Overview
The AD8032ANZ from Analog Devices Inc. is a dual, high-speed, low-power voltage feedback operational amplifier. It is part of the AD8031/AD8032 series, which features rail-to-rail input and output characteristics, making it suitable for a wide range of applications. The amplifier is fabricated using Analog Devices' eXtra Fast Complementary Bipolar (XFCB) process, ensuring high performance with low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | +2.7 V, +5 V, ±5 V |
| Supply Current | 800 μA per amplifier |
| Bandwidth | 80 MHz (G = +1) |
| Slew Rate | 30 V/μs |
| Input Voltage Range | Exceeds supply voltage by 500 mV |
| Output Voltage Swing | Within 20 mV of either supply (light load), 300 mV (up to 5 mA load) |
| Total Harmonic Distortion (THD) | −62 dBc at 1 MHz, −86 dBc at 100 kHz |
| Input Offset Voltage | ±1 mV to ±10 mV (TMIN to TMAX) |
| Input Bias Current | 0.45 μA to 2.2 μA (TMIN to TMAX) |
| Input Voltage Noise | 15 nV/√Hz at 1 kHz |
| Input Current Noise | 0.4 pA/√Hz at 100 kHz |
Key Features
- High speed performance with 80 MHz bandwidth and 30 V/μs slew rate
- Low power consumption: 800 μA per amplifier
- Rail-to-rail input and output capabilities
- True single-supply capability with operation from +2.7 V, +5 V, and ±5 V supplies
- Excellent signal quality with low distortion (THD: −62 dBc at 1 MHz, −86 dBc at 100 kHz)
- Fast settling time, ideal for buffers to single-supply ADCs
- No phase reversal up to 500 mV beyond supply voltage
Applications
- High-speed data acquisition systems
- Single-supply ADC buffers
- Video and audio signal processing
- Medical and industrial instrumentation
- High-frequency signal amplification and filtering
Q & A
- What is the supply current of the AD8032ANZ? The supply current is 800 μA per amplifier.
- What are the typical supply voltages for the AD8032ANZ? The amplifier is specified for +2.7 V, +5 V, and ±5 V supplies.
- What is the bandwidth of the AD8032ANZ? The bandwidth is 80 MHz (G = +1).
- What is the slew rate of the AD8032ANZ? The slew rate is 30 V/μs.
- How does the input voltage range of the AD8032ANZ extend beyond the supply voltage? The input voltage range exceeds the supply voltage by 500 mV.
- What is the output voltage swing of the AD8032ANZ? The output voltage swings to within 20 mV of either supply when driving a light load; 300 mV when driving up to 5 mA.
- What is the total harmonic distortion (THD) of the AD8032ANZ? The THD is −62 dBc at 1 MHz and −86 dBc at 100 kHz.
- What are some typical applications of the AD8032ANZ? High-speed data acquisition systems, single-supply ADC buffers, video and audio signal processing, medical and industrial instrumentation, and high-frequency signal amplification and filtering.
- What is the input offset voltage of the AD8032ANZ? The input offset voltage ranges from ±1 mV to ±10 mV (TMIN to TMAX).
- How much input bias current does the AD8032ANZ draw? The input bias current ranges from 0.45 μA to 2.2 μA (TMIN to TMAX).
