+5V, Low-Power, Voltage-Output,

Serial 12-Bit DACs

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7

____________________________Typical Operating Characteristics (continued)

20

-30

1

MAX531

GAIN AND PHASE vs. FREQUENCY

-10

10

FREQUENCY (kHz)

10

100

0

-20

800

-180

0

180

GAIN

PHASE

RFB CONNECTED TO AGND (G=2)

RFB CONNECTED TO VOUT (G=1)

2.0520

2.0490

0

5.0

MAX531 REFERENCE OUTPUT VOLTAGE

vs. REFERENCE LOAD CURRENT

2.0495

2.0515

REFERENCE LOAD CURRENT (mA)

3.0

2.0505

2.0500

1.0

2.0

4.0

2.0510

0.5

1.5

2.5

3.5

4.5

A: CS RISING EDGE, 5V/div

B: VOUT, NO LOAD, 1V/div

A

B

NEGATIVE SETTLING TIME (MAX531)

5

µs/div

DIGITAL FEEDTHROUGH

A

B

CS = HIGH

A: DIN = 4Vp-p, 100kHz

B: VOUT, 10mV/div

2

µs/div

A

B

POSITIVE SETTLING TIME (MAX531)

A: CS RISING EDGE, 5V/div

B: VOUT, NO LOAD, 1V/div

5

µs/div