AD5324-EP Datasheet

• Enhanced product features
  • Supports defense and aerospace applications (AQEC)
  • Military temperature range (−55°C to +125°C)
  • Controlled manufacturing baseline
  • One assembly/test site
  • One fabrication site
  • Enhanced product change notification
  • Qualification data available on request
• Four buffered 12-Bit DACs in 10-lead MSOP
  • S Version: ±10 LSB INL
• Low power operation: 500 μA at 3 V, 600 μA at 5 V
• 2.5 V to 5.5 V power supply
• Guaranteed monotonic by design over all codes
• Power-down to 80 nA at 3 V, 200 nA at 5 V
• Double-buffered input logic
• Output range: 0 V to V_REF
• Power-on reset to 0 V
• Simultaneous update of outputs (LDAC function)
• On-chip, rail-to-rail output buffer amplifiers
• Temperature range –55°C to +125°C

• Portable battery-powered instruments
• Digital gain and offset adjustment
• Programmable voltage and current sources
• Programmable attenuators
• Industrial process control 

The AD5324-EP is a quad 12-bit buffered voltage output digital-to-analog converter (DAC) in a 10-lead MSOP package that operates from a single 2.5 V to 5.5 V supply, consuming 500 μA at 3 V. The on-chip output amplifiers allows rail-to-rail output swing to be achieved with a slew rate of 0.7 V/μs. A 3-wire serial interface is used; it operates at clock rates up to 30 MHz and is compatible with standard serial peripheral interface (SPI), QSPI™, MICROWIRE™, and DSP interface standards.

The references for the four DACs are derived from one reference pin. The outputs of all DACs can be updated simultaneously using the software LDAC function. The part incorporates a power-on reset circuit and ensures that the DAC outputs power up to 0 V and remains there until a valid write takes place to the device. The part contains a power-down feature that reduces the current consumption of the device to 200 nA at 5 V (80 nA at 3 V).

The low power consumption of this part in normal operation makes it ideally suited to portable battery-operated equipment. The power consumption is 3 mW at 5 V, and 1.5 mW at 3 V, reducing to 1 μW in power-down mode.

Full details about this enhanced product are available in the AD5324 data sheet, which must be consulted in conjunction with this data sheet.