AD7765集成電路（IC）的模數(shù)轉(zhuǎn)換器（ADC）規(guī)格書PDF中文資料

AD7765屬于集成電路（IC）的模數(shù)轉(zhuǎn)換器（ADC）。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的AD7765模數(shù)轉(zhuǎn)換器（ADC）模數(shù)轉(zhuǎn)換器（ADC、A/D 或 A 轉(zhuǎn) D）對(duì)模擬信號(hào)進(jìn)行采樣，例如由麥克風(fēng)采集的聲音或傳感器的輸出，然后將其轉(zhuǎn)換為數(shù)字信號(hào)。一般來說，數(shù)字輸出是二進(jìn)制補(bǔ)碼二進(jìn)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(zhuǎn)換器可按照位數(shù)、采樣率、輸入數(shù)、接口、轉(zhuǎn)換器數(shù)和架構(gòu)（例如自適應(yīng)增量、雙斜率、折疊、流水線、SAR、三角積分、兩步式）進(jìn)行選擇。

GENERAL DESCRIPTION

The AD7765 is a high performance, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC). It combines wide input bandwidth, high speed, and performance of 112 dB dynamic range at a 156 kHz output data rate. With excellent dc specifications, the converter is ideal for high speed data acquisition of ac signals where dc data is also required.

FEATURES

High performance 24-bit Σ-Δ ADC

115 dB dynamic range at 78.125 kHz output data rate

112 dB dynamic range at 156 kHz output data rate

156 kHz maximum fully filtered output word rate

Pin-selectable oversampling rates of 128× and 256×

Low power mode

Flexible serial peripheral interface (SPI)

Fully differential modulator input

On-chip differential amplifier for signal buffering

On-chip reference buffer

Full band low-pass finite impulse response (FIR) filter

Overrange alert pin

Digital gain correction registers

Power-down mode

Synchronization of multiple devices via the SYNC pin

Daisy chaining

APPLICATIONS

Data acquisition systems

Vibration analysis

Instrumentation