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TI/德州仪器 TPS7A8801RTJT

1A、低噪声、高 PSRR、双通道可调节超低压降稳压器
特价: 0
  • 封装规格WQFN (RTJ) | 20
  • 制造商TI/德州仪器
  • $0.00 - $0.15
    / 件
    |
    1 件(Min. Order)
    1-99 件 $0.15
    100-499 件 $0.13
    500-999 件 $0.11
    >=1000 件 $0.09
    数量
    -
    +
    (1000 库存)
    描述 常见问题 评价
    描述

    TPS7A88 的特性

    • 两个独立的 LDO 通道
    • 低输出噪声:< 3.8µVRMS (10Hz–100kHz)
    • 低压降:1A 电流时为 200mV(最大值)
    • 宽输入电压范围:1.4V 至 6.5V
    • 宽输出电压范围:0.8V 至 5.0V
    • 高电源纹波抑制:
      • 直流时为 75dB
      • 100kHz 时为 40dB
      • 1MHz 时为 40dB
    • 整个线路、负载和温度范围内的精度达 1.0%
    • 出色的负载瞬态响应
    • 可调节的启动浪涌控制
    • 可选软启动充电电流
    • 独立开漏电源正常 (PG) 输出
    • 与 10µF 或更大的陶瓷输出电容一起工作时保持稳定
    • 4mm × 4mm 20 引脚超薄型四方扁平无引线 (WQFN) 封装

    应用

    • 高速模拟电路:
      • 压控振荡器 (VCO)、模数转换器 (ADC)、数模转换器 (DAC) 以及低压差分信令 (LVDS)
    • 成像:互补金属氧化物半导体 (CMOS) 传感器,视频专用集成电路 (ASIC)
    • 测试和测量
    • 仪器仪表、医疗和音频
    • 数字负载:串化解串器 (SerDes),现场可编程栅极阵列 (FPGA), DSP

    All trademarks are the property of their respective owners.

    TPS7A88 的说明

    TPS7A88 是一款双路、低噪声 (3.8 µVRMS)、低压降 (LDO) 稳压器,每通道具有 1A 的拉电流能力,其最高压降仅为 200mV。

    TPS7A88 提供两个独立的 LDO,极具灵活性,解决方案尺寸要比两个单通道 LDO 小 50% 左右。每个输出可通过外部电阻在 0.8V 至 5.0V 范围内进行调节。TPS7A88 的宽输入电压范围支持其在 1.4V 至 6.5V 范围内的电压下工作。

    TPS7A88 的输出电压精度(整个线路、负载和温度范围内)达 1%,并且可通过软启动功能减少涌入电流,因此非常适合为敏感类模拟低压器件 [例如,压控振荡器 (VCO)、模数转换器 (ADC)、数模转换器 (DAC)、高端处理器和现场可编程门阵列 (FPGA)] 供电。

    TPS7A88 旨在为噪声敏感类组件供电,广泛适用于高速通信、视频、医疗或测试和测量等 应用。此器件具有 4 µVRMS 的超低输出噪声和宽带电源抑制比 (PSRR) (1MHz 时为 40dB),最大限度减少了相位噪声和时钟抖动。这些 特性 最大限度提升了计时器件、ADC 和 DAC 的性能。

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