32-Channel, 16-Bit, Voltage-Output

DACs with Serial Interface

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3

ELECTRICAL CHARACTERISTICS—MAX5732 (0 to +5V Output Voltage Range) (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Capacitive Load to Ground

50

100

pF

DC Output Impedance

0.1

Ω

Sourcing, full-scale code, output connected

to AGND

5

Short-Circuit Current

Sinking, zero-scale code, output connected

-5

mA

GROUND-SENSE ANALOG INPUT (GS)

Input Voltage Range

Relative to AGND

-0.5

+0.5

V

GS Gain

0.995

1.000

1.005

V/V

Input Resistance

-0.5V

35

k

Ω

REFERENCE INPUT (REF)

Input Resistance

1M

Ω

Reference Input Voltage Range

Referred to REFGND

2.900

3.000

3.100

V

DIGITAL INPUTS (

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

0.7

×

Input-Voltage High

2.4

V

Input-Voltage Low

0.8

V

Input Capacitance

10

pF

Input Current

±1

µA

Output-Amplifier Positive Supply

Voltage

4.75

5.50

V

Output-Amplifier Negative Supply

Voltage

-0.5

0V

Output-Amplifier Supply Voltage

Difference

5.75

V

Analog Supply Voltage

4.75

5.25

V

Digital Supply Voltage

2.70

5.25

V

10

15

mA

Analog Supply Current

Software shutdown

10

µA

2.5

3.5

Digital Supply Current

5

6.5

mA

4

10

mA

Output-Amplifier Positive Supply

Current

Software shutdown

20

µA

-4

-10

mA

Output-Amplifier Negative Supply

Current

Software shutdown

-20

µA

Power-Supply Rejection Ratio

PSRR

-95

dB