AD7450 查看數據表（PDF） - Analog Devices

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AD7450

Differential Input, 1MSPS, 12-Bit ADC in µSO-8 and S0-8

Analog Devices 

PRELIMINARY TECHNICAL DATA

AD7450

TPC 9 and TPC 10 show the change in DNL versus VREF

for VDD of 5V and 3.3V respectively.

TPC 11 and TPC 12 show the change in INL versus VREF

for VDD of 5V and 3.3V respectively.

1

Positive DNL

0.5

0

-0.5

Negative DNL

-1

0

0.5

1

1.5

2

2.5

VREF

TPC 9.Change in DNL vs Reference Voltage VDD = 5V

1.5

1

0.5

0

-0.5

-1

0

Positive DNL

Negative DNL

0.6

1.2

1.8

2.4

VREF

1.5

1

Positive INL

0.5

0

-0.5

-1

Negative INL

-1.5

0

0.5

1

1.5

2

2.5

VREF

TPC 11. Change in INL vs Reference Voltage VDD = 5V

2

1.5

1

Positive INL

0.5

0

-0.5

-1

Negative INL

-1.5

0

0.6

1.2

1.8

2.4

VREF

TPC 10. Change in DNL vs Reference Voltage VDD = 3.3V*

TPC 12. Change in INL vs Reference Voltage VDD = 3.3V*

*See ‘Reference Section

REV. PrJ

–9–

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