MAX1248 2x4-Channel / Simultaneous-Sampling 14-Bit DAS

Maxim

Description

19-1072; Rev 2; 5/98 +2.7V to +5.25V, Low-Power, 4-Channel, Serial 10-Bit ADCs in QSOP-16 _______________General .
The MAX1248/MAX1249 10-bit data-acquisition systems combine a 4-channel multiplexer, high-bandwidth track/hold, and serial interface with high convers.

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Datasheet Specifications

Part number: MAX1248
Manufacturer: Maxim
File Size: 242.54 KB
Datasheet: MAX1248_MaximIntegratedProducts.pdf
Description: 2x4-Channel / Simultaneous-Sampling 14-Bit DAS

Features

* o 4-Channel Single-Ended or 2-Channel Differential Inputs o Single +2.7V to +5.25V Operation o Internal 2.5V Reference (MAX1248) o Low Power: 1.2mA (133ksps, +3V supply) 54µA (1ksps, +3V supply) 1µA (power-down mode) o SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface o Software-Configura

Applications

* Portable Data Logging Medical Instruments Pen Digitizers Data Acquisition Battery-Powered Instruments System Supervision __________Typical Operating Circuit +3V CH0 0V TO +2.5V ANALOG INPUTS VDD DGND C3 0.1µF VDD MAX1248 AGND CH3 COM CS SCLK VREF I/O SCK (SK) MOSI (SO) MISO (SI) VSS CPU Pin Conf

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MAX1248 2x4-Channel Simultaneous-Sampling 14-Bit DAS Maxim

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