Quad, Serial 8-Bit DACs

with Rail-to-Rail Outputs

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5

12

0

0

1.2

OUTPUT SINK CURRENT

2

10

0.8

6

4

0.2

0.6

1.0

8

0.4

ALL DIGITAL INPUTS = 00 HEX

-25

0

3.6

4.6

-20

4.4

-10

-5

3.8

4.0

-15

OUTPUT SOURCE CURRENT

vs. OUTPUT VOLTAGE

4.8

5.0

4.2

DIGITAL INPUT = FF HEX

7

0

-60

-20

40

100

SUPPLY CURRENT

vs. TEMPERATURE

2

6

TEMPERATURE (

°C)

20

80

4

5

3

1

-40

0

60

120 140

VREF = -4.75

ALL DIGITAL INPUTS = +5V

6

0

-5

5

SUPPLY CURRENT

vs. REFERENCE VOLTAGE

1

5

VREF VOLTAGE (V)

0

3

2

-4

-2

2

4

4

3

1

-1

-3

ALL LOGIC

INPUTS = +5V

0

1k

10k

100k

REFERENCE VOLTAGE INPUT

FREQUENCY RESPONSE

-40

FREQUENCY (Hz)

-30

-20

-10

1M

10M

VREF = 2.5VDC + 0.5Vp-p SINE WAVE

-40

-90

02

6

10

THD + NOISE AT DAC OUTPUT

vs. REFERENCE AMPLITUDE

-80

-50

REFERENCE AMPLITUDE (Vp-p)

48

-60

-70

-85

-75

-65

-55

-45

1%

0.01%

0.1%

FREQ = 20kHz

FREQ = 1kHz

INPUT CODE = FF HEX

-20

-80

10

1k

100k

THD + NOISE AT DAC OUTPUT

vs. REFERENCE FREQUENCY

-70

REFERENCE FREQUENCY (Hz)

-60

-50

-40

-90

-30

100

10k

VREF = 8Vp-p

VREF = 1Vp-p

VREF = 4Vp-p

INPUT CODE = FF HEX

FREQ = SWEPT

10%

1%

0.1%

0.01%

0

1k

10k

100k

REFERENCE VOLTAGE INPUT

FREQUENCY RESPONSE

-40

FREQUENCY (Hz)

-30

-20

-10

1M

10M

VREF = 2.5VDC + 0.05Vp-p SINE WAVE

0

1k

10k

100k

REFERENCE VOLTAGE INPUT

FREQUENCY RESPONSE

-40

FREQUENCY (Hz)

-30

-20

-10

1M

10M

VREF = 2.5VDC + 4Vp-p SINE WAVE

__________________________________________Typical Operating Characteristics