AD7705BRZ:  3V/5V、1 mW、双通道差分、16位Σ-Δ ADC

AD7705AD7706均是完整的16位低成本Σ-Δ模数转换器(ADC),用于直流测量和低频交流测量应用,其具有低功耗(3 V时最大1 mW)特性,因而能用在环路供电、电池供电或本地供电的应用中。片内可编程增益放大器提供从1至128的增益设置,无需使用外部信号调节硬件便可接受低电平和高电平模拟输入。

AD7705拥有两个差分通道,而AD7706则拥有一个差分通道和两个伪差分通道。在定制比率应用器件时,差分基准电压输入还能提供极大的灵活性。

The AD7705 and AD7706 are complete 16-bit, low-cost, Sigma Delta ADCs intended for dc and low-frequency ac measurement applications. Their low power (1 mW max @ 3 V) allows them to be used in loop-powered, battery-powered or locally-powered applications. The on-chip Programmable Gain Amplifier with gain settings from I through 128 can accommodate both low-level and high-level analog inputs with no external signal conditioning hardware.

The AD7705 has two differential channels while the AD7706 has one differential and two pseudo-differential channels. Differential reference inputs also allow maximum flexibility in tailoring the device for use in ratiometric applications.

AD7705BRZ 特点
AD7705BRZ 功能框图

AD7705 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
AD7705BN Prodn 16 ld PDIP 16 工业
AD7705BNZ Prodn 16 ld PDIP 16 工业
AD7705BR Prodn 16 ld SOIC - Wide 16 工业
AD7705BR-REEL Prodn 16 ld SOIC - Wide 16 工业
AD7705BR-REEL7 Prodn 16 ld SOIC - Wide 16 工业
AD7705BRU Prodn 16 ld TSSOP 16 工业
AD7705BRU-REEL Prodn 16 ld TSSOP 16 工业
AD7705BRU-REEL7 Prodn 16 ld TSSOP 16 工业
AD7705BRUZ Prodn 16 ld TSSOP 16 工业
AD7705BRUZ-REEL Prodn 16 ld TSSOP 16 工业
AD7705BRUZ-REEL7 Prodn 16 ld TSSOP 16 工业
AD7705BRZ Prodn 16 ld SOIC - Wide 16 工业
AD7705BRZ-REEL Prodn 16 ld SOIC - Wide 16 工业
AD7705BRZ-REEL7 Prodn 16 ld SOIC - Wide 16 工业
EVAL-AD7705EBZ Prodn EVALUATION BOARDS - 工业
AD7705BRZ 应用技术支持与电子电路设计开发资源下载
  1. AD7705 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