Overview
The AD8274ARZ-R7, produced by Analog Devices Inc., is a high-performance difference amplifier that delivers excellent AC and DC performance. Built on Analog Devices' proprietary iPolar® process and utilizing laser-trimmed resistors, this device achieves low distortion, high gain accuracy, and excellent common-mode rejection ratio (CMRR). It is suitable for a wide range of applications, including measuring large industrial signals, ADC drivers, high-performance audio, and instrumentation amplifier building blocks. The device can be configured as a G = ½ or G = 2 difference amplifier without external components and supports various gain settings for single-ended applications.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | Differential |
| Number of Circuits | 1 |
| Package Type | 8-Lead SOIC-N |
| Supply Voltage Range | ±2.5V to ±18V (Single supply: 5V to 36V) |
| Operating Temperature Range | -40°C to +85°C |
| Slew Rate | 20 V/μs (min) |
| Gain Bandwidth Product | 20 MHz |
| Input Offset Voltage | 300 μV (typ) |
| Common-Mode Rejection Ratio (CMRR) | 92 dB (typ) |
| Supply Current | 2.3 mA (typ) |
| Output Short-Circuit Current Limit | 90 mA (sourcing), 60 mA (sinking) |
Key Features
- Very low distortion: 0.00025% THD + N at 20 kHz and 0.0015% at 100 kHz.
- Excellent gain accuracy: 0.03% maximum gain error and 2 ppm/°C maximum gain drift.
- High CMRR: 92 dB typical.
- Ability to drive 600 Ω loads.
- Fast settling time: 800 ns to 0.01%.
- Wide supply voltage range: ±2.5V to ±18V (single supply: 5V to 36V).
Applications
- ADC drivers
- High-performance audio
- Instrumentation amplifier building blocks
- Level translators
- Automatic test equipment
- Sine/cosine encoders
Q & A
- What is the AD8274ARZ-R7 used for? The AD8274ARZ-R7 is used in various applications such as ADC drivers, high-performance audio, instrumentation amplifier building blocks, level translators, automatic test equipment, and sine/cosine encoders.
- What is the typical input offset voltage of the AD8274ARZ-R7? The typical input offset voltage is 300 μV.
- What is the slew rate of the AD8274ARZ-R7? The minimum slew rate is 20 V/μs.
- What is the common-mode rejection ratio (CMRR) of the AD8274ARZ-R7? The CMRR is 92 dB typical.
- What is the operating temperature range of the AD8274ARZ-R7? The operating temperature range is -40°C to +85°C.
- What is the supply current of the AD8274ARZ-R7? The typical supply current is 2.3 mA.
- Can the AD8274ARZ-R7 drive heavy loads? Yes, it can drive 600 Ω loads.
- What is the gain bandwidth product of the AD8274ARZ-R7? The gain bandwidth product is 20 MHz.
- Is the AD8274ARZ-R7 RoHS compliant? Yes, the AD8274ARZ-R7 is RoHS compliant.
- What package types are available for the AD8274ARZ-R7? The device is available in an 8-Lead SOIC-N package.
