AD7091R-5集成电路（IC）的模数转换器（ADC）规格书PDF中文资料

AD7091R-5属于集成电路（IC）的模数转换器（ADC）。由亚德诺半导体技术有限公司制造生产的AD7091R-5模数转换器（ADC）模数转换器（ADC、A/D 或 A 转 D）对模拟信号进行采样，例如由麦克风采集的声音或传感器的输出，然后将其转换为数字信号。一般来说，数字输出是二进制补码二进制数，与输入成比例。输入类型可能是差分、伪差分或单端输入。模数转换器可按照位数、采样率、输入数、接口、转换器数和架构（例如自适应增量、双斜率、折叠、流水线、SAR、三角积分、两步式）进行选择。

GENERAL DESCRIPTION

The AD7091R-5 is a 12-bit, multichannel, ultra low power, successive approximation analog-to-digital converter (ADC). The AD7091R-5 operates from a single 2.7 V to 5.25 V power supply and typically consumes only 24 µA at a 3 V supply in fast mode.

FEATURES

I2C-compatible serial interface supports standard and

fast modes

Ultra low power: 90 µW typical at 3 V in fast mode

Specified for VDD of 2.7 V to 5.25 V

On-chip accurate 2.5 V reference, 5 ppm/°C typical drift

4 single-ended analog input channels

ALERT function

BUSY function

Autocycle mode

Wide input bandwidth

68 dB signal-to-noise ratio (SNR) typical at input

frequency of 1 kHz

Flexible power/throughput rate management

No pipeline delays

Power-down mode

550 nA typical at VDD = 5.25 V

435 nA typical at VDD = 3 V

20-lead LFCSP and TSSOP packages

Temperature range: −40°C to +125°C

APPLICATIONS

Battery-powered systems

Personal digital assistants

Medical instruments

Mobile communications

Instrumentation and control systems

Data acquisition systems

Optical sensors

Diagnostic/monitoring functions