Data Acquisition System Single ADC Octal DAC 12-Bit 48-Pin TQFN EP T/R

The MAX1220/MAX1257/MAX1258 is a highly integrated system monitoring and control solution which includes a 16-channel (MAX1257/MAX1258) or 8-ch (MAX1220) 12-bit Analog to Digital Converter (ADC), twelve 12-bit Digital to Analog Converters (DACs), an internal reference, an internal temp sensor, a 4-bit (MAX1220) or 12-bit (MAX1257/MAX1258) GPIO port, and a 25MHz SPI-/QSPI-/MICROWIRE - compatible serial interface. The MAX1220 is available in a 36-pin TQFN package. The MAX1257/MAX1258 are available in 48-pin TQFN package. All devices are specified over the -40°C to +85°C temperature range.

• Reduce Parts Count and Board Space with Fully Integrated System Monitor and Controller
  • Monitors 8 (MAX1220) or 16 Voltages(MAX1257/MAX1258) Using 12-Bit, 225ksps ADC
  • Controls 8 Output Voltage Level with 12-Bit, Octal,2µs Settling DAC with Ultra-Low Glitch Energy (4n x VS)
  • Measures Temperature with Internal ±1°C Accurate Temperature Sensor
  • Options for Using Either Internal 2.5V (MAX1257)Reference, 4.096V (MAX1220/MAX1258)Reference or External Reference
  • Includes 4 (MAX1220) or 12 (MAX1257/1258)GPIOs

Lower Processor Requirements and Minimize Power Consumption and Heat Dissipation

• On-Chip FIFO, Channel-Scan Mode and Data Averaging
• Autoshutdown Between Conversions
• Low-Power ADC
  • 2.5mA at 225ksps
  • 22µA at 1ksps

Low-Power DAC: 1.5mA

TQFN Package with Exposed Pad

Enable Maximum Dynamic Range with Availability of 2 Analog Power Supply Options: +2.7V to +3.6V (MAX1257) or +4.75V to +5.25V (MAX1220/MAX1258)