AD7768BSTZ集成电路（IC）的模数转换器（ADC）规格书PDF中文资料

AD7768BSTZ属于集成电路（IC）的模数转换器（ADC）。由亚德诺半导体技术有限公司制造生产的AD7768BSTZ模数转换器（ADC）模数转换器（ADC、A/D 或 A 转 D）对模拟信号进行采样，例如由麦克风采集的声音或传感器的输出，然后将其转换为数字信号。一般来说，数字输出是二进制补码二进制数，与输入成比例。输入类型可能是差分、伪差分或单端输入。模数转换器可按照位数、采样率、输入数、接口、转换器数和架构（例如自适应增量、双斜率、折叠、流水线、SAR、三角积分、两步式）进行选择。

FEATURES

► Precision ac and dc performance

► 8-/4-channel simultaneous sampling

► 256 kSPS maximum ADC ODR per channel

► 108 dB dynamic range

► DC to 110.8 kHz maximum input bandwidth (−3 dB bandwidth)

► −120 dB THD, typical

► ±2 ppm of full-scale range (FSR) integral nonlinearity (INL),

±50 μV offset error, ±30 ppm of FSR gain error

► Optimized power dissipation vs. noise vs. input bandwidth

► Selectable power, speed, and input bandwidth

► Fast (highest speed): 110.8 kHz bandwidth, 51.5 mW per

channel

► Median (half speed): 55.4 kHz bandwidth, 27.5 mW per

channel

► Low power (lowest power): 13.8 kHz bandwidth, 9.375 mW

per channel

► Per channel digital filter

► Programmable input bandwidth/sampling rates

► CRC error checking on data interface

► Daisy-chaining

► Linear phase digital filter

► Low latency sinc5 filter

► Wideband brick wall filter: ±0.005 dB pass band ripple to

102.4 kHz

► Analog input precharge and reference precharge buffers

► Power supply

► AVDD1 = 5.0 V, AVDD2 = 2.25 V to 5.0 V

► IOVDD = 2.5 V to 3.3 V or IOVDD = 1.8 V

► 64-lead LQFP, no exposed pad

► Temperature range: −40°C to +105°C

APPLICATIONS

► Data acquisition systems: USB/PXI/Ethernet

► Instrumentation and industrial control loops

► Audio testing and measurement

► Vibration and asset condition monitoring

► 3-phase power quality analysis

► Sonar

► High precision medical electroencephalogram (EEG)/electromyography

(EMG)/electrocardiogram (ECG)