2.7V至3.6V和4.5V至5.5V、低功耗、4/12通道、2线串口、12位ADC

MAX1236–MAX1239低功耗、12位多通道模数转换器(ADC)具有内部采样/保持(T/H)、电压基准、时钟和I²C兼容的2线串行接口。这些器件工作于2.7V至3.6V (MAX1237/MAX1239)或4.5V至5.5V (MAX1236/MAX1238)单电源，在94.4ksps最大采样速率下，仅需电流670µA。在采样速率低于46ksps时，电源电流降至230µA以下。AutoShutdown™功能在两次转换间自动关断器件，使在更低的数据吞吐率下，将电源电流降低至1µA以下。MAX1236/MAX1237有四路模拟输入通道，而MAX1238/MAX1239具有12路模拟输入通道。 \n• 400kHz快速模式 \n• 单电源 \n• 4.5V至5.5V (MAX1236/MAX1238) \n• 2.048V (MAX1237/MAX1239) \n• 外部基准：1V至VDD \n• 4通道单端或2通道全差分(MAX1236/MAX1237) \n• 内置FIFO，具有通道扫描模式 \n• 94.4ksps时，670µA \n• 10ksps时，60µA \n• 处于关断模式时，0.5µA \n• 小型封装 \n• 16引脚QSOP (MAX1238/MAX1239);

2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/MAX1239) or 4

封装/外壳：16-SSOP（0.154"，3.90mm 宽） 包装：管件 描述：IC ADC 12BIT SAR 16QSOP 集成电路（IC） 模数转换器（ADC）

封装/外壳：16-SSOP（0.154"，3.90mm 宽） 包装：管件 描述：IC ADC 12BIT SAR 16QSOP 集成电路（IC） 模数转换器（ADC）

2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/MAX1239) or 4

2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/MAX1239) or 4

2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs

General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/MAX1239) or 4

MicroManager Chip

DESCRIPTION The DS1239 MicroManager provides all the necessary functions for power supply control and monitoring, reset control, and memory backup in microprocessor-based systems. Using the DS1239, an AC power switch is no longer required for microprocessor-based systems. A keyboard control syste

Backup Battery Management Circuit

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