AD5063BRMZ

Fully Accurate 16-Bit VOUT nanoDAC SPI Interface 2.7 V to 5.5 V in an MSOP AD5063 Data Sheet FEATURES FUNCTIONAL BLOCK DIAGRAM Single 16-bit DAC, 1 LSB INL Power-on reset to midscale Guaranteed monotonic by design 3 power-down functions Low power serial interface with Schmitt-triggered inputs 10-lead MSOP, low power Fast settling time of 1 µs maximum (AD5063-1 model) 2.7 V to 5.5 V power supply Low glitch on power-up Unbuffered voltage capable of driving 60 kΩ load SYNC interrupt facility VDD VREF POWER-ON RESET BUF AD5063 RFB INV DAC REGISTER REF(+) VOUT DAC AGND INPUT CONTROL LOGIC RESISTOR NETWORK 04766-001 POWER-DOWN CONTROL LOGIC APPLICATIONS SYNC SCLK DACGND DIN Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators Figure 1. GENERAL DESCRIPTION The AD5063, a member of the Analog Device Inc., nanoDAC™ family, is a low power, single 16-bit, unbuffered voltage-output DAC that operates from a single 2.7 V to 5 V supply. The device offers a relative accuracy specification of ±1 LSB, and operation is guaranteed monotonic with a ±1 LSB DNL specification. The AD5063 comes with on-board resistors in a 10-lead MSOP, allowing bipolar signals to be generated with an output amplifier. The device uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and that is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The reference for the AD5063 is supplied from an external VREF pin. A reference buffer is also provided on-chip. The device incorporates a power-on reset circuit that ensures the DAC output powers up to midscale and remains there until a valid write to the device takes place. The device contains a power-down feature that reduces the current consumption of the device to typically 300 nA at 5 V and provides softwareselectable output loads while in power-down mode. The device is put into power-down mode via the serial interface. Total unadjusted error for the device is