Texas Instruments TPS7A4701射频LDO电压稳压器

Texas Instruments TPS7A4701射频LDO电压稳压器设计用于工业、仪器、医疗以及测试& 测量应用中所使用的噪声灵敏型精密模拟电路。此类应用需要高输入电压以及精确、可重复的测量,要求极为规整的电压轨,以支持高性能模拟电路,如运算放大器、模数转换器(ADC)、数模转换器 (DAC) 及各种不同传感器。

特性

  • Input Voltage Range +3V to +36V
  • Output Voltage Noise 4.17μVRMS (10Hz, 100kHz)
  • Power-Supply Ripple Rejection
  • 82dB (100Hz)
    • ≥ 55dB (10Hz, 10MHz)
  • Available in Two Versions
    • ANY-OUT™ (Adjustable Output via PCB Layout)
      • No External Resistors or Feed-Forward Capacitors Required
      • Output Voltage Range: +1.4V to +20.5V
    • Adjustable (TPS7A4701 only)
      • Output Voltage Range: +1.4V to +34V
  • Output Current 1A
  • Dropout Voltage 307mV at 1A
  • CMOS Logic Level-Compatible Enable Pin
  • Built-In Fixed Current Limit and Thermal Shutdown
  • Available in High Thermal Performance Package 5mm × 5mm QFN
  • Operating Temperature Range -40°C to +125°C

应用

  • Voltage-controlled oscillators (VCO)
  • Frequency synthesizers
  • Test and measurement
  • Instrumentation, medical, and audio
  • RX, TX, and PA circuitry
  • Supply rails for operational amplifiers, DACs, ADCs, and more
  • Post DC-DC converter regulation and ripple filtering
  • Base stations and telecom infrastructure
  • +12V and +24V industrial buses

Block Diagram

框图 - Texas Instruments TPS7A4701射频LDO电压稳压器
发布日期: 2014-01-29 | 更新日期: 2022-05-31