The LMP201x series are the first members of TI’s new LMP™ precision amplifier family. The LMP201x series offers unprecedented accuracy and stability in space-saving miniature packaging, offered at an affordable price. This device utilizes patented auto-zero techniques to measure and continually correct the input offset error voltage. The result is an amplifier which is ultra-stable over time and temperature. It has excellent CMRR and PSRR ratings, and does not exhibit the familiar 1/f voltage and current noise increase that plagues traditional amplifiers. The combination of the LMP201x characteristics makes it a good choice for transducer amplifiers, high gain configurations, ADC buffer amplifiers, DAC I-V conversion, and any other 2.7-V to 5-V application requiring precision and long term stability.
Other useful benefits of the LMP201x are rail-to-rail output, a low supply current of 930 µA, and wide gain-bandwidth product of 3 MHz. These versatile features found in the LMP201x provide high performance and ease of use.
(For VS = 5 V, Typical Unless Otherwise Noted)
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 5 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 2.7 |
| Vos (offset voltage at 25°C) (max) (mV) | 0.036 |
| GBW (typ) (MHz) | 3 |
| Features | Zero Drift |
| Slew rate (typ) (V/µs) | 4 |
| Rail-to-rail | In to V-, Out |
| Offset drift (typ) (µV/°C) | 0.015 |
| Iq per channel (typ) (mA) | 0.919 |
| Vn at 1 kHz (typ) (nV√Hz) | 35 |
| CMRR (typ) (dB) | 130 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| Input bias current (max) (pA) | 4 |
| Iout (typ) (A) | 0.015 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | -0.3 |
| Input common mode headroom (to positive supply) (typ) (V) | -1.8 |
| Output swing headroom (to negative supply) (typ) (V) | 0.04 |
| Output swing headroom (to positive supply) (typ) (V) | -0.022 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |
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