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

Analog Devices Inc. ADA4062-4ARUZ-RL

Name: ADA4062-4ARUZ-RL
Brand: Analog Devices Inc.
SKU: ADA4062-4ARUZ-RL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ADA4062-4ARUZ-RL

Manufacturer:: Analog Devices Inc.

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-TSSOP (0.173", 4.40mm Width)

Datasheet:: ADA4062-4ARUZ-RL.pdf

Description:: IC OPAMP JFET 4 CIRCUIT 14TSSOP

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Product details

Overview

ADA4062-4ARUZ-RL from Analog Devices is a quad JFET-input operational amplifier optimized for low-power, high-precision signal conditioning in industrial and instrumentation systems. It delivers 50 pA maximum input bias current, 1.4 MHz gain bandwidth, ±15 V dual-supply operation, and −40°C to +125°C extended temperature range - enabling use in body probe electronics and active filters where ultralow input current and rail-to-rail output swing are critical.

For engineers reviewing the ADA4062-4ARUZ-RL datasheet, ADA4062-4ARUZ-RL pinout, ADA4062-4ARUZ-RL application, or ADA4062-4ARUZ-RL equivalent, key selection criteria include input bias current stability over temperature, CMRR performance above 1 kHz, channel separation at 1 kHz (130 dB), supply current per amplifier (165 μA typical), and compatibility with ±5 V to ±15 V supplies in space-constrained TSSOP layouts.

Technical Context

The ADA4062-4ARUZ-RL employs JFET input stage architecture delivering 10 TΩ input resistance and 5 fA/√Hz current noise density at 1 kHz. Its unity-gain stable design supports direct use in voltage followers and integrators without external compensation.

It features rail-to-rail output swing within 1.5 V of each supply rail (V+ – VOH = 1.5 V, VOL – V− = 1.3 V @ ±15 V), 78° phase margin, and 3.3 V/μs slew rate - ensuring stable settling in precision data acquisition front-ends with capacitive loads up to 100 pF.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Bias Current	2 pA typical; enables use with >1 MΩ source impedances without significant DC error in sensor interfaces.
Gain Bandwidth Product	1.4 MHz; supports stable closed-loop operation at gains ≥10 up to ~140 kHz in active filter designs.
Supply Current per Amplifier	165 μA typical; allows four-channel buffering in battery-powered instrumentation with <660 μA total quiescent draw.
Input Offset Voltage Drift	5 μV/°C typical; ensures <0.6 mV total offset shift across −40°C to +125°C, critical for uncalibrated industrial sensors.
Channel Separation	130 dB at 1 kHz; minimizes crosstalk between adjacent amplifiers in multichannel data acquisition systems.
Common-Mode Rejection Ratio	90 dB typical; maintains accuracy when amplifying small differential signals riding on large common-mode voltages (e.g., motor current sensing).
Output Voltage Swing	±13.5 V minimum @ ±15 V supply; delivers full dynamic range into 10 kΩ loads without clipping in analog front-end stages.

Pinout & Package

ADA4062-4ARUZ-RL is housed in a 14-lead TSSOP package (RU-14) with exposed pad recommended to be connected to V−. Pin 1 is marked by a dot or notch; the exposed thermal pad improves power dissipation and reduces junction temperature rise during continuous operation.

Pin/Terminal	Circuit Role	Design Meaning
1	−IN A	Inverting input of Amplifier A; high-impedance JFET node sensitive to PCB leakage paths.
2	+IN A	Non-inverting input of Amplifier A; referenced to system ground or common-mode bias network.
3	V+	Positive supply rail connection; decoupling capacitor required within 1 cm for stability.
4	OUT B	Output of Amplifier B; capable of sourcing/sinking 20 mA short-circuit current.
5	−IN B	Inverting input of Amplifier B; electrically isolated from other inputs to preserve channel separation.
6	+IN B	Non-inverting input of Amplifier B; matched to +IN A for common-mode rejection in dual-channel configurations.
7	OUT A	Output of Amplifier A; drives low-impedance loads directly without external buffer.
8	V−	Negative supply rail; exposed pad must be soldered to PCB V− plane for thermal and electrical integrity.
9	OUT C	Output of Amplifier C; shares same supply rails and thermal environment as OUT A/B/D.
10	−IN C	Inverting input of Amplifier C; layout symmetry with other −IN pins reduces layout-induced mismatch.
11	+IN C	Non-inverting input of Amplifier C; internal matching to other +IN terminals supports multichannel CMRR.
12	OUT D	Output of Amplifier D; fully independent output stage with no shared internal nodes.
13	−IN D	Inverting input of Amplifier D; isolated routing prevents coupling from high-slew-rate outputs.
14	+IN D	Non-inverting input of Amplifier D; designed for identical DC and AC performance as other +IN terminals.

Key Features

Feature	Design Value
Ultralow input bias current	2 pA typical enables direct interfacing with piezoelectric sensors and high-value RC networks without signal degradation.
Extended temperature operation	Specified from −40°C to +125°C supports deployment in automotive engine control units and industrial PLC modules.
Rail-to-rail output capability	Swings within 1.5 V of both supply rails at ±15 V, maximizing dynamic range in single-supply derived bipolar systems.
No phase reversal under overvoltage	Operates safely with inputs up to V+ and down to V− + 0.5 V, eliminating need for external clamping in high-side sensing.
High input impedance	10 TΩ typical input resistance prevents loading of high-Z sources such as pH electrodes and thermopiles.

Applications

Body Probe Electronics	Active Filters
Use Scenario: Amplifying microvolt-level bioelectric signals (e.g., ECG, EEG) from dry or gel-based electrodes with minimal DC drift. IC Role / Device Role / Timing Role: Front-end instrumentation amplifier input stage providing ultralow bias current and high CMRR to reject 50/60 Hz interference. Use Value: 2 pA typical input bias current avoids electrode polarization errors; 130 dB channel separation prevents cross-talk between multi-lead recordings.	Use Scenario: Implementing 2nd-order Sallen-Key or state-variable filters for anti-aliasing or tone generation in portable test equipment. IC Role / Device Role / Timing Role: Gain block and integrator core with unity-gain stability and 1.4 MHz GBW enabling precise cutoff frequency control. Use Value: 3.3 V/μs slew rate supports clean step response; 5 μV/°C offset drift ensures filter center frequency stability across operating temperature.
Industrial Process Controls	Data Acquisition Front-Ends
Use Scenario: Conditioning 4–20 mA loop signals and thermocouple outputs in distributed I/O modules deployed in harsh factory environments. IC Role / Device Role / Timing Role: Input buffer and level-shifter converting sensor outputs to ADC-compatible ranges while rejecting common-mode noise. Use Value: 90 dB CMRR suppresses noise from variable-frequency drives; −40°C to +125°C rating ensures reliability in uncooled enclosures.	Use Scenario: Multiplexed analog input conditioning for 16-bit SAR ADCs in modular data loggers requiring simultaneous sampling across 4 channels. IC Role / Device Role / Timing Role: Quad-channel unity-gain follower driving ADC sample-and-hold inputs with minimal settling time and charge kickback. Use Value: 3.5 μs settling to 0.1% enables 285 kSPS effective throughput; 165 μA per amplifier limits total power to <1 mW at ±15 V.

Body Probe Electronics

Active Filters

Use Scenario: Amplifying microvolt-level bioelectric signals (e.g., ECG, EEG) from dry or gel-based electrodes with minimal DC drift.

IC Role / Device Role / Timing Role: Front-end instrumentation amplifier input stage providing ultralow bias current and high CMRR to reject 50/60 Hz interference.

Use Value: 2 pA typical input bias current avoids electrode polarization errors; 130 dB channel separation prevents cross-talk between multi-lead recordings.

Use Scenario: Implementing 2nd-order Sallen-Key or state-variable filters for anti-aliasing or tone generation in portable test equipment.

IC Role / Device Role / Timing Role: Gain block and integrator core with unity-gain stability and 1.4 MHz GBW enabling precise cutoff frequency control.

Use Value: 3.3 V/μs slew rate supports clean step response; 5 μV/°C offset drift ensures filter center frequency stability across operating temperature.

Industrial Process Controls

Data Acquisition Front-Ends

Use Scenario: Conditioning 4–20 mA loop signals and thermocouple outputs in distributed I/O modules deployed in harsh factory environments.

IC Role / Device Role / Timing Role: Input buffer and level-shifter converting sensor outputs to ADC-compatible ranges while rejecting common-mode noise.

Use Value: 90 dB CMRR suppresses noise from variable-frequency drives; −40°C to +125°C rating ensures reliability in uncooled enclosures.

Use Scenario: Multiplexed analog input conditioning for 16-bit SAR ADCs in modular data loggers requiring simultaneous sampling across 4 channels.

IC Role / Device Role / Timing Role: Quad-channel unity-gain follower driving ADC sample-and-hold inputs with minimal settling time and charge kickback.

Use Value: 3.5 μs settling to 0.1% enables 285 kSPS effective throughput; 165 μA per amplifier limits total power to <1 mW at ±15 V.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad JFET-input op amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD8643ARUZ	CMOS input (not JFET); 1 pA bias current but lower 1.8 MHz GBW and 2.5 V/μs slew rate.	Better for ultra-low-power battery systems; less suitable for high-slew-rate active filtering or high-source-impedance sensor buffering.	Select AD8643ARUZ only if sub-1 pA bias current is mandatory and bandwidth requirements are ≤1 MHz.
TL074CDR	JFET input but higher 200 pA bias current, 3 MHz GBW, and −25°C to +85°C temperature range.	Cost-sensitive general-purpose designs where extended temperature and ultralow bias are not required.	Choose TL074CDR for commercial-grade applications with relaxed drift and bias specs; avoid in medical or automotive contexts.

Compared with AD8643ARUZ and TL074CDR, ADA4062-4ARUZ-RL uniquely balances ultralow bias current (2 pA), extended temperature range (−40°C to +125°C), and sufficient bandwidth (1.4 MHz) for precision instrumentation - making it the only option qualified for medical-grade body probe electronics and industrial process controllers requiring long-term calibration stability.

Availability

ADA4062-4ARUZ-RL is available at Aetrix Electronics and suitable for industrial process controls, body probe electronics, and active filters requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ADA4062-4ARUZ-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, headquartered in Norwood, MA.

The ADA4062 family targets precision, low-power signal conditioning in instrumentation, medical, and industrial systems - emphasizing ultralow input bias current, wide supply range, and robust operation across extreme temperatures.

FAQ

What is the maximum input common-mode voltage range for ADA4062-4ARUZ-RL?

The ADA4062-4ARUZ-RL supports an input common-mode voltage range from −11.5 V to +15 V when operated at ±15 V supplies. This allows high-side sensing up to the positive rail and eliminates phase reversal up to V+ - a key advantage over many JFET op amps that invert output when inputs exceed V+ − 0.5 V. The specification is verified across −40°C to +125°C.

Does ADA4062-4ARUZ-RL require external compensation for unity-gain stability?

No, ADA4062-4ARUZ-RL is internally compensated for unity-gain stability. Its 78° phase margin and 1.4 MHz gain bandwidth ensure stable operation in voltage-follower, inverting, and non-inverting configurations without added capacitors or resistors. This simplifies layout in compact TSSOP-based designs where board space is constrained.

What is the thermal resistance (θJA) of the ADA4062-4ARUZ-RL package?

The ADA4062-4ARUZ-RL uses a 14-lead TSSOP (RU-14) package with θJA = 112°C/W, measured on a standard 4-layer JEDEC board. This value assumes proper thermal via placement under the exposed pad, which must be connected to the V− plane to achieve rated performance and prevent junction temperature exceedance at full load.

Can ADA4062-4ARUZ-RL operate from a single +5 V supply?

Yes, ADA4062-4ARUZ-RL supports single-supply operation from +5 V (with ground as V−), though its input common-mode range then becomes 0 V to +3.5 V and output swing is limited to ~0.5 V to ~4.5 V. For optimal performance, Analog Devices specifies operation from ±5 V to ±15 V dual supplies - the device is not characterized for rail-to-rail input with single +5 V.

How does the channel separation of ADA4062-4ARUZ-RL compare to the dual version ADA4062-2?

ADA4062-4ARUZ-RL provides 130 dB channel separation at 1 kHz, slightly lower than the 135 dB specified for ADA4062-2 in the same condition. This reflects physical layout constraints in the quad configuration but remains sufficient to prevent measurable crosstalk in 16-bit data acquisition systems with proper PCB partitioning and grounding.

ADA4062-4ARUZ-RL Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 14-TSSOP (0.173", 4.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: J-FET

Number of Circuits:: 4

Output Type:: -

Slew Rate:: 3.3V/µs

Gain Bandwidth Product:: 1.4 MHz

-3db Bandwidth:: -

Current - Input Bias:: 2 pA

Voltage - Input Offset:: 750 µV

Current - Supply:: 165µA (x4 Channels)

Current - Output / Channel:: 20 mA

Voltage - Supply Span (Min):: 10 V

Voltage - Supply Span (Max):: 30 V

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-TSSOP

ADA4062-4ARUZ-RL FAQ

1.How can I place an order for ADA4062-4ARUZ-RL through Aetrix?

Please submit a Request for Quotation (RFQ) for ADA4062-4ARUZ-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 ADA4062-4ARUZ-RL reliable?

The price and inventory of ADA4062-4ARUZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4062-4ARUZ-RL is usually 5 days.

3.What payment methods are accepted for ADA4062-4ARUZ-RL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4062-4ARUZ-RL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADA4062-4ARUZ-RL?

ADA4062-4ARUZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADA4062-4ARUZ-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 ADA4062-4ARUZ-RL?

For technical support, including ADA4062-4ARUZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4062-4ARUZ-RL requirements.

6.How does Aetrix verify that ADA4062-4ARUZ-RL is sourced from the original manufacturer or authorized distributors?

All ADA4062-4ARUZ-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 ADA4062-4ARUZ-RL meets industry standards.

7.What is the process for return or replacement of ADA4062-4ARUZ-RL?

All ADA4062-4ARUZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with ADA4062-4ARUZ-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 ADA4062-4ARUZ-RL part is unused and in its original packaging.

Return procedure for ADA4062-4ARUZ-RL:

1.Submit a request within 90 days.

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

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