ADHV4702-1

RECOMMENDED FOR NEW DESIGNS

ADHV4702-1

24 V to 220 V Precision Operational Amplifier

RECOMMENDED FOR NEW DESIGNS

RECOMMENDED FOR NEW DESIGNS

ADHV4702-1 Functional Block Diagram slide

ADHV4702-1 Pin Configuration slide

ADHV4702-1 Application Circuit slide

ADHV4702-1 Functional Block Diagram

ADHV4702-1 Pin Configuration

ADHV4702-1 Application Circuit

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Features

Wide range of operating voltages
- Dual-supply: ±12 V to ±110 V
- Asymmetrical supply operation: 24 V to 220 V, V_CC ≤ 175 V
Wide input common-mode voltage range: 3 V from rails
High common-mode rejection ratio: 160 dB typical
High A_OL: 170 dB typical
High slew rate
- 74 V/μs typical
- 24 V/μs typical with external input clamping diodes
Low input bias current: 2 pA maximum

Low input offset voltage: 1 mV maximum
Low input offset voltage drift: 2 μV/°C maximum
Low input voltage noise: 8 nV/√Hz typical at 10 kHz
Wide small signal bandwidth: 10 MHz typical
Resistor adjustable quiescent current: 0.6 mA to 3 mA (V_S = ±110 V)
Unity-gain stable
Thermal monitoring
Small footprint: 12-lead, 7 mm × 7 mm LFCSP compliant with IEC 61010-1 spacing
Shutdown mode

Additional Details

The ADHV4702-1 is a high voltage (220 V), unity-gain stable precision operational amplifier. The ADHV4702-1 offers high input impedance with low input bias current, low input offset voltage, low drift, and low noise for precision demanding applications. The next generation of proprietary semiconductor processes and innovative architecture from Analog Devices, Inc., enable this precision operational amplifier to operate from symmetrical dual supplies of ±110 V, asymmetrical dual supplies up to 220 V span, or a single supply up to 175 V.

For precision performance, the ADHV4702-1 has a 170 dB typical open-loop gain (A_OL) and a 160 dB typical common-mode rejection ratio (CMRR). The ADHV4702-1 also has a 2 μV/°C maximum input offset voltage (V_OS) drift and an 8 nV/√Hz input voltage noise.

The exceptional dc precision of the ADHV4702-1 is complemented by excellent dynamic performance with a small signal bandwidth of 10 MHz and a slew rate of 74 V/μs. The ADHV4702-1 has an output current of 20 mA typical.

The ADHV4702-1 offers high voltage input common-mode swing as well as high voltage output swing, enabling precision high voltage use cases such as high-side current sensing.

The ADHV4702-1 is available in a 12-lead, 7 mm × 7 mm lead frame chip scale package (LFCSP) with an exposed pad (EPAD) compliant to international electrotechnical commission (IEC) 61010-1 creepage and clearance standards. The copper EPAD provides a low thermal resistance path to improve heat dissipation and features high voltage isolation, allowing it to be safely connected to a 0 V ground plane regardless of V_CC or V_EE voltages. The ADHV4702-1 operates over the −40°C to +85°C industrial temperature range.

Applications

High-side current sensing
Automated test equipment
High voltage drivers
Piezotransducers
Digital-to-analog converter (DAC) output buffers
Light detecting and ranging (LiDAR), avalanche photodiode (APD), single photon avalanche diode (SPAD) biasing

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Technical Documents 5

ADHV4702-1: 24 V to 220 V Precision Operational Amplifier Data Sheet (Rev.D) 05/09/2024

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UG-1444: Evaluating the ADHV4702-1 24 V to 220 V, Precision Operational Amplifier (Rev.A) 03/14/2023

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AN-1593: Extending Op Amp Operating Range via Bootstrapping (Rev.0) 12/10/2018

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ADHV4702-1 24 V to 220 V Precision Operational Amplifier 11/01/2019

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ADHV4702-1 Frequently Asked Questions (FAQs) 11/08/2018

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Reference Materials 3

The Inside Track: Solutions for Automotive Testing 08/18/2023

The Inside Track: Solutions for Automotive Testing 08/18/2023

Video

1

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Video

2018-11-30

02:32

ADHV4702-1: Industry's First 220V Precision Operational Amplifier

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Design Resources 2

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADHV4702-1BCPZ	12-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
ADHV4702-1BCPZ-R7	12-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys

ADHV4702-1BCPZ
Pin/Package Drawing
12-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP)
Documentation

HTML Material Declaration

external-link

HTML Reliablity Data

external-link

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

ADHV4702-1BCPZ-R7
Pin/Package Drawing
12-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP)
Documentation

HTML Material Declaration

external-link

HTML Reliablity Data

external-link

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

PCN/PDN Information

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Product Lifecycle

PCN

Apr 22, 2024

- 24_0044

ADVH4702-1 Datasheet Revision

ADHV4702-1BCPZ

PRODUCTION

ADHV4702-1BCPZ-R7

PRODUCTION

pdf

PCN24_0044_Form

xls

Material_Report

Filter by Model

Part Models

Product Lifecycle

PCN

Apr 22, 2024

- 24_0044

ADVH4702-1 Datasheet Revision

ADHV4702-1BCPZ

PRODUCTION

ADHV4702-1BCPZ-R7

PRODUCTION

pdf

PCN24_0044_Form

xls

Material_Report

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EVAL-ADHV4702-1

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

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ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

ADHV4702-1 Evaluation Board

EVAL-ADHV4702-1

ADHV4702-1 Evaluation Board

Features and Benefits

Full featured evaluation board for the ADHV4702-1
Single-supply or dual-supply operation
On-board power management circuit generates high voltage
Edge mounted SMA and SMB connector provisions
Easy connection to test equipment and other circuits
Robust thermal management

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Product Detail

This user guide describes the EVAL-ADHV4702-1CPZ board, which helps users evaluate the ADHV4702-1 offered in a 7 mm × 7 mm, 12-lead lead frame chip scale package (LFCSP) with an exposed pad at the bottom. The evaluation board provides a platform for quick and easy evaluation of the ADHV4702-1. Figure 1 in the user guide shows the top side of the evaluation board. Figure 2 shows the bottom side of the board with the large exposed copper area for attaching a heat sink to provide additional thermal management.

The evaluation board is a 6-layer board designed to minimize leakage currents with its guard ring feature. It accepts Subminiature Version A (SMA) and Subminiature Version B (SMB) edge mounted connectors on the inputs for easy connection to test equipment or other circuitry.

Full specifications of the ADHV4702-1 and details of the device operation and application circuit configurations and guidance can be found in the ADHV4702-1 data sheet, available from Analog Devices, Inc., and must be consulted in conjunction with the user guide, especially when powering up the evaluation board for the first time.

For safety, the EVAL-ADHV4702-1CPZ board is covered top and bottom with acrylic plastic guards to reduce the risk of inadvertent contact with high voltage. Do not operate the board without these guards in place. If the guards must be removed to adjust jumpers or change component values, disconnect the board from the power supply before removing guards, and replace the guards before powering up again.

Warning: this high voltage evaluation board contains exposed metal carrying lethal voltages when under power. Take all necessary steps to protect users during operation. For full precautions when using this high voltage evaluation board, see the High Voltage Evaluation Board section of the user guide.

Resources

PDF

UG-1444: Evaluating the ADHV4702-1 24 V to 220 V, Precision Operational Amplifier (Rev.A)

785.69 K

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evaluation kit item images

EVAL-ADHV4702-1

ADHV4702-1 Evaluation Board

LTspice 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

Lt Spice

ADHV4702-1 - Operational Amplifiers (Op Amps)

Analog Photodiode Wizard

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

Signal Chain Designer - BETA

Signal Chain Designer - BETA

Signal Chain Designer is a web-based tool designed to create and simulate complex precision signal chains. See your circuit’s performance before you commit to your PCB: transfer function, noise, power consumption, input range, and DC error. Quickly experiment with different parts and architectures. Signal chains can be exported to LTspice for further analysis.

Analog Filter Wizard

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

SPICE Model 1

Simulation Model

SPICE Model

ADHV4702-1 SPICE Macro Model

5.41 KB

Figure 1. Circuit Diagram.

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Figure 1. Circuit Diagram.

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Precision High Voltage Bipolar Analog Output Module

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Figure 1. Circuit Diagram.

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Figure 1. Circuit Diagram.

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Figure 1. Circuit Diagram.

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