AD7674:  18位、800 kSPS PulSAR® ADC

AD7674是一款18位、800 kSPS、电荷再分配SAR型、全差分模数转换器(ADC),采用5 V单电源供电。该器件内置一个高速18位采样ADC、一个内部转换时钟、一个内部基准电压缓冲、纠错电路,以及串行和并行系统接口。AD7674经过出厂硬件校准和全面测试,可确保除一般直流参数(增益、偏置和线性度)之外,诸如信噪比(SNR)和总谐波失真(THD)等交流参数也合乎要求。该器件具有三种采样模式:极高采样速率模式(Warp模式);快速模式(正常模式),用于异步转换率应用;低功耗模式(脉冲模式),适用于低功耗应用,功率与吞吐量呈比例关系。该器件采用ADI公司的0.6微米高性能CMOS工艺制造,采用48引脚LQFP封装或48引脚LFCSP封装,工作温度范围为-40°C至+85°C。

The AD7674 is an 18-bit, 800 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates from a single 5 V power supply. The part contains a high-speed 18-bit samplingADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.The AD7674 is hardware factory calibrated and is comprehensively tested to ensure such ac parameters as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.

It features a very high sampling rate mode (Warp) and, for asynchronous conversion rate applications, a fast mode (Normal) and, for low power applications, a reduced power mode (Impulse) where the power is scaled with the throughput.It is fabricated using Analog Devices’ high-performance, 0.6 micron CMOS process and is available in a 48-lead LQFP or a 48-lead LFCSP with operation specified from – 40°C to +85°C.

AD7674 特点
AD7674 技术指标
AD7674 功能框图

AD7674 产品选型
产品型号 封装 引脚 温度范围 包装和数量 报价*(100-499) 报价*1000 pcs RoHS
AD7674ACPZ 产品状态: 量产 48 ld LFCSP 7x7mm (5.25EP) 48 工业 Tray, 260 $ 31.29 $ 28.29
AD7674ACPZRL 产品状态: 量产 48 ld LFCSP 7x7mm (5.25EP) 48 工业 Reel, 2500 - $ 28.29
AD7674ASTZ 产品状态: 量产 48 ld LQFP 48 工业 Tray, 250 $ 31.29 $ 28.29
AD7674ASTZRL 产品状态: 量产 48 ld LQFP 48 工业 Reel, 2000 - $ 28.29
EVAL-AD7674CBZ 产品状态: 量产 评估板 - 工业 1 $ 151.80 $ 151.80
AD7674 应用技术支持与电子电路设计开发资源下载
  1. AD7674 数据手册DataSheet下载 .pdf
  2. Analog Devices, Inc.ADI 美国模拟器件公司产品订购手册 .pdf
  3. ADC模数转换器选型指南 . pdf