Overview
The ADHV4702-1BCPZ-R7 is a high-voltage, precision operational amplifier produced by Analog Devices Inc. This device is designed for precision-demanding applications and offers a wide range of operating voltages. It is unity-gain stable and features high input impedance, low input bias current, low input offset voltage, low drift, and low noise. The ADHV4702-1 operates from symmetrical dual supplies of ±12 V to ±110 V, asymmetrical dual supplies up to 220 V, or a single supply up to 175 V, making it versatile for various high-voltage applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 24 | - | 220 | V |
| Input Offset Voltage Drift | - | 2 | - | µV/°C |
| Input Voltage Noise | - | 8 | - | nV/√Hz |
| Open-Loop Gain (AOL) | - | 170 | - | dB |
| Common-Mode Rejection Ratio (CMRR) | - | 160 | - | dB |
| Small Signal Bandwidth | - | 10 | - | MHz |
| Slew Rate | - | 74 | - | V/µs |
| Output Current | - | 20 | - | mA |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | 12-lead LFCSP with EPAD | - | - |
Key Features
- Wide range of operating voltages: ±12 V to ±110 V, asymmetrical supplies up to 220 V, or a single supply up to 175 V.
- High input impedance with low input bias current.
- Low input offset voltage, low drift, and low noise.
- High voltage input common-mode swing and high voltage output swing.
- Unity-gain stable with 170 dB typical open-loop gain (AOL) and 160 dB typical common-mode rejection ratio (CMRR).
- Excellent dynamic performance with a small signal bandwidth of 10 MHz and a slew rate of 74 V/µs.
- Output current of 20 mA typical.
- Available in a 12-lead, 7 mm × 7 mm lead frame chip scale package (LFCSP) with an exposed pad (EPAD) for improved heat dissipation.
- Compliant to IEC 61010-1 creepage and clearance standards.
Applications
- 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.
- Precision bias and control applications.
- High-side current sensing.
Q & A
- What is the operating voltage range of the ADHV4702-1?
The ADHV4702-1 operates from ±12 V to ±110 V, asymmetrical supplies up to 220 V, or a single supply up to 175 V.
- What are the key features of the ADHV4702-1 in terms of input characteristics?
The ADHV4702-1 features high input impedance, low input bias current, low input offset voltage, low drift, and low noise.
- What is the typical open-loop gain and common-mode rejection ratio of the ADHV4702-1?
The ADHV4702-1 has a 170 dB typical open-loop gain (AOL) and a 160 dB typical common-mode rejection ratio (CMRR).
- What is the small signal bandwidth and slew rate of the ADHV4702-1?
The ADHV4702-1 has a small signal bandwidth of 10 MHz and a slew rate of 74 V/µs.
- What is the output current capability of the ADHV4702-1?
The ADHV4702-1 has an output current of 20 mA typical.
- In what package is the ADHV4702-1 available?
The ADHV4702-1 is available in a 12-lead, 7 mm × 7 mm lead frame chip scale package (LFCSP) with an exposed pad (EPAD).
- What are some of the typical applications of the ADHV4702-1?
Typical applications include automated test equipment, high voltage drivers, piezotransducers, DAC output buffers, LiDAR, APD, SPAD biasing, and precision bias and control applications.
- What is the operating temperature range of the ADHV4702-1?
The ADHV4702-1 operates over the −40°C to +85°C industrial temperature range.
- How does the ADHV4702-1 manage heat dissipation?
The ADHV4702-1 features a copper EPAD that provides a low thermal resistance path to improve heat dissipation.
- Is the ADHV4702-1 compliant with any specific safety standards?
Yes, the ADHV4702-1 is compliant to IEC 61010-1 creepage and clearance standards.
