AD5301 데이터 시트보기 (PDF) - Analog Devices

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AD5301

2.5 V to 5.5 V, 120 μ
A, 2-Wire Interface, Voltage Output 8-/10-/12-Bit DACs

Analog Devices 

AD5301/AD5311/AD5321

5

5V SOURCE

4

3

3V SOURCE

2

3V SINK

1

5V SINK

0

0

3

6

9

I (mA)

12

15

Figure 11. Source and Sink Current

Capability

200

TA = 25؇C

180

160

140

120

100

80

60

40

20

0

ZERO SCALE

VDD = 5V

VDD = 3V

CODE

FULL SCALE

Figure 12. Supply Current vs. Code

200

150

–40؇C

100

5

0

+25؇C

+105؇C

0

2.7 3.2 3.7 4.2 4.7 5.2

VDD (V)

Figure 13. Supply Current vs. Supply

Voltage

1.0

0.8

0.6

0.4

–40؇C +25؇C

0.2

+105؇C

0

2.7 3.2 3.7 4.2 4.7 5.2

VDD (V)

Figure 14. Power-Down Current vs.

Supply Voltage

300

TA = 25؇C

250

200

VDD = 5V

150 DECREASING

INCREASING

100

VDD = 3V

50

0

0

1.0

2.0

3.0

4.0

5.0

VLOGIC (V)

Figure 15. Supply Current vs. Logic

Input Voltage for SDA and SCL Volt-

age Increasing and Decreasing

VDD = 5V

TA = 25؇C

LOAD = 2k⍀ AND

200pF TO GND

CH1

VOUT

CH1 1V, TIME BASE = 5␮s/DIV

Figure 16. Half-Scale Settling (1/4 to

3/4 Scale Code Charge)

TA = 25؇C

VDD

CH1

CH2

VOUT

CH1 1V, CH2 1V, TIME BASE = 20␮s/DIV

Figure 17. Power-On Reset to 0 V

TA = 25؇C

VDD = 5V

CH1

VOUT

CH2

SCL

CH1 1V, CH2 5V, TIME BASE = 1␮s/DIV

Figure 18. Exiting Power-Down to

Midscale

2.50

2.49

2.48

2.47

1␮s/DIV

Figure 19. Major-Code Transition

–8–

REV. A

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