MAX5734 datasheet(9/26 Pages) MAXIM

Part #	MAX5734

Description	32-Channel, 16-Bit, Voltage-Output DACs with Serial Interface

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Manufacturer	MAXIM [Maxim Integrated Products]

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32-Channel, 16-Bit, Voltage-Output

DACs with Serial Interface

_______________________________________________________________________________________

9

ELECTRICAL CHARACTERISTICS—MAX5735 (-5V to +5V Output Voltage Range) (continued)

(AVCC = +5.25V to +5.5V, AVDD = +5V ±5%, DVDD = +2.7V to AVDD, VSS = -5.25V to -5.5V, AGND = DGND = REFGND = GS = 0,

program the offset DAC to 8000hex. VREF = +3.0V, RL =

∞, CL = 50pF referenced to ground, TA = TMIN to TMAX, unless otherwise

noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DIGITAL INPUTS (

CS, SCLK, DIN, LDAC, CLR, DSP)

DVDD = +2.7V to +3.6V

0.7

×

DVDD

Input-Voltage High

VIH

DVDD = +4.75V to 5.25V

2.4

V

Input-Voltage Low

VIL

0.8

V

Input Capacitance

CIN

10

pF

Input Current

IIN

Digital inputs = 0 or DVDD

±1

µA

POWER REQUIREMENTS (AVCC, VSS, AGND, AVDD, DVDD, DGND)

Output-Amplifier Positive Supply

Voltage

AVCC

4.75

5.50

V

Output-Amplifier Negative Supply

Voltage

VSS

-5.50

-4.75

V

Output-Amplifier Supply Voltage

Difference

AVCC - VSS

11

V

Analog Supply Voltage

AVDD

4.75

5.25

V

Digital Supply Voltage

DVDD

2.70

5.25

V

VOUT0 through VOUT31 = 0

10

15

mA

Analog Supply Current

AIDD

Software shutdown

10

µA

VIH = DVDD, VIL = 0, fSCLK = 20MHz

2.5

3.5

Digital Supply Current

DIDD

VIH = +2.4V, VIL = +0.8V, fSCLK = 20MHz

5

6.5

mA

VOUT0 through VOUT31 = 0

4

10

mA

Output-Amplifier Positive Supply

Current

AICC

Software shutdown

20

µA

VOUT0 through VOUT31 = 0

-4

-10

mA

Output-Amplifier Negative Supply

Current

ISS

VSS = -0.5V

Software shutdown

-20

µA

Power-Supply Rejection Ratio

PSRR

-95

dB

Note 1: AVCC should be at least 0.25V higher than the maximum output voltage required from the DAC. Full-scale output is 5V for

the MAX5732.

Note 2: Linearity guaranteed from code 2047 to full scale and from (VSS + 0.3V) to (AVCC - 0.3V).

Note 3: DNL guaranteed over all codes for (VSS + 0.3V) to (AVCC - 0.3V).

Note 4: Zero-scale error is measured at code 0. Full-scale error is measured at code FFFFhex.

Note 5: DC crosstalk is the change in the output level of one DAC at midscale in response to the full-scale output change of all

other DACs.

Note 6: Digital feedthrough is a measure of the impulse injected into the analog outputs from the digital control inputs when the

device is not being written to. It is measured with a worst-case change on the digital inputs.

Note 7: Digital crosstalk is the glitch impulse transferred to the output of one DAC at midscale while a full-scale code change is written

into another DAC.

Note 8: DAC-to-DAC crosstalk is the glitch impulse that appears at the output of one converter due to both the digital change and

subsequent analog output change at another converter.

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