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Typical operating characteristics (continued) – Rainbow Electronics MAX539 User Manual

Page 7

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MAX531/MAX538/MAX539

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

Serial 12-Bit DACs

_______________________________________________________________________________________

7

____________________________Typical Operating Characteristics (continued)

(V

DD

= +5V, V

REFIN

= 2.048V, T

A

= +25°C, unless otherwise noted.)

20

-30

1

MAX531

GAIN AND PHASE vs. FREQUENCY

-10

10

MAX531-10

FREQUENCY (kHz)

GAIN (dB)

10

100

0

-20

800

-180

0

180

GAIN

PHASE

RFB CONNECTED TO AGND (G=2)
RFB CONNECTED TO VOUT (G=1)

PHASE (degrees)

2.0520

2.0490

0

5.0

MAX531 REFERENCE OUTPUT VOLTAGE

vs. REFERENCE LOAD CURRENT

2.0495

2.0515

MAX531-14

REFERENCE LOAD CURRENT (mA)

REFERENCE OUTPUT (V)

3.0

2.0505

2.0500

1.0

2.0

4.0

2.0510

0.5

1.5

2.5

3.5

4.5

V

DD

= ±5V, V

REFIN

= 2V, BIPOLAR CONFIGURATION

A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div

A

B

NEGATIVE SETTLING TIME (MAX531)

5

µ

s/div

DIGITAL FEEDTHROUGH

A

B

CS = HIGH
A: DIN = 4Vp-p, 100kHz
B: VOUT, 10mV/div

2

µ

s/div

A

B

POSITIVE SETTLING TIME (MAX531)

V

DD

= ±5V, V

REFIN

= 2V, BIPOLAR CONFIGURATION

A: CS RISING EDGE, 5V/div
B: VOUT, NO LOAD, 1V/div

5

µ

s/div