Overview
The AD8274ARMZ-R7 from Analog Devices Inc. is a precision difference amplifier designed to deliver excellent AC and DC performance. Built on Analog Devices' proprietary iPolar® process and utilizing laser-trimmed resistors, this amplifier achieves low distortion, high gain accuracy, and excellent common-mode rejection ratio (CMRR). It is suitable for a wide range of applications requiring high precision and low distortion, such as ADC drivers, high-performance audio, and instrumentation amplifiers.
Key Specifications
| Parameter | Description |
|---|---|
| Part Number | AD8274ARMZ-R7 |
| Manufacturer | Analog Devices Inc. |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Amplifier Type | Differential |
| Number of Channels | 1 |
| Gain Bandwidth Product | 20 MHz |
| Slew Rate | 20 V/μs |
| Common Mode In (max) | 40.5 V |
| Common Mode In (min) | -40.5 V |
| Gain (max) | 2 V/V |
| Gain (min) | 0.5 V/V |
| Input Beyond Supply | Yes |
| Supply Voltage Range | ±2.5 V to ±18 V (5 V to 36 V single supply) |
| Operating Temperature Range | -40°C to 85°C |
| Supply Current | 2.6 mA (max) |
| Output Current / Channel | 90 mA |
| RoHS Status | Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Very low distortion: 0.00025% THD + N at 20 kHz and 0.0015% THD + N at 100 kHz.
- High gain accuracy: 0.03% maximum gain error and 2 ppm/°C maximum gain drift.
- Excellent CMRR: 83 dB minimum.
- High slew rate: 20 V/μs minimum.
- Fast settling time: 800 ns to 0.01%.
- Ability to drive 600 Ω loads.
- Internal, matched, precision laser-trimmed resistors.
- Single-supply operation up to 36 V and dual-supply operation up to ±18 V.
- Configurable gains from ½ to 2 without external components).
Applications
- ADC drivers: Excellent for driving analog-to-digital converters due to its low distortion and high accuracy).
- High-performance audio: Suitable for audio applications requiring low distortion and high fidelity).
- Instrumentation amplifier building blocks: Used in constructing high-precision instrumentation amplifiers).
- Level translators: Helps in translating high voltage levels to those acceptable by ADCs or other devices).
- Automatic test equipment: Utilized in test equipment for its precision and reliability).
- Sine/cosine encoders: Used in applications requiring precise signal processing).
Q & A
- What is the primary function of the AD8274ARMZ-R7?
The AD8274ARMZ-R7 is a precision difference amplifier designed to deliver excellent AC and DC performance.
- What is the gain bandwidth product of the AD8274ARMZ-R7?
The gain bandwidth product is 20 MHz.
- What is the slew rate of the AD8274ARMZ-R7?
The slew rate is 20 V/μs minimum.
- What is the operating temperature range of the AD8274ARMZ-R7?
The operating temperature range is -40°C to 85°C.
- Is the AD8274ARMZ-R7 RoHS compliant?
Yes, the AD8274ARMZ-R7 is RoHS compliant.
- What is the maximum supply current of the AD8274ARMZ-R7?
The maximum supply current is 2.6 mA.
- What is the output current per channel of the AD8274ARMZ-R7?
The output current per channel is 90 mA.
- Can the AD8274ARMZ-R7 drive 600 Ω loads?
Yes, it can drive 600 Ω loads.
- What are some common applications of the AD8274ARMZ-R7?
Common applications include ADC drivers, high-performance audio, instrumentation amplifier building blocks, level translators, automatic test equipment, and sine/cosine encoders.
- What is the typical distortion of the AD8274ARMZ-R7 at 20 kHz?
The typical distortion is 0.00025% THD + N at 20 kHz.
