Overview
The AD8625ARZ, produced by Analog Devices Inc., is a precision low-power single-supply JFET input operational amplifier. It is designed for applications requiring high precision, low noise, and low power consumption. The AD8625 features true single-supply operation, rail-to-rail output, and the ability to drive capacitive loads of over 500 pF. This amplifier is well-suited for a variety of applications, including photodiode transimpedance amplification, ATE reference level drivers, battery management, and remote sensor signal conditioning.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage (VOS) | 0.05 to 1.2 mV | mV |
| Input Bias Current (IB) | 0.25 to 60 pA | pA |
| Input Offset Current (IOS) | 0.5 to 25 pA | pA |
| Input Voltage Range | 0 to 3 V | V |
| Common-Mode Rejection Ratio (CMRR) | 66 to 87 dB | dB |
| Large Signal Voltage Gain (AVO) | 100 to 230 V/mV | V/mV |
| Output Voltage High (VOH) | 4.92 V | V |
| Output Voltage Low (VOL) | 0.075 V | V |
| Output Current (IOUT) | ±10 mA | mA |
| Supply Current per Amplifier (ISY) | 630 to 800 µA | µA |
| Slew Rate (SR) | 5 V/µs | V/µs |
| Gain Bandwidth Product (GBP) | 5 MHz | MHz |
| Voltage Noise Density (en) | 17.5 nV/√Hz | nV/√Hz |
| Current Noise Density (in) | 0.4 fA/√Hz | fA/√Hz |
| Supply Voltage Range | 5 V to 26 V, ±2.5 V to ±13 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- Ultra-low distortion and noise
- Fast overdrive recovery
- Low input bias current (less than 1 pA)
- High common-mode rejection ratio (up to 87 dB)
- Rail-to-rail input and output swing
- Low power consumption (less than 630 µA per amplifier)
- Wide bandwidth operation (5 MHz gain bandwidth product)
- Stable with capacitive loads of over 500 pF
Applications
- Photodiode transimpedance amplification
- ATE reference level drivers
- Battery management
- Line-powered and portable instrumentation
- Remote sensor signal conditioning, including automotive sensors
- Industrial measurement
- Medical instrumentation
- Automotive electronics
Q & A
- What is the input offset voltage of the AD8625ARZ?
The input offset voltage (VOS) of the AD8625ARZ ranges from 0.05 mV to 1.2 mV.
- What is the input bias current of the AD8625ARZ?
The input bias current (IB) is less than 1 pA.
- What is the common-mode rejection ratio (CMRR) of the AD8625ARZ?
The CMRR is up to 87 dB).
- What is the slew rate of the AD8625ARZ?
The slew rate (SR) is 5 V/µs).
- What is the gain bandwidth product (GBP) of the AD8625ARZ?
The GBP is 5 MHz).
- What is the supply current per amplifier for the AD8625ARZ?
The supply current per amplifier (ISY) is less than 800 µA).
- What are the typical applications of the AD8625ARZ?
Typical applications include photodiode transimpedance amplification, ATE reference level drivers, battery management, and remote sensor signal conditioning, among others).
- What is the operating temperature range of the AD8625ARZ?
The operating temperature range is -40°C to +85°C).
- Does the AD8625ARZ support rail-to-rail input and output swing?
Yes, the AD8625ARZ supports rail-to-rail input and output swing).
- What is the maximum output current per channel of the AD8625ARZ?
The maximum output current per channel is ±10 mA).
