General Description
The MAX1240/MAX1241 low-power, 12-bit analog-to digital converters (ADCs) are available in 8-pin packages. The MAX1240 operates with a single +2.7V to +3.6V supply, and the MAX1241 operates with a single +2.7V to +5.25V supply. Both devices 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.

FEATUREs
♦ Single-Supply Operation:
   +2.7V to +3.6V (MAX1240)
   +2.7V to +5.25V (MAX1241)
♦ 12-Bit Resolution
♦ Internal 2.5V Reference (MAX1240)
♦ Small Footprint: 8-Pin DIP/SO Packages
♦ Low Power: 3.7µW (73ksps, MAX1240)
   3mW (73ksps, MAX1241)
   66µW (1ksps, MAX1241)
   5µW (power-down mode)
♦ Internal Track/Hold
♦ SPI/QSPI/MICROWIRE 3-Wire Serial Interface
♦ Internal Clock

APPLICATIONs
  Battery-Powered Systems
  Portable Data Logging
  Isolated Data Acquisition
  Process Control
  Instrumentation