Low Cost, Low Power, True RMS-to-DC Converter

FEATURES Converts an ac voltage waveform to a dc voltage and then converts to the true rms, average rectified, or absolute value 200 mV rms full-scale input range (larger inputs with input attenuator) High input impedance: 1012 Ω Low input bias current: 25 pA maximum High accuracy: ±0.3 mV ±

TPS736 Capacitor-Free, NMOS, 400mA, Low-Dropout Regulator With Reverse Current Protection

1 Features • Stable with no output capacitor or any value or type of capacitor • Input voltage range of 1.7V to 5.5V • Ultra-low dropout voltage: 75mV typ • Excellent load transient response—with or without optional output capacitor • NMOS topology delivers low reverse leakage current • L