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MAX1288EKA-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX1288EKA-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 15 page General Description The MAX1286–MAX1289 are low-cost, micropower, seri- al output 12-bit analog-to-digital converters (ADCs) available in a tiny 8-pin SOT23. The MAX1286/MAX1288 operate with a single +5V supply. The MAX1287/ MAX1289 operate with a single +3V supply. The devices feature a successive-approximation ADC, auto- matic shutdown, fast wakeup (1.4µs), and a high-speed 3-wire interface. Power consumption is only 0.5mW (VDD = +2.7V) at the maximum sampling rate of 150ksps. AutoShutdown™ (0.2µA) between conversions results in reduced power consumption at slower throughput rates. The MAX1286/MAX1287 provide 2-channel, single-ended operations and accept input signals from 0 to VREF. The MAX1288/MAX1289 accept true-differential inputs ranging from 0 to VREF. Data is accessed using an external clock through the 3-wire SPI™/QSPI™/MICROWIRE™–compatible serial inter- face. Excellent dynamic performance, low power, ease of use, and small package size make these converters ideal for portable battery-powered data-acquisition applications, and for other applications that demand low power consumption and minimal space. Applications Low-Power Data Acquisition Portable Temperature Monitors Flowmeters Touch Screens Features o Single-Supply Operation +3V (MAX1287/MAX1289) +5V (MAX1286/MAX1288) o Autoshutdown Between Conversions o Low Power 245µA at 150ksps 150µA at 100ksps 15µA at 10ksps 2µA at 1ksps 0.2µA in Shutdown o True-Differential Track/Hold, 150kHz Sampling Rate o Software-Configurable Unipolar/Bipolar Conversion (MAX1288/MAX1289 Only) o SPI/QSPI/MICROWIRE–Compatible Interface for DSPs and Processors o Internal Conversion Clock o 8-Pin SOT23 Package 150ksps, 12-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs in SOT23 ________________________________________________________________ Maxim Integrated Products 1 CNVST REF GND 1 2 8 7 SCLK DOUT AIN1 (AIN+) AIN2 (AIN-) VDD SOT23 TOP VIEW ( ) ARE FOR THE MAX1288/MAX1289 3 4 6 5 MAX1286 MAX1287 MAX1288 MAX1289 Pin Configuration 19-2231; Rev 0; 10/01 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Ordering Information AutoShutdown is a trademark of Maxim Integrated Products, Inc. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. PART TEMP. RANGE PIN- PACKAGE TOP MARK MAX1286EKA-T -40°C to +85°C 8 SOT23-8 AAFA MAX1287EKA-T -40°C to +85°C 8 SOT23-8 AAEW MAX1288EKA-T -40°C to +85°C 8 SOT23-8 AAFC MAX1289EKA-T -40°C to +85°C 8 SOT23-8 AAEY EVALUATION KIT AVAILABLE |
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