The part incorporates a power-on-reset circuit that depending on model ensures that the DAC output powers up to zero volts or midscale and remains there until a valid write takes place. Power consumption is typically 250 µA and the part contains a power-down feature that reduces the current consumption of the device to 1 µA at 5 V with software selectable output loads while in power-down mode.
The AD5662 utilizes a versatile three-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI™, QSPI™, MICROWIRE™ and DSP interface standards. Its on-chip precision output amplifier allows rail-to rail output swing to be achieved.
- 16-Bit monotonic DAC; 12-Bit accuracy guaranteed.
- Available in 8-lead SOT-23 and 8-lead MSOP package.
- Power-on-reset to zero or midscale.
- Low power. Operates with 2.7 V to 5.5 V supply. Typically consumes 0.35 mW at 3 V and 0.7 mW at 5 V, making it ideal for battery-powered applications.
- Power-down capability. When powered down, the DAC typically consumes 50 nA at 3 V and 200 nA at 5 V
- 10 µs settling time.
- Process control
- Data acquisition systems
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
The Evaluation board for the AD5662 contains a USB connection and software allowing the AD5662 to be controlled from a PC.
The evaluation board is no longer available to order. Documentation details will remain available for customers who already have purchased this evaluation board.
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