DAC08Q-883C View Datasheet(PDF) - Analog Devices

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Description

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DAC08Q-883C

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

Analog Devices 

5.0

TA = T MIN TO TMAX

ALL BITS “HIGH”

4.0

LIMIT FOR

V– = –15V

3.0

2.0

LIMIT FOR

V– = –5V

1.0

0.0

0.0

1.0

2.0

3.0

4.0

5.0

IREF, REFERENCE CURRENT – mA

TPC 1. Full-Scale Current vs.

Reference Current

Typical Performance Characteristics–DAC08

500

400

300

200

1LSB = 7.8␮A

100

1LSB = 61nA

0

0.05 0.02 0.1 0.5 2.0 10

0.01 0.05 0.2 1.0 5.0

IFS, OUTPUT FULL SCALE CURRENT – mA

TPC 2. LSB Propagation Delay vs. IFS

10 R14 = R15 = 1k⍀

8 RL р 500⍀

6

ALL BITS “ON”

VR15 = 0V

4

2

0

2

–2

–4

1

–6 1. CC = 15pF, VIN = 2.0V p–p

–8 CENTERED AT +1.0V

LARGE SIGNAL

–10 2. CC = 15pF, VIN = 50mV p–p

–12 CENTERED AT +200mV

SMALL SIGNAL

–14

0.1 0.2 0.5 1.0 2.0

5.0 10

FREQUENCY – MHz

TPC 3. Reference Input Frequency

Response

4.0

TA = T MIN TO TMAX

3.6

ALL BITS ON

3.2

NOTE: POSITIVE COMMON-MODE

2.8

RANGE IS ALWAYS (V+) –1.5V

2.4

V– = –15V V– = –5V V+ = +15V

2.0

IREF = 2mA

1.6

1.2

IREF = 1mA

0.8

0.4

IREF = 0.2mA

0.0

–14 –10 –6 –2 2 6 10 14 18

V15, REFERENCE COMMON-MODE VOLTAGE – V

TPC 4. Reference Amp Common-

Mode Range

10.0

8.0

6.0

4.0

2.0

0

–12.0 –8.0 –4.0 0 4.0 8.0 12.0 16.0

LOGIC INPUT VOLTAGE – V

TPC 5. Logic Input Current vs. Input

Voltage

2.0

1.6

1.2

0.8

0.4

0

–50

0

50

100

150

TEMPERATURE – ؇C

TPC 6. VTH – VLC vs. Temperature

4.0

TA = T MIN TO TMAX

3.6

ALL BITS ON

3.2

2.8

2.4

V– = –15V V– = –5V

2.0

IREF = 2mA

1.6

1.2

IREF = 1mA

0.8

0.4

IREF = 0.2mA

0.0

–14 –10 –6 –2 2 6 10 14 18

OUTPUT VOLTAGE – V

28

24

20

16

12

SHADED AREA INDICATES

8 PERMISSIBLE OUTPUT VOLTAGE

RANGE FOR V– = –15V. IREF 2.0mA.

4

0

FOR OTHER V– OR IREF.

SEE OUTPUT CURRENT VS. OUTPUT

4 VOLTAGE CURVE.

8

12

–50

0

50

100 150

TEMPERATURE – ؇C

TPC 7. Output Current vs. Output

Voltage (Output Voltage Compliance)

TPC 8. Output Voltage Compliance

vs. Temperature

1.8

1.6

1.4

1.2

1.0

B1

IREF = 2.0mA

0.8

0.6

B2

0.4

V– = –5V

0.2

V– = –15V

B4 B3 B5

0

–12 –8 –4 0 4 8 12 16

LOGIC INPUT VOLTAGE – V

NOTE: B1 THROUGH B8 HAVE IDENTICAL

TRANSFER CHARACTERISTICS. BITS ARE FULLY

SWITCHED WITH LESS THAN 1/2 LSB ERROR, AT

LESS THAN 100mV FROM ACTUAL THRESHOLD.

THESE SWITCHING POINTS ARE GUARANTEED

TO LIE BETWEEN 0.8V AND 2.0V OVER THE

OPERATING TEMPERATURE RANGE (VLC = 0.0V).

TPC 9. Bit Transfer Characteristics

REV. B

–7–

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