AD7490集成電路（IC）的模數(shù)轉換器（ADC）規(guī)格書PDF中文資料

AD7490屬于集成電路（IC）的模數(shù)轉換器（ADC）。由亞德諾半導體技術有限公司制造生產的AD7490模數(shù)轉換器（ADC）模數(shù)轉換器（ADC、A/D 或 A 轉 D）對模擬信號進行采樣，例如由麥克風采集的聲音或傳感器的輸出，然后將其轉換為數(shù)字信號。一般來說，數(shù)字輸出是二進制補碼二進制數(shù)，與輸入成比例。輸入類型可能是差分、偽差分或單端輸入。模數(shù)轉換器可按照位數(shù)、采樣率、輸入數(shù)、接口、轉換器數(shù)和架構（例如自適應增量、雙斜率、折疊、流水線、SAR、三角積分、兩步式）進行選擇。

GENERAL DESCRIPTION

The AD7490 is a 12-bit high speed, low power, 16-channel, successive approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 1 MHz.

FEATURES

Fast throughput rate: 1 MSPS

Specified for VDD of 2.7 V to 5.25 V

Low power at maximum throughput rates

5.4 mW maximum at 870 kSPS with 3 V supplies

12.5 mW maximum at 1 MSPS with 5 V supplies

16 (single-ended) inputs with sequencer

Wide input bandwidth 69.5 dB SNR at 50 kHz input frequency

Flexible power/serial clock speed management

No pipeline delays

High speed serial interface, SPI/QSPI?/MICROWIRE?/DSP compatible

Full shutdown mode: 0.5 μA maximum

28-lead TSSOP and 32-lead LFCSP packages