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The TLC 2252 and TLC 2254 are dual quadruple op amps 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 miniature power operation provides an excellent choice for battery powered applications. Noise performance has been greatly improved compared to previous generations of CMOS amplifiers. As shown in Figure 1, the TLC225x has a noise level of 19 NV/Hz at 1 kHz; 4 times lower than competing micropower solutions.

With high input impedance and low noise, the TLC225x amplifiers are good for small signal conditioning of high impedance sources such as piezoelectric transducers. Due to the micro-power level, these devices work well in handheld monitoring and remote sensing applications. Additionally, the rail-to-rail output features, single or split supply, make this family a good choice when paired with an analog-to-digital converter (ADC) . For precision applications, the TLC225xA series is available with a maximum input bias voltage of 850 UV. This family is characterized by 5V and ±5V.

The TLC 2252/4 also greatly upgrades the TLC27L2/L4 or TS27L2/L4 in standard design. They provide greater output dynamic range, lower noise voltage and lower input bias voltage. This enhanced feature set allows them to be used in a wider range of applications. See the TLV 2432 and TLV 2442 devices for applications requiring higher output drivers and wider input voltage ranges. If your design requires a single amplifier, see the TLV 2211/21/31 series. These devices are single rail-to-rail op amps in a SOT-23 package. Small size and low power consumption make them ideal for high density, battery powered devices.

Output swing includes two supply rails Low noise. 19 nv/Hz\Typ at f=1 khz low input bias current. 1 Pa type fully specified for single supply and split supply operation Very low power. 35 UA per channel type input Voltage range includes negative rail low input bias voltage 850 uv. MAX at TA=25°C (TLC225xA) macromodel includes performance upgrades for TS27L2/L4 and TLC27L2/L4, available in Q-temp Automotive HighRel Automotive Application Configuration Control/Print Support Qualification, Advanced LinCMOS is Texas Instruments trademark.