GENERAL DESCRIPTION

This device consists of two seventh order sigma-delta modulators. Each modulator converts its analog input signal into a high speed 1-bit data stream. The part operates from a 5 V power supply and accepts a differential input range of 0 V to +2.5 V or ±1.25 V centered about a common-mode bias. The analog inputs are continuously sampled by the analog modulators, eliminating the need for external sample-and-hold circuitry. The input information is contained in the output stream as a density of ones. The original information can be digitally reconstructed with an appropriate digital filter.

FEATURES

13 MHz Master Clock Frequency

0 V to +2.5 V or ±1.25 V Input Range

Single Bit Output Stream

90 dB Dynamic Range

Power Supplies

AVDD, DVDD: 5 V ± 5

DVDD1: 3 V ± 5

Logic Outputs 3 V/5 V Compatible

On-Chip 2.5 V Voltage Reference

48-Lead LQFP

AD7724AST屬于集成電路（IC） > ADC/DAC - 特殊用途。亞德諾半導體技術有限公司制造生產的AD7724ASTADC/DAC - 特殊用途該產品族中的產品可用于模擬和數字表示的信息轉換，適用于特定用例，或集成了通用數據轉換器中不常見的其他功能。例如針對超聲或汽車雷達應用集成了低噪聲放大器和可變增益級的器件、注重音頻和視頻的產品、在段碼式顯示器上集成顯示測量值功能的器件、集成輸入輸出電氣隔離的器件等。