing Role: Quad amplifier configures as excitation current source, differential input stage, reference buffer, and output level shifter - all within single 14-lead SOIC.

Use Value: Enables <±0.1°C accuracy over −40°C to +125°C using only one IC, reducing board area and inter-channel mismatch vs. discrete solutions.

Use Scenario: Bias control and monitoring of laser diodes and photodiode receivers in fiber-optic transceivers.

IC Role / Device Role / Timing Role: High-PSRR quad op amp provides stable bias voltage, monitors photocurrent, rejects supply ripple, and buffers reference for DAC-driven control loops.

Use Value: >120 dB PSRR suppresses switching noise from adjacent DC/DC converters, preventing bit errors in 10+ Gbps optical links.

Precision Strain Gauge Bridge

High-Stability Instrumentation Filter

Use Scenario: Low-noise amplification of mV-level Wheatstone bridge outputs in load cells and pressure sensors.

IC Role / Device Role / Timing Role: One channel conditions bridge output; others buffer references, drive excitation, and implement active filtering to reject 50/60 Hz line noise.

Use Value: 6.9 nV/√Hz noise density and 0.75 µV/°C drift ensure <10 ppm measurement uncertainty over temperature - meeting Class 0.02 strain gauge standards.

Use Scenario: Active anti-aliasing and reconstruction filters in portable data loggers and handheld test equipment.

IC Role / Device Role / Timing Role: Quad configuration implements 4-pole Butterworth topology with matched gain stages, shared reference, and low-distortion output drive.

Use Value: Unity-gain stability and 3.9 MHz GBW enable precise 100 kHz cutoff with <0.004% THD+N - preserving signal fidelity in metrology-grade measurements.

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 bandwidth (1.3 MHz), no MSL1 rating; SOIC-14 package	Less suitable for high-temp industrial deployments requiring long-term stability; lacks phase reversal immunity	Select ADA4077-4ARZ-RL when MSL1 reflow, <0.75 µV/°C drift, or guaranteed no-phase-reversal are required
AD8677ARUZ	Single-channel only; identical offset/drift/noise specs but no quad option; TSSOP-8 package	Requires four separate ICs and more PCB area for quad function; lacks integrated channel separation optimization	Select ADA4077-4ARZ-RL when space-constrained designs demand true quad integration with −125 dB channel separation

Compared with OP4177ARZ and AD8677ARUZ, ADA4077-4ARZ-RL uniquely combines quad-channel integration, MSL1 reflow compliance, sub-µV/°C drift, and guaranteed no-phase-reversal - making it the only choice for compact, high-reliability, wide-temperature instrumentation front-ends.

Availability

ADA4077-4ARZ-RL is available at Aetrix Electronics and suitable for RTD temperature sensing, optical network control, and precision strain gauge bridge applications requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for ADA4077-4ARZ-RL 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 lineage, engineered specifically for high-accuracy, low-power, wide-temperature industrial instrumentation and sensor signal conditioning.

FAQ

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

The ADA4077-4ARZ-RL is fully specified over an operating temperature range of −40°C to +125°C, validated across all electrical parameters including offset voltage, drift, CMRR, and output swing. This extended industrial range is confirmed in Rev. F datasheet Tables 2 and 3, and supports deployment in harsh environments such as motor control cabinets, outdoor base stations, and engine compartments where ambient temperatures exceed 100°C.

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

No, the ADA4077-4ARZ-RL is unity-gain stable and does not require external compensation. It maintains phase margin ≥55° at unity gain and drives capacitive loads exceeding 1000 pF without oscillation - a key advantage confirmed in Figure 30 and Figure 33 of the Rev. F datasheet. This simplifies design in ADC driver, filter, and cable-driving applications where stray capacitance is unavoidable.

What package type and footprint does the ADA4077-4ARZ-RL use?

The ADA4077-4ARZ-RL uses a 14-lead narrow-body SOIC (R-14) package with 1.27 mm lead pitch, JEDEC-standard outline, and RoHS-compliant finish. Its footprint matches industry-standard SOIC-14 land patterns (e.g., IPC-7351B SOIC14_390X190N), enabling drop-in replacement in existing designs using quad op amps like OP4177ARZ.

Is the ADA4077-4ARZ-RL compatible with lead-free reflow processes?

Yes, the ADA4077-4ARZ-RL carries an MSL1 rating per IPC/JEDEC J-STD-020, qualified for peak reflow temperatures up to 260°C. This makes it fully compatible with standard lead-free soldering profiles and eliminates moisture sensitivity handling requirements - critical for high-volume manufacturing of industrial and automotive electronics.

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

The ADA4077-4ARZ-RL features internal input clamp diodes to both supply rails and includes guaranteed immunity to phase reversal - even when input voltages exceed the ±15 V supply rails. This behavior is explicitly verified in the "Output Phase Reversal" section (page 22) and Figure 69 of the Rev. F datasheet, protecting downstream circuitry during sensor fault events or ESD transients.

ADA4077-4ARZ-RL 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:: -

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-RL FAQ

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

Please submit a Request for Quotation (RFQ) for ADA4077-4ARZ-RL 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-RL reliable?

The price and inventory of ADA4077-4ARZ-RL 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-RL is usually 5 days.

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

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

Note: Certain payment methods may incur a processing fee.

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

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

Once your ADA4077-4ARZ-RL 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-RL?

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

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

All ADA4077-4ARZ-RL 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-RL meets industry standards.

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

All ADA4077-4ARZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADA4077-4ARZ-RL, 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-RL part is unused and in its original packaging.

Return procedure for ADA4077-4ARZ-RL:

1.Submit a request within 90 days.

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

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