DAC8541YSLASH2K datasheet(3/21 Pages) TI

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DAC8541

SLAS353 − DECEMBER 2001

www.ti.com

electrical characteristics, DVDD = 1.8 V to 5.5 V; AVDD = 2.7 V to 5.5 V; RL = 2 kΩ to AGND;

CL = 200 pF to AGND; all specifications –40°C to 85°C (unless otherwise noted) (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

REFERENCE INPUT

Reference current

AVDD = VREFH = 5 V, VREFL = AGND

Reference current

AVDD = VREFH = 3.6 V, VREFL = AGND

µA

VREFH input range

VREFH>VREFL

AVDD

VREFL input range

−100

AGND

100

Reference input impedance

100

Ω

LOGIC INPUTS (see Note 2)

Input current

±1

µA

VINL, input low voltage

DVDD = 1.8 V to 5.5 V

0.3

×DVDD

VINH, input high voltage

DVDD = 1.8 V to 5.5 V

0.7

×DVDD

Pin input capacitance

POWER REQUIREMENTS

DVDD

1.8

5.5

DIDD

DAC active and excluding load current,

VIH = DVDD and VIL = DGND

0.2

1.0

µA

AVDD

2.7

5.5

AIDD (normal operation)

DAC active and excluding load current,

AVDD = 3.6 V to 5.5 V

DAC active and excluding load current,

VIH = DVDD and VIL = DGND

250

400

AVDD = 2.7 V to 3.6 V

VIH = DVDD and VIL = DGND

240

390

µA

AIDD (all power-down modes)

AVDD = 3.6 V to 5.5 V

VIH = DVDD and VIL = DGND

0.2

AVDD = 2.7 V to 3.6 V

VIH = DVDD and VIL = DGND

0.05

µA

POWER EFFICIENCY

IOUT/AIDD

I(LOAD) = 2 mA, AVDD = +5 V

89%

NOTE 2; Assured by design and characterization, not production tested.

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