产品概览
REF192ESZ-REEL7 from ADI is a 2.048V precision reference with +/-0.1% accuracy and 10 ppm/C drift. 25uVpp noise for high-resolution ADC/DAC. 45uA supply current. REEL7 = 7-inch tape-and-reel.
工作原理
Bandgap reference cancels VBE negative TC with PTAT positive TC for near-zero drift. Output buffer provides 10mA. NR pin allows additional noise filtering.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | VIN | 2.7-15V input |
| 4 | NR | Noise reduction |
| 7 | VOUT | 2.048V output |
应用
- Precision ADC reference
- DAC voltage reference
- Medical instrumentation
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| ADI | REF191ESZ-REEL7 | 2.5V output |
| TI | REF3020AIDBZR | 2.048V SOT-23 |