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Typical operating characteristics (continued) – Rainbow Electronics MAX5139 User Manual

Page 7

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MAX5138/MAX5139

SETTLING TIME DOWN

MAX5138 toc19

400ns/div

500mV/div

DIGITAL FEEDTHROUGH

MAX5138 toc20

40ns/div

V

OUT

SCLK

5V/div

50mV/div

Low-Power, Single, 16-/12-Bit,

Buffered Voltage-Output DACs

_______________________________________________________________________________________

7

DIGITAL SUPPLY CURRENT

vs. DIGITAL SUPPLY VOLTAGE

MAX5138 toc21

DIGITAL SUPPLY VOLTAGE (V)

DIGITAL SUPPLY CURRENT (

μ

A)

4.7

4.2

3.7

3.2

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0

2.7

5.2

V

AVDD

= 5.25V

f

SCLK

= 1MHz

REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

MAX5138 toc22

SUPPLY VOLTAGE (V)

V

REFO

(V)

4.7

4.2

3.7

3.2

2.4350

2.4355

2.4360

2.4365

2.4370

2.4375

2.4380

2.4385

2.4390

2.4345

2.7

5.2

T

A

= +25

°C

T

A

= +105

°C

T

A

= -40

°C

REFERENCE VOLTAGE

vs. TEMPERATURE

MAX5138 toc23

TEMPERATURE (

°C)

V

REFO

(V)

80

60

-20

0

20

40

2.4350

2.4355

2.4360

2.4365

2.4370

2.4375

2.4380

2.4385

2.4345

-40

100

DIGITAL SUPPLY CURRENT

vs. DIGITAL INPUT VOLTAGE

MAX5138 toc24

DIGITAL INPUT VOLTAGE (V)

DIGITAL SUPPLY CURRENT (

μ

A)

4

1

2

3

5

500

1000

1500

2000

2500

0

0

6

V

AVDD

= V

DVDD

= 5.25V

UP

DOWN

FULL-SCALE OUTPUT

vs. TEMPERATURE

MAX5138 toc25

TEMPERATURE (

°C)

OUTPUT VOLTAGE (V)

80

60

-20

0

20

40

2.44

2.45

2.46

2.47

2.48

2.49

2.50

2.51

2.43

-40

100

EXTERNAL REF = 2.5V

INTERNAL REF

OUTPUT VOLTAGE

vs. SUPPLY CURRENT

MAX5138 toc26

OUTPUT CURRENT (mA)

OUTPUT VOLTAGE (V)

20

10

2.41

2.42

2.43

2.44

2.45

2.40

0

30

V

AVDD

= 5V

V

AVDD

= 3.3V

Typical Operating Characteristics (continued)

(T

A

= +25°C, unless otherwise noted.)