Philips Semiconductors Linear Products

Product specification

NE5020

10-Bit

µP-compatible D/A converter

August 31, 1994

761

Figure 1. DC Parametric Test Configuration

0.47

µF

MSB

LSB

11 10 9 8 7 6 5 4

21

1

24

20

22

23

18

19

14

15

17

12

5020

COMP

AMP

SUM

ANA GND

DIG GND

LE1

VREF IN

VREF OUT

VOUT

VCC+

0.1

µF

VCC–

OUTPUT

5k

30pF

100pF

5.000V

LE2

13

16

–VREF IN

3 2

Figure 2. AC Parametric Test Configuration

MSB

LSB

11 10 9 8 7 6 5 4

21

1

24

20

22

23

18

19

14

15

17

12

5020

COMP

AMP

SUM

ANA GND

DIG GND

13

16

3 2

0.47

µF

LE1

VOUT

VCC+

0.1

µF

VCC–

LE2

–VREF IN

OUTPUT

5k

30pF

100pF

Figure 3. Full-/Zero-Scale Adjust — Unipolar Output (0–10V)

MSB

LSB

11 10 9 8 7 6 5 4

21

1

24

20

22

23

18

19

14

15

17

12

5020

COMP

AMP

SUM

ANA GND

DIG GND

13

16

3 2

0.47

µF

LE1

VREF IN

VREF OUT

VOUT

VCC+

0.1

µF

VCC–

LE2

–VREF IN

10k

10T

80k

FULL SCALE

ADJUST

VREF ADJ

OUTPUT

5k

30pF

100pF

1M

VCC+

20k

10T

ZERO SCALE

ADJUST

VCC–

Figure 4. Bipolar Output Operation (–5 to +5V)

MSB

LSB

11 10 9 8 7 6 5 4

21

1

24

20

22

23

18

19

14

15

17

12

5020

COMP

AMP

SUM

ANA GND

DIG GND

13

16

3 2

0.47

µF

LE1

VREF IN

VREF OUT

VOUT

VCC+

0.1

µF

VCC–

LE2

–VREF IN

10k

10T

80k

VREF ADJ

OUTPUT

5k

30pF

100pF

1M

VCC+

20k

10T

FULL SCALE

ADJUST

VCC–

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