The AD7321 is a 2-channel, 12-bit plus sign successive approximation ADC designed on the iCMOS (industrial CMOS) process. iCMOS is a process combining high voltage silicon with submicron CMOS and complementary bipolar technologies. It enables the development of a wide range of high performance ICs capable of 33 V operation in a footprint that no previous generation of high voltage parts could achieve. Unlike ICs using conventional CMOS processes, iCMOS components can accept bipolar input signals while providing increased performance, dramatically reduced power consumption, and reduced package size.
- 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
- 500 kSPS throughput rate
- Two input channels with channel sequencer
- Single-ended, true differential, and pseudo differential input capability
- High input impedance
- Low power: 17 mW
- Full power signal bandwidth: 22 MHz
- Internal 2.5 V reference
- High speed serial interface
- Power-down modes
- 14-lead TSSOP package
- iCMOS™ process technology
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