AD8335 Datasheet | Analog Devices

FEATURES Low noise preamplifier (Pr A) Voltage noise = 1.3 n V/√Hz typical Current noise = 2.4 p A/√Hz typical NF = 7 d B (RS = RIN = 50 Ω) Single-ended input; VIN maximum = 625 m V p-p Active input match Input SNR (noise bandwidth = 20 MHz) = 92 d B VGA Differential output VOUT maximum = 5 V p-p, RL = 500 Ω differential Gain range (8 d B output gain step) - 10 d B to +38 d B- low gain mode - 2 d B to +46 d B- high gain mode Accurate linear-in-d B gain control Pr A + VGA performance - 3 d B bandwidth of 85 MHz Excellent overload performance Supply: 5 V Power consumption 95 m W/channel (380 m W total) 65 m W/channel (Pr A off; 260 m W total) Power-down APPLICATIONS Medical imaging (ultrasound, gamma cameras) Sonar Test and measurement Precise, stable wideband gain control GENERAL DESCRIPTION The AD8335 is a quad variable gain amplifier (VGA) with low noise preamplifier intended for cost and power sensitive applications. Each channel features a gain range of 48 d B, fully...