GENERAL DESCRIPTION

The AD7676 is a 16-bit, 500 kSPS, charge redistribution SAR, fully differential analog-to-digital converter (ADC) that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports.

FEATURES

Throughput: 500 kSPS

INL: ±1 LSB Max (±0.0015 of Full Scale)

16-Bit Resolution with No Missing Codes

S/(N+D): 94 dB Typ @ 45 kHz

THD: –110 dB Typ @ 45 kHz

Differential Input Range: ±2.5 V

Both AC and DC Specifications

No Pipeline Delay

Parallel (8 Bits/16 Bits) and Serial 5 V/3 V Interface

SPI™/QSPI™/MICROWIRE™/DSP Compatible

Single 5 V Supply Operation

67 mW Typical Power Dissipation, 15 μW @ 100 SPS

Power-Down Mode: 7 μW Max

Packages: 48-Lead Quad Flatpack (LQFP)

48-Lead Frame Chip Scale (LFCSP)

Pin-to-Pin Compatible with the AD7675

APPLICATIONS

CT Scanners

Data Acquisition

Instrumentation

Spectrum Analysis

Medical Instruments

Battery-Powered Systems

Process Control

AD7674属于集成电路（IC） > 模数转换器（ADC）。亚德诺半导体技术有限公司制造生产的AD7674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。