DAC8544 datasheet(3/20 Pages) TI

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DAC8544

SLAS420 – MAY 2004

ELECTRICAL CHARACTERISTICS (continued)

DD = + 2.7 V to + 5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; all specifications –40°C to +105°C unless otherwise noted

DAC8544

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RL = ∞

470

Capacitive Load Stability

RL = 2 kΩ

1000

Digital-to-Analog Glitch Impulse

nV-s

Digital Feedthrough

0.5

nV-s

DC Output Impedance

Ω

VDD = +5 V

Short-Circuit Current

VDD = +3 V

Coming out of power-down mode,

2.5

VDD = +5 V

Power-Up Time

µs

Coming out of power-down mode,

VDD = +3 V

REFERENCE INPUT

VREF+ Input Range

VDD

VREF– Input Range

–0.1

0.0

VDD/2

Reference Input Impedance

140

Ω

LOGIC INPUTS

Input Current

±1

µA

VINL, Input Low Voltage

IOVDD = +1.8 V – +5.5 V

0.3 x IOVDD

VINH, Input High Voltage

IOVDD = +1.8 V – +5.5 V

0.7 x IOVDD

Pin Capacitance

POWER REQUIREMENTS

VDD

2.7

5.5

IOVDD

1.8

5.5

IDD (Normal Mode)

DAC active and excluding load current

VDD = +3.6 V to +5.5 V

VIH = IOVDD and VIL = IOGND

1.0

1.6

VDD = +2.7 V to +3.6 V

VIH = IOVDD and VIL = IOGND

0.96

1.52

IDD (All Power-Down Modes)

VDD = +3.6 V to +5.5 V

VIH = IOVDD and VIL = IOGND

0.2

µA

VDD = +2.7 V to +3.6 V

VIH = IOVDD and VIL = IOGND

0.05

POWER EFFICIENCY

IOUT/IDD

ILOAD = 2 mA, VDD = +5 V

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