Overview
The AD8273ARZ-R7, produced by Analog Devices Inc., is a dual-channel, high precision difference amplifier designed for various high-performance applications. This amplifier is known for its low distortion, excellent ac specifications, and high accuracy dc performance. It is available in a 14-lead SOIC package and is RoHS compliant.
The AD8273ARZ-R7 can be configured as a difference amplifier, inverting amplifier, or noninverting amplifier with gain settings of ½ (−6 dB) or 2 (+6 dB) without the need for external components. This versatility makes it suitable for a wide range of applications, including ADC drivers, high-performance audio, instrumentation amplifier building blocks, level translators, and automatic test equipment.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±2.5 V | ±18 V | V | |
| Operating Temperature | −40°C | +85°C | °C | |
| Supply Current (per Amplifier) | 2.5 mA | mA | ||
| Bandwidth | 20 MHz | MHz | ||
| Slew Rate | 20 V/μs | V/μs | ||
| Settling Time to 0.01% | 750 ns | 800 ns | ns | |
| Output Swing | −VS + 1.5 V | +VS − 1.5 V | V | |
| Short-Circuit Current Limit | 100 mA (Sourcing) | 60 mA (Sinking) | mA | |
| Input Offset Voltage | 700 μV | μV | ||
| Common Mode Rejection Ratio (CMRR) | 77 dB | dB |
Key Features
- Low distortion with 0.00025% THD + N at 20 kHz and 0.0015% THD + N at 100 kHz.
- Drives 600 Ω loads with two gain settings (G = ½ or 2).
- Excellent ac specifications with a minimum slew rate of 20 V/μs and settling time to 0.01% in 800 ns.
- High accuracy dc performance with a maximum gain error of 0.05% and gain drift of 10 ppm/°C.
- High common-mode rejection ratio (CMRR) of 77 dB.
- Maximum input offset voltage of 700 μV.
- ESD protection of ±4000 V HBM.
- Available in a 14-lead SOIC package.
Applications
- ADC drivers
- High-performance audio
- Instrumentation amplifier building blocks
- Level translators
- Automatic test equipment
- Sine/cosine encoders
Q & A
- What is the operating temperature range of the AD8273ARZ-R7?
The operating temperature range is from −40°C to +85°C.
- What are the supply voltage ranges for the AD8273ARZ-R7?
The supply voltage ranges from ±2.5 V to ±18 V.
- What is the typical supply current per amplifier for the AD8273ARZ-R7?
The typical supply current per amplifier is 2.5 mA.
- What is the bandwidth of the AD8273ARZ-R7?
The bandwidth is 20 MHz.
- What is the slew rate of the AD8273ARZ-R7?
The slew rate is 20 V/μs.
- What is the settling time to 0.01% for the AD8273ARZ-R7?
The settling time to 0.01% is 800 ns.
- What is the maximum input offset voltage of the AD8273ARZ-R7?
The maximum input offset voltage is 700 μV.
- What is the common-mode rejection ratio (CMRR) of the AD8273ARZ-R7?
The CMRR is 77 dB.
- What are the gain settings available for the AD8273ARZ-R7?
The gain settings are G = ½ (−6 dB) and G = 2 (+6 dB).
- What is the ESD protection level of the AD8273ARZ-R7?
The ESD protection level is ±4000 V HBM.
