DAC8562SDSCR 16-Bit Dual DAC Low Glitch Wide Voltage (2.7V-5.5V), SPI Precision

Product Specification

DAC8562SDSCR 16-Bit Dual DAC Low Glitch Wide Voltage (2.7V-5.5V), SPI Precision (±4LSB) Tiny VSSOP Ideal for Industrial & Automotive

Features

• Relative Accuracy:

  – DAC756x (12-Bit): 0.3 LSB INL

  – DAC816x (14-Bit): 1 LSB INL

  – DAC856x (16-Bit): 4 LSB INL

• Glitch Impulse: 0.1 nV-s

• Bidirectional Reference: Input or 2.5-V Output

  – Output Disabled by Default

  – ±5-mV Initial Accuracy (Max)

  – 4-ppm°C Temperature Drift (Typ)

  – 10-ppm/°C Temperature Drift (Max)

  – 20-mA Sink and Source Capability

• Power-On Reset to Zero Scale or Mid-Scale

• Low-Power: 4 mW (Typ, 5-V AVDD, Including Internal Reference Current)

• WidePower-Supply Range: 2.7 V to 5.5 V

• 50-MHz SPI With Schmitt-Triggered Inputs

• LDACandCLRFunctions

• Output Buffer With Rail-to-Rail Operation

• Packages: WSON-10 (3 mm × 3 mm), VSSOP-10

• Temperature Range:–40°C to 125°C

Applications

• Portable Instrumentation

• PLCAnalog Output Module

• Closed-Loop Servo Control

• Voltage Controlled Oscillator Tuning

• Data Acquisition Systems

• Programmable Gain and Offset Adjustment

Description

The DAC756x, DAC816x, and DAC856x devices are low-power, voltage-output, dual-channel, 16-, 14-, and 12-bit digital-to-analog converters (DACs), respectively. These devices include a 2.5-V, 4-ppm/°C internal reference, giving a full-scale output voltage range of 2.5 V or 5 V. The internal reference has an initial accuracy of ±5 mV and can source or sink up to 20 mA at the VREFIN/VREFOUT pin.

These devices are monotonic, providing excellent linearity and minimizing undesired code-to-code transient voltages (glitch). They use a versatile three wire serial interface that operates at clock rates up to 50 MHz. The interface is compatible with standard SPI™, QSPI™, Microwire, and digital signal processor (DSP) interfaces. The DACxx62 devices incorporate a power-on-reset circuit that ensures the DAC output powers up and remains at zero scale until a valid code is written to the device, whereas the DACxx63 devices similarly power up at mid-scale. These devices contain a power-down feature that reduces current consumption to typically 550 nA at 5 V. The low power consumption, internal reference, and small footprint make these devices ideal for portable, battery-operated equipment.

The DACxx62 devices are drop-in and function compatible with each other, as are the DACxx63 devices. The entire family is available in MSOP-10 and SON-10 packages.

INFORMATION

Drawing

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