• 简体中文
• English

MAX192：低功耗、8通道、串行10位ADC

对于3V应用，请参考MAX1248和MAX148

The MAX192 is a low-cost, 10-bit data-acquisition system that combines an 8-channel multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and ultra-low power consumption. The device operates with a single +5V supply. The analog inputs are software configurable for single-ended and differential (unipolar/bipolar) operation. The 4-wire serial interface connects directly to SPI™, QSPI™, and MICROWIRE™ devices, without using external logic. A serial strobe output allows direct connection to TMS320 family digital signal processors. The MAX192 uses either the internal clock or an external serial-interface clock to perform successive approximation A/D conversions. The serial interface can operate beyond 4MHz when the internal clock is used. The MAX192 has an internal 4.096V reference with a drift of ±30ppm typical. A reference-buffer amplifier simplifies gain trim and two sub-LSBs reduce quantization errors. The MAX192 provides a hardwired active-low SHDN pin and two software-selectable power-down modes. Accessing the serial interface automatically powers up the device, and the quick turn-on time allows the MAX192 to be shut down between conversions. By powering down between conversions, supply current can be cut to under 10µA at reduced sampling rates. The MAX192 is available in 20-pin DIP and SO packages, and in a shrink-small-outline package (SSOP) that occupies 30% less area than an 8-pin DIP. The data format provides hardware and software compatibility with the MAX186/MAX188. For anti-aliasing filters, consult the data sheets for the MAX291-MAX297.

关键特性 8-Channel Single-Ended or 4-Channel Differential Inputs Single +5V Operation Low Power: 1.5mA (operating) 2µA (power-down) Internal Track/Hold, 133kHz Sampling Rate Internal 4.096V Reference 4-Wire Serial Interface is Compatible with SPI, QSPI, MICROWIRE, and TMS320 20-Pin DIP, SO, SSOP Packages Pin-Compatible 12-Bit Upgrade (MAX186/MAX188)

MAX192：典型工作电路 应用 汽车电子 电池管理 电池供电应用 消费类电子 医疗仪器 笔输入系统 便携式数据记录 机器人技术

数据手册DataSheet

关键参数

质量和环境数据

• MAX192.pdf

相关产品

• MAX11621：10位、300ksps ADC，带有FIFO和内部基准
• MAX1043：10位、多通道ADC/DAC，带有FIFO、温度传感器和GPIO端口
• MAX1040：10位、多通道ADC/DAC，带有FIFO、温度传感器和GPIO端口
• MAX186：低功耗、8通道、串行12位ADC
• MAX188：低功耗、8通道、串行12位ADC
• MAX1248：+2.7V至+5.25V、低功耗、4通道、串行、10位ADC，QSOP-16封装
• MAX148：+2.7V至+5.25V、低功耗、8通道、串行10位ADC

订购型号