AD7920AKSZ-500RL7 模数转换器

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AD7920AKSZ-500RL7

模数转换器 - ADC 250 kSPS, 12- Bit 250 kSPS,  10-/12-Bit ADCs in 6-Lead SC70


GENERAL DESCRIPTION AD7920AKSZ-500RL7

The AD7910/AD79201  are, respectively, 10-bit and 12-bit, high speed, low power, successive approximation ADCs. The parts operate from a single 2.35 V to 5.25 V power supply and feature throughput rates up to 250 kSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 13 MHz.


The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is initiated at this point. There are no pipeline delays associated with the part.


FEATURES AD7920AKSZ-500RL7

Throughput rate: 250 kSPS

Specified for VDD of 2.35 V to 5.25 V

Low power

3.6 mW typ at 250 kSPS with 3 V supplies

12.5 mW typ at 250 kSPS with 5 V supplies

Wide input bandwidth

71 dB SNR at 100 kHz input frequency

Flexible power/serial clock speed management

No pipeline delays

High speed serial interface

SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible

Standby mode: 1 μA max

6-lead SC70 package

8-lead MSOP package


APPLICATIONS AD7920AKSZ-500RL7

Battery-powered systems

Personal digital assistants

Medical instruments

Mobile communications

Instrumentation and control systems

Data acquisition systems

High speed modems

Optical sensors 


分辨率

: 12 bit

通道数量

: 1 Channel

采样比

: 250 kS/s

转换器数量

: 1 Converter

Pd-功率耗散

: 15 mW

工作电源电压

: 5 V