DAC8512EP datasheet(7/20 Pages) AD

Part #	DAC8512EP

Description	% V, Serial Input Complete 12-Bit DAC

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Manufacturer	AD [Analog Devices]

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REV. A

–7–

Typical Performance Characteristics — DAC8512

5

2

0

10

100

100k

10k

1k

1

3

4

LOAD RESISTANCE –

RL TIED TO AGND

D = FFFH

R

L TIED TO AGND

DATA = FFF

H

V

DD = +5V

T

A = +25 C

R

L TIED TO +5V

DATA = 000H

Figure 5. Output Swing vs. Load

TIME = 2ms/DIV

10

90

100

0%

SCALE = 100X

CODE = FFF

H = 409510

BW = 630kHz

T

A = +25 C

2mS

50mV

Figure 8. Broadband Noise

0.01

0.1

10

1.0

5.0

4.8

4.0

4.6

4.4

4.2

0.04

0.4

4.0

OUTPUT LOAD CURRENT – mA

∆VFS ≤ 1 LSB

DATA = FFF

H

T

A = +25 C

PROPER OPERATION

WHEN V

DD SUPPLY

VOLTAGE ABOVE

CURVE

Figure 11. Minimum Supply Voltage

vs. Load

1

10

1000

100

1

0.01

0.1

10

OUTPUT SINK CURRENT –

A

V

DD = +5V

DATA = 000

H

T

A = +85 C

T

A = –40 C

T

A = +25 C

Figure 6. Pull-Down Voltage vs. Out-

put Sink Current Capability

4.0

0.0

5

0.8

0

2.4

1.6

3.2

3

24

1

LOGIC VOLTAGE VALUE – Volts

V

DD = +5V

T

A = +25 C

NO LOAD

Figure 9. Supply Current vs. Logic

Input Voltage

2.028

2.018

2.048

2.038

0

5

TIME – 200ns/DIV

2048

10

TO 2047

10

V

DD

= 5V

T

A

= +25 C

Figure 12. Midscale DAC Glitch

Performance

80

–100

–60

–80

1

–20

–40

0

20

40

60

3

2

OUTPUT VOLTAGE – Volts

POS0

CURRENT0

LIMIT0

NEG

CURRENT

LIMIT

DATA = 800H

RL TIED TO +2V

Figure 7. Short Circuit Current

100

0

10

100

100k

10k

1k

60

80

20

40

FREQUENCY – Hz

V

DD = +5V

200mV AC

T

A = +25 C

DATA = FFF

H

Figure 10. Power Supply Rejection

vs. Frequency

10

90

100

0%

TIME = 20

µs/DIV

20

µs

1V

R

L = NO LOAD

C

L = 110pF

T

A = +25 C

Figure 13. Large Signal Settling Time

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