DAC80508 datasheet(9/59 Pages) TI2

9 / 59 page

DAC80508, DAC70508, DAC60508

www.ti.com

SLASEL1D – JUNE 2017 – REVISED AUGUST 2018

Product Folder Links: DAC80508 DAC70508 DAC60508

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Electrical Characteristics (continued)

All minimum and maximum specifications at VDD= 2.7 V to 5.5 V, VIO = 1.7 V to 5.5 V, VREFIN = 1.25 V to 5.5 V, RLOAD = 2 kΩ

to GND, CLOAD = 200 pF to GND, digital inputs at VIO or GND, TA = –40°C to 125°C (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INTERNAL REFERENCE

Reference output voltage, VREFOUT

TA = 25°C

2.495

2.5

2.505

Reference output drift

DAC80508

ppm/°C

DAC70508 and DAC60508

Reference output impedance

0.1

Reference output noise

0.1 Hz to 10 Hz

µVpp

Reference output noise density

10 kHz, REFLOAD = 10 nF

130

nV/

√Hz

Reference load current

±5

Reference load regulation

Source and sink

100

µV/mA

Reference line regulation

µV/V

Reference output drift over time

TA = 25°C, 1600 hours

4.8

ppm

Reference thermal hysteresis

DAC80508. First cycle

ppm

DAC70508 and DAC60508. First cycle

190

Additional cycle

DIGITAL INPUTS

VIH

High-level input voltage

0.7 × VIO

VIL

Low-level input voltage

0.3 × VIO

Input current

±2

µA

Input pin capacitance

DIGITAL OUTPUTS: SDO/ALARM

VOH

High-level output voltage

ILOAD = 0.2 mA

VIO – 0.4

VOL

Low-level output voltage

ILOAD = -0.2 mA

0.4

Output pin capacitance

POWER SUPPLY REQUIREMENTS

IDD

VDD supply current

Active mode. Internal reference enabled. Gain = 1.

DAC code = full scale. Outputs unloaded. SPI static

Active mode. Internal reference disabled. Gain = 1.

DAC code = full scale. Outputs unloaded. SPI static

4.5

5.5

Power-down

µA

IIO

VIO supply current

µA

DAC80508 Datasheet(PDF) 9 Page - Texas Instruments

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