DAC8571 datasheet(4/1 Pages) TI

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DAC8571

SLAS373A – DECEMBER 2002 – REVISED JULY 2003

ELECTRICAL CHARACTERISTICS (continued)

DD = +2.7 V to +5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; low power mode; all specifications -40°C to 105°C (unless

otherwise noted)

DAC8571

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OUTPUT CHARACTERISTICS (2)

Output voltage range

VREF

Output voltage settling time (full

RL = 2 kΩ; CL < 200 pF, fast settling

µs

scale)

RL = 2 kΩ; CL = 500 pF, fast settling

µs

RL = 2 kΩ; CL < 200 pF, low power

µs

Slew rate

RL = 2 kΩ; CL < 200 pF, fast settling

V/µs

RL = 2 kΩ; CL < 200 pF, low power

0.5

Capacitive load stability

RL = ∞

470

RL = 2 kΩ

1000

Digital-to-analog glitch impulse

nV-s

Digital feedthrough

0.5

nV-s

DC output impedance

Ω

Short circuit current

VDD = +5 V

VDD = +3 V

Power-up time

Coming out of power-down mode, VDD = +5 V

2.5

µs

Coming out of power-down mode, VDD = +3 V

µs

PSRR

0.75

mV/V

REFERENCE INPUT

VREFH input range

VDD

Reference input impedance

140

Ω

LOGIC INPUTS (3)

Input current

±1

µA

VIN_L, Input low voltage

VDD = 2.7-5.5 V

0.3VDD

VIN_H0 , Input high voltage

VDD = 2.7-5.5 V

0.7VDD

Pin capacitance

POWER REQUIREMENTS

VDD

2.7

5.5

IDD (normal operation)

DAC active, Iref included

VDD = +4.5 V to +5.5 V

VIH = VDD, VIL = GND, fast settling

250

400

µA

VIH = VDD, VIL = GND, low power

160

225

VDD = +2.7 V to +3.6 V

VIH = VDD, VIL = GND, fast settling

240

380

µA

VIH = VDD, VIL = GND, low power

140

200

IDD (all power-down modes)

DAC active, Iref included

VDD = +4.5 V to +5.5 V

VIH = VDD and VIL = GND

0.2

µA

VDD = +2.7 V to +3.6 V

VIH = VDD and VIL = GND

0.05

µA

POWER EFFICIENCY

IOUT/IDD

IL = 2 mA, VDD = +5 V

93%

(2)

Assured by design and characterization, not production tested.

(3)

Assured by design and characterization, not production tested.

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