Overview
The AD8274ARZ-RL is a precision difference amplifier produced by Analog Devices Inc. It is designed to deliver excellent AC and DC performance, making it suitable for a wide range of high-performance applications. Built on Analog Devices' proprietary iPolar® process and utilizing laser-trimmed resistors, the AD8274 achieves low distortion, high gain accuracy, and excellent common-mode rejection ratio (CMRR).
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Bandwidth | VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 2 kΩ | 20 | - | 10 MHz | MHz |
| Slew Rate | VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 2 kΩ | 20 | - | 20 V/μs | V/μs |
| Settling Time to 0.1% | 10 V step on output, CL = 100 pF | 650 | 750 | 675 | ns |
| Input Offset Voltage | - | - | - | 300 µV | µV |
| CMRR | - | - | - | 83 dB | dB |
| Supply Voltage | - | ±2.5 V | - | ±18 V | V |
| Supply Current | - | - | - | 2.6 mA | mA |
| Operating Temperature | - | -40°C | - | +85°C | °C |
| Package | - | - | - | 8-SOIC | - |
Key Features
- Very low distortion: 0.00025% THD + N at 20 kHz and 0.0015% THD + N at 100 kHz.
- Excellent gain accuracy: 0.03% maximum gain error and 2 ppm/°C maximum gain drift.
- High CMRR: Minimum of 83 dB.
- Low input offset voltage: Maximum of 300 µV.
- High slew rate: Minimum of 20 V/μs.
- Fast settling time: 650 ns to 0.1% settling time for a 10 V step on the output.
- Wide supply voltage range: ±2.5 V to ±18 V).
- Low power consumption: Maximum supply current of 2.6 mA).
- RoHS compliant and available in 8-SOIC and MSOP packages).
Applications
- ADC driver: Excellent for driving analog-to-digital converters due to its high accuracy and low distortion.
- High-performance audio: Suitable for audio applications requiring low distortion and high gain stability.
- Instrumentation amplifier building blocks: Can be used to build high-performance instrumentation amplifiers).
- Level translators: Can translate high voltage signals to levels acceptable by ADCs or other devices).
- Automatic test equipment: Used in test and measurement equipment for its precision and reliability).
- Sine/cosine encoders: Suitable for applications requiring precise signal processing).
Q & A
- What is the primary function of the AD8274ARZ-RL?
The AD8274ARZ-RL is a precision difference amplifier designed to deliver excellent AC and DC performance.
- What is the typical distortion of the AD8274ARZ-RL at 20 kHz?
The typical distortion at 20 kHz is 0.00025% THD + N.
- What is the maximum gain error of the AD8274ARZ-RL?
The maximum gain error is 0.03%.
- What is the CMRR of the AD8274ARZ-RL?
The minimum CMRR is 83 dB.
- What is the input offset voltage of the AD8274ARZ-RL?
The maximum input offset voltage is 300 µV.
- What is the slew rate of the AD8274ARZ-RL?
The minimum slew rate is 20 V/μs.
- What is the settling time of the AD8274ARZ-RL for a 10 V step on the output?
The settling time to 0.1% is 650 ns.
- What is the supply voltage range of the AD8274ARZ-RL?
The supply voltage range is ±2.5 V to ±18 V.
- What is the maximum supply current of the AD8274ARZ-RL?
The maximum supply current is 2.6 mA.
- In what packages is the AD8274ARZ-RL available?
The AD8274ARZ-RL is available in 8-SOIC and MSOP packages.
