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MAX1243 - +2.7V to +5.25V / Low-Power / 10-Bit Serial ADCs

General Description

The MAX1242/MAX1243 are low-power, 10-bit analogto-digital converters (ADCs) available in 8-pin packages.

They operate with a single +2.7V to +5.25V supply and feature a 7.5µs successive-approximation ADC, a fast track/hold (1.5µs), an on-chip clock, and a high-speed, 3-wire serial interface.

Key Features

  • o +2.7V to +5.25V Single-Supply Operation o 10-Bit Resolution o Internal 2.5V Reference (MAX1242) o Small Footprint: 8-Pin DIP and SO Packages o Low Power: 3.7mW (73ksps, MAX1242) 3mW (73ksps, MAX1243) 66µW (1ksps, MAX1243) 5µW (power-down mode) o Internal Track/Hold o SPI™/QSPI™/Microwire™ 3-Wire Serial Interface o Pin-Compatible 12-Bit Upgrades: MAX1240/MAX1241 MAX1242/MAX1243 _________________Ordering Information PART MAX1242ACPA MAX1242BCPA MAX1242ACSA MAX1242BCSA MAX1242AEPA MAX1242BEPA T.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX1241 12-Bit Serial ADCs
MAX1242 +2.7V to +5.25V / Low-Power / 10-Bit Serial ADCs
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1156; Rev 2; 6/98 +2.7V to +5.25V, Low-Power, 10-Bit Serial ADCs in SO-8 __________________General Description The MAX1242/MAX1243 are low-power, 10-bit analogto-digital converters (ADCs) available in 8-pin packages. They operate with a single +2.7V to +5.25V supply and feature a 7.5µs successive-approximation ADC, a fast track/hold (1.5µs), an on-chip clock, and a high-speed, 3-wire serial interface. Power consumption is only 3mW (VDD = 3V) at the 73ksps maximum sampling speed. A 2µA shutdown mode reduces power at slower throughput rates. The MAX1242 has an internal 2.5V reference, while the MAX1243 requires an external reference. The MAX1243 accepts signals from 0V to VREF, and the reference input range includes the positive supply rail.