AD9245 データシートの表示（PDF） - Analog Devices

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AD9245

14-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 3 V A/D Converter

Analog Devices 

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

AD9245

DNC 1

CLK 2

DNC 3

PDWN 4

(LSB) D0 5

D1 6

D2 7

D3 8

AD9245

CSP

TOP VIEW

(Not to Scale)

24 VREF

23 SENSE

22 MODE

21 OTR

20 D13 (MSB)

19 D12

18 D11

17 D10

Table 9. Pin Function Descriptions

Pin No.

Mnemonic

1, 3

DNC

2

CLK

4

PDWN

5 to 14, 17 to 20

D0 (LSB) to D13 (MSB)

15

DGND

16

DRVDD

21

OTR

22

MODE

23

SENSE

24

VREF

25

REFB

26

REFT

27, 32

AVDD

28, 31

AGND

29

VIN+

30

VIN–

Figure 3. LFCSP Pin Configuration

Description

Do Not Connect

Clock Input Pin

Power-Down Function Select

Data Output Bits

Digital Output Ground

Digital Output Driver Supply

Out-of-Range Indicator

Data Format Select and DCS Mode Selection (See Table 11)

Reference Mode Selection (See Table 10)

Voltage Reference Input/Output

Differential Reference (–)

Differential Reference (+)

Analog Power Supply

Analog Ground

Analog Input Pin (+)

Analog Input Pin (–)

Rev. D | Page 11 of 32

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