FEATURES
PSRR performance of 54 dB at 100 kHz Ultralow noise independent of VOUT 3 µV rms, 0.1 Hz to 10 Hz 9.5 µV rms, 0.1 Hz to 100 kHz 9 µV rms, 10 Hz to 100 kHz 17 µV rms, 10 Hz to 1 MHz Low dropout voltage: 150 mV at 200 mA load Maximum output current: 200 mA Input voltage range: 2.2 V to 5.5 V Low quiescent and shutdown current Initial accuracy: ±1% Accuracy over line, load, and temperature: −2.5%/+1.5% 5-lead TSOT package and 6-lead LFCSP package VIN = 2.9V CIN 4.7µF Ultralow Noise, 200 mA Linear Regulator ADM7160 APPLICATION CIRCUIT ADM7160 1 VIN GND EN VOUT 5 VOUT = 2.5V COUT 4.7µF 2.5V TO 5V 2 ON OFF 3 NC 4 NC = NO CONNECT VDD IN+ 0V TO VREF VREF DVDD DIGITAL OUTPUT 11334-101 1.8V TO 5V 16-BIT/18-BIT ADC IN– VDD APPLICATIONS
ADC/DAC power supplies RF, VCO, and PLL power supplies Post dc-to-dc regulation Figure 1. ADM7160 Powering a 16-Bit/18-Bit ADC GENERAL DESCRIPTION
Using an innovative circuit topology, the ADM7160 achieves ultralow noise performance without the need for a bypass capacitor, making the device ideal for noise-sensitive analog front-end and RF applications.
Analog Devices
