TLV521 是一款 350nA 毫微功耗运算放大器,属于 TI 的超值性能毫微功耗运算放大器系列。TLV521 的互补金属氧化物半导体 (CMOS) 输入级经过精心设计,能够实现 1pA 的超低 Ibias,从而减少 IBIAS 和 IOS 误差, 以免 影响兆欧级电阻、高电阻光电二极管以及充电感测等敏感型应用。此外,内置的电磁干扰 (EMI) 保护可降低器件对手机和 RFID 阅读器所发出意外射频 (RF) 信号的敏感度。
TLV521 采用 5 引脚 SC70 封装,运行温度范围为 –40°C 至 125°C。
| Number of channels | 1 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 5.5 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 1.7 |
| Rail-to-rail | In, Out |
| GBW (typ) (MHz) | 0.006 |
| Slew rate (typ) (V/µs) | 0.0029 |
| Vos (offset voltage at 25°C) (max) (mV) | 3 |
| Iq per channel (typ) (mA) | 0.00035 |
| Vn at 1 kHz (typ) (nV√Hz) | 300 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| Offset drift (typ) (µV/°C) | 1.5 |
| Features | Cost Optimized, EMI Hardened |
| CMRR (typ) (dB) | 100 |
| Iout (typ) (A) | 0.012 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | 0.0005 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.00035 |
| Output swing headroom (to negative supply) (typ) (V) | 0.002 |
| Output swing headroom (to positive supply) (typ) (V) | -0.003 |
| SOT-SC70 (DCK) | 5 | 4.2 mm² 2 x 2.1 |