Overview
The AD8602WARZ-RL is a dual, rail-to-rail, input and output, single-supply operational amplifier produced by Analog Devices Inc. This precision CMOS amplifier is known for its very low offset voltage and wide signal bandwidth, making it suitable for a variety of applications. The AD8602 uses a patented trimming technique to achieve superior performance without the need for laser trimming. It is fully specified to operate on a single supply ranging from 2.7 V to 5.5 V, making it versatile for different power requirements.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Offset Voltage (VOS) | 500 µV (max) | VCM = 0 V to 3 V |
| Supply Voltage Range | 2.7 V to 5.5 V | |
| Supply Current per Amplifier (ISY) | 750 µA (typ), 1500 µA (max) | VO = 0 V, -40°C ≤ TA ≤ +125°C |
| Bandwidth | 8 MHz | RL = 2 kΩ |
| Slew Rate (SR) | 5 V/µs | RL = 2 kΩ |
| Input Bias Current (IB) | 0.2 pA (typ), 200 pA (max) | -40°C ≤ TA ≤ +85°C |
| Common-Mode Rejection Ratio (CMRR) | 68 dB (min) to 83 dB (max) | VCM = 0 V to 3 V |
| Output Voltage High (VOH) | 2.92 V (min) to 2.95 V (max) | IL = 1.0 mA, -40°C ≤ TA ≤ +125°C |
| Output Voltage Low (VOL) | 20 mV (max) to 35 mV (max) | IL = 1.0 mA, -40°C ≤ TA ≤ +125°C |
| Output Current (IOUT) | ±30 mA |
Key Features
- Low Offset Voltage: Maximum of 500 µV, ensuring high accuracy in signal amplification.
- Single-Supply Operation: Compatible with supply voltages ranging from 2.7 V to 5.5 V.
- Low Supply Current: Typical current consumption of 750 µA per amplifier, making it power-efficient.
- Wide Bandwidth: 8 MHz bandwidth for handling high-frequency signals.
- High Slew Rate: 5 V/µs slew rate for fast signal response.
- No Phase Reversal: Ensures stable operation without phase reversal.
- Low Distortion: Minimal distortion in the output signal.
- Unity-Gain Stable: Stable operation in unity-gain configurations.
Applications
- Current Sensing: Ideal for current sensing applications due to its low offset voltage and high accuracy.
- Barcode Scanners: Used in barcode scanners for precise signal amplification.
- PA Controls: Suitable for power amplifier controls requiring low distortion and high bandwidth.
- Battery-Powered Instrumentation: Efficient for battery-powered devices due to its low supply current.
- Multipole Filters: Used in filter circuits to maintain signal integrity.
- Sensors and ASIC Input/Output Amplifiers: Applicable in sensor and ASIC applications requiring precise signal handling.
- Audio Applications: Suitable for audio circuits where low distortion and high bandwidth are crucial.
Q & A
- What is the typical supply current per amplifier for the AD8602WARZ-RL?
The typical supply current per amplifier is 750 µA.
- What is the maximum offset voltage for the AD8602WARZ-RL?
The maximum offset voltage is 500 µV.
- What is the bandwidth of the AD8602WARZ-RL?
The bandwidth is 8 MHz.
- Is the AD8602WARZ-RL unity-gain stable?
Yes, it is unity-gain stable.
- What is the slew rate of the AD8602WARZ-RL?
The slew rate is 5 V/µs.
- What are the typical applications of the AD8602WARZ-RL?
It is used in current sensing, barcode scanners, PA controls, battery-powered instrumentation, multipole filters, sensors, ASIC input/output amplifiers, and audio applications.
- What is the operating temperature range for the AD8602WARZ-RL?
The operating temperature range is -40°C to +125°C.
- What is the common-mode rejection ratio (CMRR) of the AD8602WARZ-RL?
The CMRR ranges from 68 dB to 83 dB.
- What is the output current capability of the AD8602WARZ-RL?
The output current capability is ±30 mA.
- Is the AD8602WARZ-RL qualified for automotive applications?
Yes, it is qualified for automotive applications.
