AD7091R-2

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

GENERALDESCRIPTION TheAD7091R-2/AD7091R-4/AD7091R-8familyisamultichannel12-bit,ultralowpower,successiveapproximationanalog-to-digitalconverter(ADC)thatisavailableintwo,four,oreightanaloginputchanneloptions.TheAD7091R-2/AD7091R-4/AD7091R-8operatefromasingle2.7Vto

AD7091R-2

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

FEATURES ►Ultralowsystempower ►Flexiblepower/throughputratemanagement ►Normalmode ►1.4mWat1MSPS ►Power-downmode ►550nAtypicalatVDD=5.25V ►435nAtypicalatVDD=3V ►ProgrammableALERTinterruptpin(4-/8-channelmodels) ►Highperformance ►1MSPSthroughputw

AD7091R-2

采用16引脚TSSOP和LFCSP封装的双通道、1 MSPS、超低功耗、12位ADC; • 超低系统功耗\n• 灵活的功耗/吞吐速率管理 \n\n\n\n\n• 高性能\n• 1 MSPS吞吐速率，无延迟/流水线延迟 \n\n• SNR： 70 dB（典型值，10 kHz输入频率）\n\n• 总谐波失真(THD)： -80 dB（典型值，10 kHz输入频率） \n\n• 积分非线性(INL)： ±0.7 LSB（典型值），±1.0 LSB（最大值）;

AD7091R-2/AD7091R-4/AD7091R-8 系列是多通道、12位、超低功耗、逐次逼近型模数转换器(ADC)，提供2/4/8模拟输入通道选项。AD7091R-2/AD7091R-4/AD7091R-8采用2.7 V至5.25 V单电源供电，采样速率高达1 MSPS。AD7091R-2/ AD7091R-4/AD7091R-8内置一个宽带宽采样保持放大器，可处理超过1.5 MHz以内的输入频率。AD7091R-2/AD7091R-4/AD7091R-8还配有片内转换时钟、片内精密2.5 V基准电压源和高速串行接口。\n\n AD7091R-2/AD7091R-4/AD7091R-8系列具有多达8个带通道序列器的单端模拟输入，可以通过预先编程选择通道转换顺序。 \n\n AD7091R-2/AD7091R-4/AD7091R-8集成串行端口接口(SPI)，可在完成转换后读取数据，同时具有1 MSPS吞吐速率。 转换过程和数据采集利用CONVST引脚控制。 \n\n AD7091R-2/AD7091R-4/AD7091R-8系列采用先进的设计技术，可在高吞吐速率的情况下实现极低的功耗。还提供灵活的功耗管理选项。片内配置寄存器可让用户设置不同的工作条件。它们包括电源管理、报警功能、忙碌指示、通道时序和通用输出引脚。MUXOUT和ADCIN引脚允许在ADC获取多路复用器的输出信号之前对其进行调理。\n\n

AD7091R-2_V01

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

FEATURES ►Ultralowsystempower ►Flexiblepower/throughputratemanagement ►Normalmode ►1.4mWat1MSPS ►Power-downmode ►550nAtypicalatVDD=5.25V ►435nAtypicalatVDD=3V ►ProgrammableALERTinterruptpin(4-/8-channelmodels) ►Highperformance ►1MSPSthroughputw

AD7091R-2BCPZ

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

GENERALDESCRIPTION TheAD7091R-2/AD7091R-4/AD7091R-8familyisamultichannel12-bit,ultralowpower,successiveapproximationanalog-to-digitalconverter(ADC)thatisavailableintwo,four,oreightanaloginputchanneloptions.TheAD7091R-2/AD7091R-4/AD7091R-8operatefromasingle2.7Vto

AD7091R-2BCPZ

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

FEATURES ►Ultralowsystempower ►Flexiblepower/throughputratemanagement ►Normalmode ►1.4mWat1MSPS ►Power-downmode ►550nAtypicalatVDD=5.25V ►435nAtypicalatVDD=3V ►ProgrammableALERTinterruptpin(4-/8-channelmodels) ►Highperformance ►1MSPSthroughputw

AD7091R-2BCPZ-RL7

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

GENERALDESCRIPTION TheAD7091R-2/AD7091R-4/AD7091R-8familyisamultichannel12-bit,ultralowpower,successiveapproximationanalog-to-digitalconverter(ADC)thatisavailableintwo,four,oreightanaloginputchanneloptions.TheAD7091R-2/AD7091R-4/AD7091R-8operatefromasingle2.7Vto

AD7091R-2BCPZ-RL7

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

FEATURES ►Ultralowsystempower ►Flexiblepower/throughputratemanagement ►Normalmode ►1.4mWat1MSPS ►Power-downmode ►550nAtypicalatVDD=5.25V ►435nAtypicalatVDD=3V ►ProgrammableALERTinterruptpin(4-/8-channelmodels) ►Highperformance ►1MSPSthroughputw

AD7091R-2BRUZ

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

GENERALDESCRIPTION TheAD7091R-2/AD7091R-4/AD7091R-8familyisamultichannel12-bit,ultralowpower,successiveapproximationanalog-to-digitalconverter(ADC)thatisavailableintwo,four,oreightanaloginputchanneloptions.TheAD7091R-2/AD7091R-4/AD7091R-8operatefromasingle2.7Vto

AD7091R-2BRUZ

2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC

FEATURES ►Ultralowsystempower ►Flexiblepower/throughputratemanagement ►Normalmode ►1.4mWat1MSPS ►Power-downmode ►550nAtypicalatVDD=5.25V ►435nAtypicalatVDD=3V ►ProgrammableALERTinterruptpin(4-/8-channelmodels) ►Highperformance ►1MSPSthroughputw