AD5064 Datasheet

• Low power quad 16-bit DAC, ±1 LSB INL
• Pin compatible and performance upgrade to AD5666
• Individual and common voltage reference pin options
• Rail-to-rail operation
• 4.5 V to 5.5 V power supply
• Power-on reset to zero scale or midscale
• 3 power-down functions and per-channel power-down
• Hardware LDAC with software LDAC override function
• CLR function to programmable code
• SDO daisy-chaining option
• 14-/16-lead TSSOP
• Internal reference buffer and internal output amplifier 

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

The AD5064 are low power, quad 16-bit buffered voltage output nanoDAC^® DACs that offer relative accuracy specifications of 1 LSB INL and 1 LSB DNL with individual reference pins and can operate from a single 4.5 V to 5.5 V supply. The AD5064 parts also offer a differential accuracy specification of ±1 LSB. The parts use a versatile 3-wire, low power Schmitt trigger serial interface that operates at clock rates up to 50 MHz and is compatible with standard SPI, QSPI™, MICROWIRE™, and DSP interface standards. Integrated reference buffers and output amplifiers are also provided on-chip. The AD5064 / AD5064-1 incorporate a power-on reset circuit that ensures the DAC output powers up to zero scale or midscale and remains there until a valid write takes place to the device. The AD5064 / AD5064-1 contain a power-down feature that reduces the current consumption of the device to typically 400 nA at 5 V and provides software selectable output loads while in power- down mode. Total unadjusted error for the parts is <2 mV.

Product Highlights

1. Quad channel available in 16-lead TSSOP package.
2. 16-bit accurate, 1 LSB INL.
3. Low glitch on power-up.
4. High speed serial interface with clock speeds up to 50 MHz.
5. Reset to known output voltage (zero scale or midscale).