Overview
The AD8603AUJZ-REEL, produced by Analog Devices Inc., is a single, micro-power, rail-to-rail input and output operational amplifier. This device is part of the AD8603/AD8607/AD8609 family, known for their low offset voltage, low input bias current, and low noise characteristics. The AD8603 is particularly suited for battery-powered instrumentation, multipole filters, sensors, and low-power ASIC input or output amplifiers due to its micropower consumption and high precision.
Key Specifications
| Parameter | Typical Value | Maximum Value | Conditions |
|---|---|---|---|
| Input Offset Voltage (Vos) | 50 µV | 300 µV | - |
| Input Bias Current (IB) | 0.2 pA | 1 pA | -40°C < TA < +85°C |
| Supply Voltage | 1.8 V to 5 V | ±0.9 V to ±2.5 V (dual supply) | - |
| Noise Voltage | 22 nV/√Hz | - | - |
| Quiescent Current | 40 µA | 50 µA | - |
| Common-Mode Rejection Ratio (CMRR) | 85 dB | 100 dB | 0 V < VCM < 5 V |
| Large Signal Voltage Gain (AVO) | 400 V/mV | 1000 V/mV | RL = 10 kΩ, 0.5 V < VO < 4.5 V |
| Output Voltage High (VOH) | 4.95 V | 4.97 V | IL = 1 mA |
| Output Voltage Low (VOL) | 16 mV | 30 mV | IL = 1 mA |
| Operating Temperature | -40°C to +125°C | - | - |
| Package | TSOT-23-5 | - | - |
Key Features
- Low Offset Voltage: Maximum of 50 µV, ensuring high precision in applications.
- Low Input Bias Current: Maximum of 1 pA, reducing errors in high-impedance circuits.
- Single-Supply Operation: Operates from 1.8 V to 5 V or dual supply from ±0.9 V to ±2.5 V.
- Low Noise: 22 nV/√Hz, suitable for noise-sensitive applications.
- Micropower Consumption: Quiescent current of 50 µA, ideal for battery-powered devices.
- Rail-to-Rail Input and Output: Enables buffering of CMOS ADCs, DACs, ASICs, and other wide output swing devices.
- No Phase Reversal: Ensures stable operation without phase reversal.
- Unity Gain Stable: Stable operation at unity gain.
Applications
- Battery-Powered Instrumentation: Ideal for portable and low-power instrumentation.
- Multipole Filters: Suitable for filter applications due to its low noise and high precision.
- Sensors: Used in sensor circuits requiring low noise and high accuracy.
- Low Power ASIC Input or Output Amplifiers: Excellent choice for low-power ASIC applications.
- Photodiodes: Used in photodiode circuits due to its low noise and high sensitivity.
Q & A
- What is the input offset voltage of the AD8603?
The input offset voltage of the AD8603 is a maximum of 50 µV.
- What is the typical quiescent current of the AD8603?
The typical quiescent current of the AD8603 is 40 µA.
- What is the operating supply voltage range for the AD8603?
The AD8603 operates from a single supply of 1.8 V to 5 V or a dual supply of ±0.9 V to ±2.5 V.
- What is the common-mode rejection ratio (CMRR) of the AD8603?
The CMRR of the AD8603 is typically 85 dB and can be up to 100 dB.
- Is the AD8603 unity gain stable?
Yes, the AD8603 is unity gain stable.
- What is the maximum operating temperature of the AD8603?
The maximum operating temperature of the AD8603 is +125°C.
- What package type is the AD8603 available in?
The AD8603 is available in a TSOT-23-5 package.
- What are some typical applications of the AD8603?
The AD8603 is typically used in battery-powered instrumentation, multipole filters, sensors, and low-power ASIC input or output amplifiers.
- Does the AD8603 have rail-to-rail input and output capabilities?
Yes, the AD8603 has rail-to-rail input and output capabilities.
- What is the slew rate of the AD8603?
The slew rate of the AD8603 is 0.1 V/µs.
