ADS8166IRHBT集成电路（IC）的模数转换器（ADC）规格书PDF中文资料

ADS8166IRHBT属于集成电路（IC）的模数转换器（ADC）。由德州仪器制造生产的ADS8166IRHBT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。

1 Features

• Compact low-power data acquisition system:

– MUX breakout enables single external driver

amplifier

– 16-bit SAR ADC

– Low-drift integrated reference and buffer

– 0.5 × VREF output for analog input DC biasing

• Excellent AC and DC performance:

– SNR: 92dB, THD: –110dB

– INL: ±0.3LSB, 16-bit no missing codes

• Multiplexer with channel sequencer:

– Multiple channel-sequencing options:

• Manual mode, on-the-fly mode, auto

sequence mode, custom channel

sequencing

– Fast response time with on-the-fly mode

• System monitoring features:

– Per channel programmable window comparator

– False trigger avoidance with programmable

hysteresis

• Enhanced-SPI digital interface:

– 1MSPS throughput with 16MHz SCLK

– High-speed, 50MHz digital interface

• Wide operating range:

– External VREF input range: 2.5V to 5V

– AVDD from 3V to 5.5V

– DVDD from 1.65V to 5.5V

– –40°C to +125°C temperature range

2 Applications

• Chemistry, gas analyzers

• Anesthesia delivery systems

• Mixed modules (AI, AO, DI, DO)

• Intra-DC interconnects (metro)

3 Description

The ADS816x is a family of 16-bit, 8-channel,

high-precision successive approximation register

(SAR) analog-to-digital converters (ADCs). The ADCs

operate from a single 5V supply with a 1MSPS

(ADS8168), 500kSPS (ADS8167), and 250kSPS

(ADS8166) total throughput.

The input multiplexer supports extended settling time,

which makes driving the analog inputs easier. The

output of the multiplexer and ADC analog inputs are

available as device pins. This configuration allows one

ADC driver op amp to be used for all eight analog

inputs of the multiplexer.

The ADS816x features a digital window comparator

with programmable high and low alarm thresholds per

analog input channel. The single op-amp solution with

programmable alarm thresholds enables low power,

low cost, and smallest form-factor applications.