THS4531IDGK

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1. Describe

The THS4531IDGK is a low power, fully differential operational amplifier The input common mode range is below the negative rail and rail-to-rail output. This device is designed for Low Power Data Acquisition System and High Density application power consumption and Dissipation is critical. The device has an accurate output common mode Control to allow DC coupling when driving Analog-to-Digital Converter (ADC). this control, plus the input common mode range below Negative rail and rail-to-rail outputs, allowing easy Interface from single-ended ground-referenced signals Source of successive approximation register (SAR) and delta-sigma (ΔΣ) ADCs, use only Single supply 2.5 V to 5 V power supply. THS4531IDGK Yes Also a valuable tool for general purpose, low power consumption Differential signal conditioning applications. The THS4531 is characterized by operation in Extended industrial temperature range from –40°C to+125°C.

2. Feature

    1. Ultra-low power consumption:

        – Voltage: 2.5 V to 5.5 V

        – Current: 250 µA

        – Power-down mode: 0.5 µA (typ)

    2. Fully differential architecture

    3. Bandwidth: 36 MHz

    4. Slew rate: 200 V/µs

    5. THD: –120 dBc at 1 kHz (1 VRMS, RL= 2 kΩ)

    6. Input voltage noise: 10 nV/√Hz (f = 1 kHz)

    7. High DC accuracy:

        – VOS Drift: ±4 µV/˚C (–40°C to +125°C)

        – AOL: 114 decibels

    8. Rail-to-Rail Output (RRO)

    9. Negative Rail Input (NRI)

  10. Output common mode control

3. Application

    1. Low power SAR, ΔΣ ADC driver

    2. Low power consumption, high performance:

        – Differential to Differential Amplifier

        – Single-ended to differential amplifier

    3. Low power, wide bandwidth differential driver

    4. Low power, wide bandwidth differential signal conditioning

    5. High channel count and power dense systems

4. Pin configuration

5. Pin Description