AD7490:带序列器的16通道、1 MSPS、12位ADC,采用28引脚TSSOP封装

AD7490是一款12位高速、低功耗逐次逼近型ADC,采用单电源供电,电源电压为2.7V至5.25V,最高呑吐量可达1 MSPS。该器件内置一个低噪声、宽带宽采样/保持放大器,可处理1 MHz以上的输入频率。转换过程和数据采集过程通过CS和串行时钟进行控制,从而为器件与微处理器或DSP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。该器件不存在流水线延迟。AD7490采用先进的设计技术,可在高呑吐量的情况下实现极低的功耗。采用3 V电源,呑吐量为1 MSPS时,AD7490的功耗为1.2 mA;采用5 V电源,呑吐量为1 MSPS,其功耗为2 mA。

The AD7490 is a 12-bit high speed, low power, successive- approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. The part contains a low-noise, wide bandwidth track/hold amplifier that can handle input frequencies in excess of 1 MHz.

The conversion process and data acquisition are controlled using CS and the serial clock, allowing the device to 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 AD7490 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With 3 V supplies and 1 MSPS throughput rate, the AD7490 consumes 1.2 mA and with 5 V supplies and 1 MSPS, the current consumption is 2 mA.

AD7490 特点
AD7490 技术指标
AD7490 建议配套产品
AD7490 功能框图

AD7490 芯片订购指南
产品型号 产品状态 封装 引脚 温度范围
AD7490BCP 量产 32 ld LFCSP (5x5mm CP-32-2) 32 工业
AD7490BCP-REEL 量产 32 ld LFCSP (5x5mm CP-32-2) 32 工业
AD7490BCP-REEL7 量产 32 ld LFCSP (5x5mm CP-32-2) 32 工业
AD7490BCPZ 量产 32 ld LFCSP (5x5mm CP-32-2) 32 工业
AD7490BCPZ-REEL7 量产 32 ld LFCSP (5x5mm CP-32-2) 32 工业
AD7490BRU 量产 28 ld TSSOP (4.4mm) 28 工业
AD7490BRU-REEL 量产 28 ld TSSOP (4.4mm) 28 工业
AD7490BRU-REEL7 量产 28 ld TSSOP (4.4mm) 28 工业
AD7490BRUZ 量产 28 ld TSSOP (4.4mm) 28 工业
AD7490BRUZ-REEL 量产 28 ld TSSOP (4.4mm) 28 工业
AD7490BRUZ-REEL7 量产 28 ld TSSOP (4.4mm) 28 工业
EVAL-AD7490CBZ 量产 评估板 - 待定
AD7490 应用技术支持与电子电路设计开发资源下载
  1. AD7490 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