AD7321BRUZ 500 kSPS, software-selectable true bipolar input, dual-channel, 12-bit (with symbolic bits) SAR A/D converter The AD7321* is a dual-channel, 12-bit successive approximation ADC with symbolized bits. The ADC is equipped with a high-speed serial interface with a maximum throughput of up to 500 ksps.
The AD7321 can input true bipolar analog signals and has four software-selectable input ranges: ±10 V, ±5 V, ±2.5 V, and 0 to 10 V. Each analog input channel can be independently programmed and can be set to one of four input ranges.
The analog inputs in the AD7321 can be programmed to be single-ended, true-differential, or pseudo-differential.
The AD7321 has a built-in 2.5 V reference voltage and can also be used as an external reference. If a 3V reference voltage is applied to the REFIN/OUT pins, the AD7321 accepts ± 12V true bipolar analog input. For the ± 12V input range, VDD and VSS supplies with a minimum ± of 12V are required.
Product Focus
- AD7321可输入真双极性模拟信号，±10V、±5V、±2.5V和0至10V单极信号。
- 两个模拟输入可配置为两个单端输入、一个真差分输入或一个伪差分输入。 AD7321拥有高阻抗模拟输入。
- 高速串行接口。SPI/QSPI/DSP/MICROWIRE-兼容。可达到500 ksps的最大呑吐量。
- 低功耗：26 mW（最大呑吐量为500 kSPS时）。
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