DAC08Q datasheet(8/12 Pages) AD

No de pièce	DAC08Q

Description	8-Bit, High-Speed, Multiplying D/A Converter (Universal Digital Logic Interface)

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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REV. B

DAC08

–8–

V+, POSITIVE POWER SUPPLY – V dc

10

8

7

6

0

5

4

3

2

1

020

2

9

4

6

8

10

12

14

16

18

I–

I+

ALL BITS “HIGH” OR “LOW”

TPC 10. Power Supply Current vs. V+

V–, NEGATIVE POWER SUPPLY – V dc

10

8

7

6

0

5

4

3

2

1

–0

–20

–2

9

–4

–6

–8 –10 –12 –14 –16 –18

BITS MAY BE “HIGH” OR “LOW”

I– WITH IREF = 2mA

I– WITH IREF = 0.2mA

I+

I– WITH IREF = 1mA

TPC 11. Power Supply Current vs. V–

14

15

+VREF

IREF

RREF

IIN

RIN

VIN

14

15

R15

(OPTIONAL)

RREF

+VREF

HIGH INPUT

IMPEDANCE

+VREF MUST BE ABOVE PEAK POSITIVE SWING OF V IN

RREF

R15

IREF PEAK NEGATIVE SWING OF IIN

Figure 7. Accommodating Bipolar References

14

15

RREF

(R14)

R15

IREF

+VREF

6789 10 11 12

4

2

FOR FIXED REFERENCE,

TTL OPERATION,

TYPICAL VALUES ARE:

VREF = 10.000V

RREF = 5.000k

R15 = RREF

CC = 0.01 F

VLC = 0V (GROUND)

5

MSB

B1 B2 B3 B4 B5 B6 B7

LSB

B8

VREF (+)

VREF (–)

316

13

1

V–

CC

COMP

0.1 F

V–

V+

VLC

IO

IFR =

+VREF

RREF

255

256

IO + IO = IFR FOR

ALL LOGIC STATES

V+

Figure 8. Basic Positive Reference Operation

BASIC CONNECTIONS

TEMPERATURE – C

10

9

8

7

6

0

5

4

3

2

1

–50

0

50

100

150

I–

I+

ALL BITS “HIGH” OR “LOW”

IREF = 2.0mA

V– = –15V

V+ = +15V

TPC 12. Power Supply Current vs.

Temperature

14

IREF = 2.000mA

4

2

MSB

B1 B2 B3 B4 B5 B6 B7

LSB

B8

IO

5.000k

EO

FULL RANGE

HALF-SCALE +LSB

HALF-SCALE

HALF-SCALE –LSB

ZERO-SCALE +LSB

ZERO-SCALE

B1

1

0

B2

1

0

1

0

B3

1

0

1

0

B4

1

0

1

0

B5

1

0

1

0

B6

1

0

1

0

B7

1

0

1

0

B8

1

0

1

0

IOmA

1.992

1.008

1.000

0.992

0.008

0.000

IOmA

0.000

0.984

0.992

1.000

1.984

1.992

EO

–9.960

–5.040

–5.000

–4.960

–0.040

0.000

EO

–0.000

–4.920

–4.960

–5.000

–9.920

–9.860

Figure 9. Basic Unipolar Negative Operation

Numéro de pièce similaire - DAC08Q

Fabricant	No de pièce	Fiches technique	Description
Analog Devices	DAC08Q	260Kb / 12P	8-Bit, High Speed, Multiplying D/A Converter (Universal Digital Logic Interface) REV. A
	DAC08Q	584Kb / 20P	8-Bit, High Speed, Multiplying D/A Converter (Universal Digital Logic Interface) REV. C
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Fabricant	No de pièce	Fiches technique	Description
Analog Devices	DAC08	260Kb / 12P	8-Bit, High Speed, Multiplying D/A Converter (Universal Digital Logic Interface) REV. A
	DAC08CSZ	224Kb / 12P	8-Bit, High-Speed, Multiplying D/A Converter (Universal Digital Logic Interface) REV. B
	DAC08Q-883C	584Kb / 20P	8-Bit, High Speed, Multiplying D/A Converter (Universal Digital Logic Interface) REV. C
	DAC10	300Kb / 10P	10-Bit High Speed Multiplying D/A Converter Universal Digital Logic Interface REV. D
	DAC10FX	460Kb / 10P	10-Bit High Speed Multiplying D/A Converter (Universal Digital Logic Interface) REV. D
List of Unclassifed Man...	DAC20	601Kb / 8P	2 - DIGIT BCD HIGH - SPEED MULTIPLYING D / A CONVERTER ( UNIVERSAL DIGITAL LOGIC INTERFACE )
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