AD5662 Datasheet

• Low power (250 μA @ 5 V) single 16-bit nanoDAC
• 12-bit accuracy guaranteed Tiny 8-lead SOT-23/MSOP package
• Power-down to 480 nA @ 5 V, 100 nA @ 3 V
• Power-on reset to zero scale/midscale 
• 2.7 V to 5.5 V power supply
• Guaranteed 16-bit monotonic by design
• 3 power-down functions
• Serial interface with Schmitt-triggered inputs
• Rail-to-rail operation
• SYNC interrupt facility
• Temperature range −40°C to +125°C
• Qualified for automotive applications 

• Process control
• Data acquisition systems
• Portable battery-powered instruments
• Digital gain and offset adjustment
• Programmable voltage and current sources
• Programmable attenuators

The AD5662, a member of the nanoDAC family, is a low power, single, 16-bit buffered voltage-out DAC that operates from a single 2.7 V to 5.5 V supply and is guaranteed monotonic by design.

The AD5662 requires an external reference voltage to set the output range of the DAC. The part incorporates a power-on reset circuit that ensures the DAC output powers up to 0 V (AD5662x-1) or to midscale (AD5662x-2), and remains there until a valid write takes place. The part contains a power-down feature that reduces the current consumption of the device to 480 nA at 5 V and provides software-selectable output loads while in power-down mode.

The low power consumption of this part in normal operation makes it ideally suited to portable battery-operated equipment. The power consumption is 0.75 mW at 5 V, going down to 2.4 μW in power-down mode.

The AD5662’s on-chip precision output amplifier allows rail-to-rail output swing to be achieved. For remote sensing applications, the output amplifier’s inverting input is available to the user.

The AD5662 uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz, and is compatible with standard SPI^®, QSPI^™, MICROWIRE^™, and DSP interface standards.