产品概览
LM285DR-2-5 from TI is a 2.5V micropower voltage reference diode. 10uA to 20mA operating current. +/-1.5% initial accuracy. 20ppm/C temp drift. SOIC-8 package. Two-terminal shunt reference.
工作原理
Bandgap shunt reference: maintains 2.5V across terminals when biased with 10uA to 20mA. Dynamic impedance of 0.2 ohm at 1mA. Low noise. No external capacitors required.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 5 | 阴极 | Positive terminal |
| 8 | 阳极 | Negative terminal |
应用
- Precision voltage reference
- ADC/DAC reference
- Low-power applications
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| TI | LM385DR-2-5 | 1.2V version |
| ADI | ADR381ARTZ-REEL7 | 2.5V SOT-23 ref |