The TLC2252 and TLC2254 are dual and quadruple operational amplifiers from Texas Instruments. Both devices exhibit rail-to-rail output performance for increased dynamic range in single- or split-supply applications. The TLC225x family consumes only 35 uA of supply current per channel. This micropower operation makes them good choices for battery-powered applications. The noise performance has been dramatically improved over previous generations of CMOS amplifiers. Looking at Figure 1, the TLC225x has a noise level of 19 nV/
Hz\ at 1kHz; four times lower than competitive micropower solutions.
The TLC225x amplifiers, exhibiting high input impedance and low noise, are excellent for small-signal conditioning for high-impedance sources, such as piezoelectric transducers
| TLC2254A |
| Number of Channels | 4 |
| Total Supply Voltage (V)(Min)(+5V=5, +/-5V=10) | 4.4 |
| Total Supply Voltage (V)(Max)(+5V=5, +/-5V=10) | 16 |
| Iq per channel(Max)(mA) | 0.0625 |
| GBW(Typ)(MHz) | 0.2 |
| Slew Rate(Typ)(V/us) | 0.12 |
| VIO (25 deg C)(Max)(mV) | 0.85 |
| Offset Drift(Typ)(uV/C) | 0.5 |
| IIB(Max)(pA) | 60 |
| CMRR(Min)(dB) | 70 |
| Vn at 1kHz(Typ)(nV/rtHz) | 19 |
| Rail-Rail | Out |
| Rating | Catalog |
| Pin/Package | 14PDIP, 14SOIC, 14TSSOP |
| Approx. Price (US$) | 0.80 | 1ku |
| Operating Temperature Range(C) | -40 to 125 |
TLC2254A 特性
- Output Swing Includes Both Supply Rails
- Low Noise...19 nV/Hz\ Typ at f = 1 kHz
- Low Input Bias Current...1 pA Typ
- Fully Specified for Both Single-Supply and Split-Supply Operation
- Very Low Power...35 uA Per Channel Typ
- Common-Mode Input Voltage Range Includes Negative Rail
- Low Input Offset Voltage
850 uV Max at TA = 25°C (TLC225xA) - Macromodel Included
- Performance Upgrades for the TS27L2/L4 and TLC27L2/L4
- Available in Q-Temp Automotive
HighRel Automotive Applications
Configuration Control / Print Support
Qualification to Automotive Standards
