产品概览
The AD824ARZ-14 is a quad FET-input, single-supply, rail-to-rail output operational amplifier from Analog Devices with 2 MHz bandwidth, 2 pA input bias current, and 500 µA per amplifier supply current in a 14-pin SOIC package.
主要规格
| 配置 | Quad (4 amplifiers) |
| 电源电压 | 3 V to 30 V (single) or ±15 V (dual) |
| 增益-带宽乘积 | 2 MHz |
| 压摆率 | 2 V/µs |
| 输入偏置电流 | 2 pA typical |
| 输入失调电压 | 0.1 mV typical (AD824A grade) |
| Input Impedance | 10^13 Ω parallel 3.3 pF |
| Output Swing | Rail-to-rail (within 15 mV of rails) |
| Supply Current/Amplifier | 500 µA typical |
| CMRR | 80 dB typical |
| Channel Separation | -123 dB at 1 kHz |
| Voltage Noise Density | 16 nV/√Hz at 1 kHz |
| Current Noise Density | 0.8 fA/√Hz at 1 kHz |
| Capacitive Load Drive | 350 pF without oscillation |
| 工作温度 | -40°C to +85°C |
| 包装 | SOIC-14 (narrow) |
特点
- Single supply operation: 3 V to 30 V
- Ultra-low input bias current: 2 pA (FET input)
- Rail-to-rail output swing within 15 mV of supplies
- Wide input voltage range beyond supplies without phase inversion
- Low supply current: 500 µA per amplifier
- Excellent channel separation: -123 dB
- Drives 350 pF capacitive loads without oscillation
- No phase reversal or latch-up on overdriven inputs
应用
- Photodiode preamplifiers
- Battery-powered instrumentation
- Medical instrumentation
- High-impedance sensor amplifiers
- DAC output amplifiers