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AD7923: 内置序列器的4通道、200 kSPS、12位模数转换器,采用16引脚TSSOP封装

AD7923是一款12位、高速、低功耗、4通道、逐次逼近型ADC,采用2.7 V至5.25 V单电源供电,最高吞吐量达200 kSPS。该器件内置一个低噪声、宽带宽采样/保持放大器,可处理8 MHz以上的输入频率。AD7923转换过程和数据采集过程通过CS和串行时钟信号进行控制,从而为器件与微处理器或DSP轻松接口创造了条件。输入信号在CS的下降沿进行采样,而转换同时在此处启动。该器件无流水线延迟。AD7923采用先进的设计技术,可在最高吞吐量下实现极低的功耗。在最高吞吐量下,采用3 V电源时,AD7923的功耗为0.85 mA;采用5V电源时,功耗为1 mA。

The AD7923 is a 12-bit, high speed, low power, 4-channel, successive-approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 200 kSPS. The part contains a low-noise, wide bandwidth track/hold amplifier, which can handle input frequencies in excess of 8 MHz.

The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and conversion is also initiated at this point. There are no pipeline delays associated with the part.The AD7923 uses advanced design techniques to achieve very low power dissipation at maximum throughput rates. At maximum throughput rates, the AD7923 consumes 0.85 mA with 3 V supplies and, with 5V supplies, the current consumption is 1 mA.

AD7923 特性
AD7923 技术指标
AD7923 功能框图

AD7923 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
AD7923BRU 量产 16 ld TSSOP 16 工业
AD7923BRU-REEL 量产 16 ld TSSOP 16 工业
AD7923BRU-REEL7 量产 16 ld TSSOP 16 工业
AD7923BRUZ 量产 16 ld TSSOP 16 商业
AD7923BRUZ-REEL 量产 16 ld TSSOP 16 商业
AD7923BRUZ-REEL7 量产 16 ld TSSOP 16 商业
EVAL-AD7923CBZ 量产 评估板 - 待定
AD7923 应用技术支持与电子电路设计开发资源下载
  1. AD7923 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