TPS7A4700RGWR 1 Features 3 Description

The TPS7A47 is a family of positive voltage (+36 V),

TPS7A4700RGWR 1• Input Voltage Range: +3 V to +36 V

ultralow-noise (4 μVRMS) low-dropout linear regulators

TPS7A4700RGWR • Output Voltage Noise: (LDO) capable of sourcing a 1-A load.

4 μVRMS (10 Hz, 100 kHz)

The TPS7A4700 output voltages are user- • Power-Supply Ripple Rejection: programmable (up to 20.5 V) using a printed circuit

– 82 dB (100 Hz) board (PCB) layout without the need of external

– ≥ 55 dB (10 Hz, 10 MHz) resistors or feed-forward capacitors, thus reducing

overall component count. • Two Output Voltage Modes:

– ANY-OUT™ Version (User-Programmable The TPS7A4701 output voltage can be configured

Output via PCB Layout): with a user-programmable PCB layout (up to 20.5 V),

or adjustable (up to 34 V) with external feedback

– No External Feedback Resistors or Feed- resistors. Forward Capacitors Required

The TPS7A47 is designed with bipolar technology – Output Voltage Range: +1.4 V to +20.5 V

primarily for high-accuracy, high-precision

– Adjustable Version (TPS7A4701 only): instrumentation applications where clean voltage rails

operational amplifiers, analog-to-digital converters

TPS7A4700RGWR • Dropout Voltage: 307 mV at 1 A (ADCs), digital-to-analog converters (DACs), and

ensured in sensitive instrumentation, test-andmeasurement,

audio, and RF applications. 2 Applications

For applications where positive and negative low•

Voltage-Controlled Oscillators (VCO) noise rails are required, consider TI's TPS7A33 family

1特征3描述

TPS7A47是一个正电压族(+ 36v)，

输入电压范围:+ 3v ~ + 36v

超低噪声(4μVRMS)低压差线性稳压器

输出电压噪声:(LDO)能产生1-A负载。

4μVRMS(10 Hz,100 kHz)

TPS7A4700输出电压是用户•电源纹波抑制:可编程(高达20.5 V)使用印刷电路

- 82db (100hz)板(PCB)布局不需要外部

——≥55分贝(10 Hz,10 MHz)电阻或前馈电容,从而减少

整体组件。•两种输出电压模式:

——任何™版本(可TPS7A4701输出电压可以配置

通过PCB布局输出):使用用户可编程PCB布局(高达20.5 V)，

或可调节(34伏)与外部反馈

-无外部反馈电阻器或馈电电阻器。向前电容器所需

TPS7A47采用双极技术设计，输出电压范围:+1.4 V至+20.5 V

主要用于高精度，高精度

-可调版本(仅适用于TPS7A4701):用于清洁电压轨的仪表应用

运算放大器，模数转换器

•压降电压:1a (ADCs) 307mv，数模转换器(DACs)，和

确保在敏感仪器，测试和测量，

音频和射频应用。2应用程序

适用于正负低•的应用

需要电压控制振荡器(VCO)噪音导轨，考虑TI的TPS7A33系列

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