MAX5232EEE datasheet(5/18 Pages) MAXIM

5 / 18 page

3V/5V, 10-Bit, Serial Voltage-Output Dual DACs

with Internal Reference

_______________________________________________________________________________________

Note 1: Accuracy is guaranteed as shown in the following table:

Note 2: Offset is measured at the code closest to 12mV.

Note 3: Temperature coefficient is determined by the box method in which the maximum

∆VOUT over the temperature range is

divided by

∆T.

Note 4: DC crosstalk is measured as follows: set DAC A to midscale, and DAC B to zero, and measure DAC A output; then change

DAC B to full scale, and measure

∆VOUT for DAC A. Repeat the same measurement with DAC A and DAC B interchanged.

DC crosstalk is the maximum

∆VOUT measured.

Note 5: Accuracy is better than 1LSB for VOUT_ = 12mV to VDD - 180mV.

Note 6: Guaranteed by design, not production tested.

Note 7: RLOAD =

∞ and digital inputs are at either VDD or DGND.

ACCURACY GUARANTEED

VDD

(V)

FROM CODE

TO CODE

1023

TIMING CHARACTERISTICS—MAX5233

(VDD = +4.5V to +5.5V, AGND = DGND = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

(Figures 1 and 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SCLK Clock Period

tCP

SCLK Pulse Width High

tCH

SCLK Pulse Width Low

tCL

CS Fall to SCLK Rise Setup Time

tCSS

SCLK Rise to

CS Rise Hold Time

tCSH

0ns

DIN Setup Time

tDS

DIN Hold Time

tDH

0ns

CLOAD = 200pF

100

SCLK Rise to DOUT Valid

Propagation Delay Time

tDO1

CLOAD = 100pF

CLOAD = 200pF

100

SCLK Fall to DOUT Valid

Propagation Delay Time

tDO2

CLOAD = 100pF

SCLK Rise to

CS Fall Delay

tCS0

CS Rise to SCLK Rise Hold Time

tCS1

CS Pulse Width High

tCSW

LDAC Pulse Width Low

tLDL

CS Rise to LDAC Rise Hold Time

tCSLD

(Note 8)

ELECTRICAL CHARACTERISTICS—MAX5232 (continued)

(VDD = +2.7V to +3.6V, OS_ = AGND = DGND = 0, RL = 5k

Ω, CL = 100pF, TA = TMIN to TMAX, unless otherwise noted. Typical val-

ues are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLIES

Power-Supply Voltage

VDD

2.7

3.6

Power-Supply Current (Note 7)

IDD

420

475

µA

Full power-down mode

0.9

One DAC shutdown mode

320

360

Power-Supply Current in Power-Down

and Shutdown Modes (Note 7)

Both DACs shutdown mode

220

245

µA

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