Overview
The AD8273ARZ, produced by Analog Devices Inc., is a dual-channel, low distortion amplifier designed for high-performance applications. It features internal gain setting resistors, allowing it to be configured as a difference amplifier, inverting amplifier, or noninverting amplifier without the need for external components. This amplifier is particularly suited for applications requiring high accuracy and low distortion, such as in audio and instrumentation systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±2.5 | ±18 | V | |
| Supply Current (per Amplifier) | 2.5 | mA | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Slew Rate | 20 | V/μs | ||
| Settling Time to 0.01% | 800 | ns | ||
| Common Mode Rejection Ratio (CMRR) | 77 | dB | ||
| Output Swing | -VS + 1.5 | +VS - 1.5 | V | |
| Short-Circuit Current Limit | 100 (sourcing), 60 (sinking) | mA | ||
| Capacitive Load Drive (G = ½) | 200 | pF | ||
| Capacitive Load Drive (G = 2) | 1200 | pF | ||
| Gain Error | 0.05% | % | ||
| Gain Drift | 10 | ppm/°C | ||
| Offset Voltage | 700 | μV | ||
| Package | 14-Lead SOIC |
Key Features
- Low distortion with 0.00025% THD + N at 20 kHz and 0.0015% THD + N at 100 kHz.
- Internal gain setting resistors for easy configuration as a difference amplifier, inverting amplifier, or noninverting amplifier.
- High accuracy dc performance with 77 dB minimum CMRR and 700 μV maximum offset voltage.
- Excellent ac specifications including a 20 V/μs minimum slew rate and 800 ns to 0.01% settling time.
- Drives 600 Ω loads and has a short-circuit current limit of 100 mA sourcing and 60 mA sinking.
- ±4000 V HBM ESD protection.
- Lead-free and RoHS compliant.
- Operating temperature range of -40°C to +85°C.
Applications
- ADC drivers.
- High-performance audio systems.
- Instrumentation amplifier building blocks.
- Level translators.
- Automatic test equipment.
- Sine/cosine encoders.
Q & A
- What is the AD8273ARZ used for?
The AD8273ARZ is a dual-channel, low distortion amplifier used in high-performance applications such as ADC drivers, high-performance audio, instrumentation, level translators, automatic test equipment, and sine/cosine encoders.
- What are the key features of the AD8273ARZ?
The key features include low distortion, internal gain setting resistors, high accuracy dc performance, excellent ac specifications, and the ability to drive 600 Ω loads.
- What is the operating temperature range of the AD8273ARZ?
The operating temperature range is -40°C to +85°C.
- What is the supply voltage range for the AD8273ARZ?
The supply voltage range is ±2.5 V to ±18 V.
- What is the slew rate of the AD8273ARZ?
The slew rate is 20 V/μs minimum.
- What is the common mode rejection ratio (CMRR) of the AD8273ARZ?
The CMRR is 77 dB minimum.
- What is the maximum offset voltage of the AD8273ARZ?
The maximum offset voltage is 700 μV.
- Is the AD8273ARZ RoHS compliant?
Yes, the AD8273ARZ is lead-free and RoHS compliant.
- What package types are available for the AD8273ARZ?
The AD8273ARZ is available in a 14-Lead SOIC package.
- What are the gain settings available for the AD8273ARZ?
The gain settings available are G = ½ (−6 dB) and G = 2 (+6 dB).
