Analog Devices Inc. EVAL-ADP7156 Evaluation Board demonstrates the operation and functionality of the ADP7156 ultralow noise, 1.2A LDO voltage regulator. Device measurements like line and load regulation, dropout voltage, and ground current, can be demonstrated using only a single voltage supply, load resistors, and a voltmeter or an ammeter.
Power supply rejection ratio (PSRR)
80dB from 1kHz to 100kHz; 60dB at 1MHz, VOUT = 3.3V, VIN = 4.0V
0.9µV rms total integrated noise from 100Hz to 100kHz
1.6µV rms total integrated noise from 10Hz to 100kHz
Noise spectral density: 1.7nV/√Hz from 10kHz to 1MHz