The MAX5232/MAX5233 low-power, dual 10-bit voltage-output digital-to-analog converters (DACs) feature an internal 10ppm/°C precision bandgap voltage reference and precision output amplifiers. The MAX5233 operates on a single 5V supply with an internal 2.465V reference and features a 4.092V full-scale output range. The MAX5232 operates on a single 3V supply with an internal 1.234V reference and features a 2.046V full-scale output range. The MAX5233 consumes only 470µA while the MAX5232 consumes only 420µA of supply current. Both devices feature low-power (2µA) software- and hardware-enabled shutdown modes.
The MAX5232/MAX5233 feature a 13.5MHz SPI™-, QSPI™-, and MICROWIRE™-compatible 3-wire serial interface. An additional data output (DOUT) allows for daisy-chaining and read back. Each DAC has a double-buffered digital input. The MAX5232/MAX5233 feature two software-selectable shutdown output impedances: 1kΩ or 200kΩ. A power-up reset feature sets DAC outputs at ground or at the midscale DAC code.
The MAX5232/MAX5233 are specified over the extended temperature range (-40°C to +85°C) and are available in 16-pin QSOP packages.
Key Features
Applications/Uses
Internal 10ppm/°C Precision Bandgap Reference
2.465V (MAX5233)
1.234V (MAX5232)
30ppm/°C (max) Full-Scale Output Range
4.092V (MAX5233)
2.046V (MAX5232)
Single-Supply Operation
5V (MAX5233)
3V (MAX5232)
Low Supply Current
470µA (MAX5233)
420µA (MAX5232)
13.5MHz SPI/QSPI/MICROWIRE-Compatible,
3-Wire Serial Interface
Pin-Programmable Power-Up Reset State to Zero or Midscale Output Voltage
Programmable Shutdown Modes with 1kΩ or
200kΩ Internal Output Loads
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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