AD7398BR-REEL7 查看數據表（PDF） - Analog Devices

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AD7398BR-REEL7

Quad, Serial-Input 12-Bit/10-Bit DACs

Analog Devices 

1.00

0.75

DNL

0.50

AD7398

TA = 25؇C

VDD = +5V

VSS = –5V

0.25

INL

0

FSE

–0.25

–0.50

–0.75

–1.00

–5 –4 –3 –2 –1 0 1 2 3 4 5

REFERENCE VOLTAGE – Volts

TPC 5. AD7398 INL, DNL, FSE vs. Reference Voltage

100.00

90.00

80.00

70.00

AD7398

TA = 25؇C

VDD = +5V

VSS = –5V

VREF = +2.5V

60.00

50.00

40.00

30.00

20.00

10.00

0

0

512 1024 1536 2048 2560 3072 3584 4096

CODE – Decimal

TPC 6. AD7398 Reference Input Current vs. Code

1000

AD7398

VDD = +5V

VSS = –5V

TA = 25؇C

100

10

0

512 1024 1536 2048 2560 3072 3584 4096

CODE – Decimal

TPC 7. AD7398 Reference Input Resistance vs. Code

AD7398/AD7399

10.0

8.0

6.0

4.0

SINKING CURRENT INTO VOUT

VDD = +3V, VSS = 0V

VDD = +5V, VSS = –5V

AD7398/AD7399

TA = 25؇C

2.0

0

–2.0

VDD = +5V, VSS = 0V

–4.0

–6.0

–8.0

SOURCING CURRENT FROM VOUT

VDD = +5V, VSS = –5V

VDD = +5V, VSS = 0V

VDD = +3V, VSS = 0V

–10.0

–20 –15 –10 –5

0

5

10

15

20

SOURCE OR SINK CURRENT FROM VOUT – mA

TPC 8. ∆VOUT vs. Load Current

25

AD7398

SAMPLE SIZE = 125

–40؇C TO +125؇C

20

15

10

5

0

0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6

FULL SCALE ERROR TEMPCO – ppm/؇C

TPC 9. AD7398 Full-Scale Error Tempco

100

90

10

0%

TIME – 2␮s/DIV

CS (5V/DIV)

VOUT (0.2V/DIV)

TPC 10. AD7398 Midscale Glitch

REV. 0

–9–

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