MAX5590 datasheet(3/33 Pages) MAXIM

3 / 33 page

Buffered, Fast-Settling, Octal, 12/10/8-Bit,

Voltage-Output DACs

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ELECTRICAL CHARACTERISTICS (continued)

(AVDD = 2.7V to 5.25V, DVDD = 1.8V to AVDD, AGND = 0, DGND = 0, VREF = 2.5V (for AVDD = 2.7V to 5.25V), VREF = 4.096V (for

AVDD = 4.5V to 5.25V), RL = 10k

Ω, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Power-Supply Rejection

Ratio

PSRR

Full-scale output, AVDD = 2.7V to 5.25V

200

µV/V

REFERENCE INPUT

Reference Input Range

VREF

0.25

AVDD

Reference Input

Resistance

RREF

Normal operation (no code dependence)

145

200

Ω

Reference Leakage

Current

Shutdown mode

0.5

µA

DAC OUTPUT CHARACTERISTICS

Unity gain

SLOW mode, full scale

Force sense

Unity gain

140

Output Voltage Noise

FAST mode, full scale

Force sense

110

µVRMS

Unity-gain output

AVDD

Output Voltage Range

(Note 3)

Force-sense output

AVDD / 2

DC Output Impedance

Ω

AVDD = 5V, OUT_ to AGND, full scale, FAST mode

Short-Circuit Current

AVDD = 3V, OUT_ to AGND, full scale, FAST mode

Power-Up Time

From VDD applied until interface is functional

µs

Wake-Up Time

Coming out of shutdown, outputs settled

µs

Output OUT_ and FB_

Open-Circuit Leakage

Current

Programmed in shutdown mode, force-sense

outputs only

0.01

µA

DIGITAL OUTPUTS (UPIO_)

Output High Voltage

VOH

ISOURCE = 2mA

DVDD -

0.5

Output Low Voltage

VOL

ISINK = 2mA

0.4

DIGITAL INPUTS (SCLK,

CS, DIN, DSP, UPIO_)

DVDD

≥ 2.7V

2.4

Input High Voltage

VIH

DVDD < 2.7V

0.7 x

DVDD

DVDD > 3.6V

0.8

2.7V

≤ DVDD ≤ 3.6V

0.6

Input Low Voltage

VIL

DVDD < 2.7V

0.2

Input Leakage Current

IIN

±0.1

±1

µA

Input Capacitance

CIN

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