Serial 12-Bit ADCs
MAX1246/MAX1247
19-1071; Rev 2; 10/01 EVAALVUAAILTAIOBNLEKIT
+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-1...
Description
MAX1246/MAX1247
19-1071; Rev 2; 10/01 EVAALVUAAILTAIOBNLEKIT
+2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16
General Description
The MAX1246/MAX1247 12-bit data-acquisition systems combine a 4-channel multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption. The MAX1246 operates from a single +2.7V to +3.6V supply; the MAX1247 operates from a single +2.7V to +5.25V supply. Both devices’ analog inputs are software configurable for unipolar/bipolar and single-ended/differential operation. The 4-wire serial interface connects directly to SPI™/ QSPI™ and MICROWIRE™ devices without external logic. A serial strobe output allows direct connection to TMS320-family digital signal processors. The MAX1246/ MAX1247 use either the internal clock or an external serial-interface clock to perform successive-approximation analog-to-digital conversions. The MAX1246 has an internal 2.5V reference, while the MAX1247 requires an...
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