ADS-325A

www.DataSheet4U.com ® ® ADS-325A 10-Bit, 20MHz Sampling A/D Converter IN N O VA T IO N a n d E X C E L L E N C E FEATURES 10-bit, 20MHz sampling ±1LSB max. differential nonlinearity Internal calibration circuit Internal S/H amplifier 70MHz input bandwidth TTL/CMOS compatible in-out logic Latched three-state output data Single +5V supply Low 150mW power dissipation Small 48 pin LQFP package Low cost INPUT/OUTPUT CONNECTIONS PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 FUNCTION BIT 10 (LSB) BIT 9 BIT 8 BIT 7 BIT 6 DIGITAL GROUND (DGND) +DVS (Digital) BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 (MSB) TEST PIN TEST SIGNAL IN RESET DIGITAL GROUND (DGND) SELECT (SEL) +AVS (Analog) TEST MODE LINV MINV A/D CLOCK OUTPUT ENABLE (OE) CHIP ENABLE (CE) PIN 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 FUNCTION DIGITAL GROUND (DGND) NO CONNECTION NO CONNECTION +DVS (Digital) ANALOG GROUND (AGND) ANALOG GROUND (AGND) TEST SIGNAL IN CALIBRATION (CAL) NO CONNECTION ANALOG INPUT (VIN) TEST SIGNAL OUT TEST SIGNAL IN ANALOG GROUND (AGND) REFERENCE BOTTOM (VRB) REFERENCE BOTTOM (VRB) NO CONNECTION NO CONNECTION NO CONNECTION REFERENCE TOP (VRT) REFERENCE TOP (VRT) ANALOG GROUND (AGND) ANALOG GROUND (AGND) +AVS (Analog) +AVS (Analog) GENERAL DESCRIPTION DATEL's ADS-325A is a low power, 10-bit, 20MHz, CMOS sampling A/D converter. Its small 48 pin plastic LQFP package contains a S/H amplifier, a 3-state output register, linearity cali...