DAC7750IPWPR.B datasheet(8/56 Pages) TI2

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7.5 Electrical Characteristics (continued)

at AVDD = 10 V to 36 V, GND = 0 V, REFIN = 5 V external, DVDD = 2.7 V to 5.5 V, and all specifications are from –40°C to

+125°C (unless otherwise noted); for IOUT, RL = 300 Ω; typical specifications are at 25°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INTERNAL REFERENCE OUTPUT

Reference output

TA = 25°C

4.995

5.005

Reference temperature coefficient(2)

TA = –40°C to +85°C

±10

ppm/°C

Output noise (0.1 Hz to 10 Hz)

TA = 25°C

μVPP

Noise spectral density

TA = 25°C, 10 kHz

185

nV/√ Hz

Capacitive load

600

Load current

±5

Short-circuit current

REFOUT shorted to GND

Load regulation

AVDD = 24 V, TA = 25°C, sourcing

μV/mA

AVDD = 24 V, TA = 25°C, sinking

120

Line regulation

±1.2

μV/V

DVDD INTERNAL REGULATOR

Output voltage

AVDD = 24 V

4.6

Output load current(2)

Load regulation

3.5

mV/mA

Line regulation

mV/V

Short-circuit current

AVDD = 24 V, to GND

Capacitive load stability(2)

2.5

μF

DIGITAL INPUTS

High-level input voltage, VIH

Low-level input voltage, VIL

3.6 V < AVDD < 5.5 V

0.8

2.7 V < AVDD < 3.6 V

0.6

Hysteresis voltage

0.4

Input current

DVDD-EN, VIN ≤ 5 V

–2.7

μA

All pins other than DVDD-EN

±1

Pin capacitance

Per pin

DIGITAL OUTPUTS

SDO

Low-level output voltage, VOL, sinking 200 μA

0.4

HIigh-level output voltage, VOH, sourcing 200 μA

DVDD – 0.5

High-impedance leakage

±1

μA

ALARM

Low-level output voltage,

VOL

10-kΩ pullup resistor to

DVDD

0.4

2.5 mA

0.6

High-impedance leakage

±1

μA

High-impedance output capacitance

POWER SUPPLY

AVDD

DVDD

Internal regulator disabled

2.7

5.5

AIDD

Outputs disabled, external DVDD

Outputs disabled, internal DVDD

Code = 0x0000, IOUT enabled

DIDD

VIH = DVDD, VIL = GND, interface idle

Power dissipation

AVDD = 36 V, IOUT = 0 mA, DVDD = 5 V

115

TEMPERATURE

Thermal alarm

142

°C

Thermal alarm hysteresis

°C

(1)

DAC8750 and DAC7750 current output range is set by writing to RANGE bits in control register at address 0x55.

(2)

Specified by design and characterization; not production tested.

DAC7750, DAC8750

SBAS538D – DECEMBER 2013 – REVISED DECEMBER 2021

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