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8-Channel, Software-Selectable True Bipolar Input, 12-Bit Plus Sign ADC AD7328
FEATURES
12-bit plus sign SAR ADC True bipolar input ranges Software-selectable input ranges ±10 V, ±5 V, ±2.5 V, 0 V to +10 V 1 MSPS throughput rate Eight analog input channels with channel sequencer Single-ended, true differential, and pseudo differential analog input capability High analog input impedance Low power: 21 mW Temperature indicator Full power signal bandwidth: 22 MHz Internal 2.5 V reference High speed serial interface Power-down modes 20-lead TSSOP package iCMOS™ process technology
FUNCTIONAL BLOCK DIAGRAM
VDD REFIN/OUT VCC
AD7328
VIN0 VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 I/P MUX T/H 2.