Overview
The ADA4625-2ARDZ, produced by Analog Devices Inc., is a high-performance, low-noise, fast-settling operational amplifier. This device is part of the ADA4625 series, which includes precision junction field effect transistor (JFET) input op-amps. It is designed to provide optimal performance in high voltage, high gain, and low noise applications. The ADA4625-2ARDZ features a wide range of operating voltages, including dual-supply operation from ±2.5 V to ±18 V and single-supply operation from 5 V to 36 V. The rail-to-rail output and high capacitive load drive capability make it suitable for various demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Slew Rate | 48 V/µs (typical, AV = -1) | V/µs |
| Gain Bandwidth Product | 18 MHz (typical, AV = 100) | MHz |
| Unity-Gain Crossover Frequency | 12.4 MHz (typical, AV = 1) | MHz |
| -3 dB Bandwidth | 16 MHz (typical, AV = 1) | MHz |
| Phase Margin | 75 Degrees (ADA4625-2) | Degrees |
| Input Bias Current | ±15 pA (typical at TA = 25°C) | pA |
| Offset Voltage | ±80 µV (maximum at TA = 25°C) | µV |
| Offset Voltage Drift | ±1.2 µV/°C (maximum at TA = -40°C to 85°C) | µV/°C |
| Settling Time | 0.01% in 700 ns (typical) | ns |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package | SOIC-8-EP |
Key Features
- Low input bias current: ±15 pA typical at TA = 25°C
- Low offset voltage: ±80 µV maximum at TA = 25°C
- Fast settling time: 0.01% in 700 ns typical
- Wide range of operating voltages: dual-supply operation from ±2.5 V to ±18 V and single-supply operation from 5 V to 36 V
- Rail-to-rail output and high capacitive load drive capability
- No phase reversal and unity-gain stable
- Low noise: 3.3 nV/Hz typical at 1 kHz
- High slew rate: 48 V/µs typical
Applications
- PLL filter amplifiers
- Transimpedance amplifiers
- Photodiode sensor interfaces
- Low noise charge amplifiers
- Active filter amplifiers
- Voltage controlled oscillators (VCOs) and preamplifiers
Q & A
- What is the typical slew rate of the ADA4625-2ARDZ? The typical slew rate is 48 V/µs for an AV of -1.
- What is the gain bandwidth product of the ADA4625-2ARDZ? The gain bandwidth product is 18 MHz typical for an AV of 100.
- What is the input bias current of the ADA4625-2ARDZ? The input bias current is ±15 pA typical at TA = 25°C.
- What is the offset voltage of the ADA4625-2ARDZ? The offset voltage is ±80 µV maximum at TA = 25°C.
- What is the settling time of the ADA4625-2ARDZ? The settling time is 0.01% in 700 ns typical.
- What are the operating voltage ranges for the ADA4625-2ARDZ? The device operates from ±2.5 V to ±18 V in dual-supply mode and from 5 V to 36 V in single-supply mode.
- Is the ADA4625-2ARDZ unity-gain stable? Yes, the ADA4625-2ARDZ is unity-gain stable.
- What is the package type of the ADA4625-2ARDZ? The package type is SOIC-8-EP.
- What are some common applications of the ADA4625-2ARDZ? Common applications include PLL filter amplifiers, transimpedance amplifiers, photodiode sensor interfaces, and low noise charge amplifiers.
- What is the operating temperature range of the ADA4625-2ARDZ? The operating temperature range is -40°C to 125°C.
