AD9260(2000) 데이터 시트보기 (PDF) - Analog Devices

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AD9260
(Rev.:2000)

High-Speed Oversampling CMOS ADC with 16-Bit Resolution at a 2.5 MHz Output Word Rate

Analog Devices 

Pin No.

1

2, 29, 38

3

4, 28, 44

5

6

7

8

9

10–23

24

25

26

27

30

31

32

33

34

35

36

37

39

40, 43

41

42

REV. B

PIN CONFIGURATION

AD9260

44 43 42 41 40 39 38 37 36 35 34

DVSS 1

AVSS 2

DVDD 3

AVDD 4

DRVSS 5

DRVDD 6

CLK 7

READ 8

(LSB) BIT16 9

BIT15 10

BIT14 11

PIN 1

IDENTIFIER

AD9260

TOP VIEW

(Not to Scale)

33 REFCOM

32 VREF

31 SENSE

30 RESET

29 AVSS

28 AVDD

27 CS

26 DAV

25 OTR

24 BIT1 (MSB)

23 BIT2

12 13 14 15 16 17 18 19 20 21 22

NC = NO CONNECT

PIN FUNCTION DESCRIPTIONS

Name

DVSS

AVSS

DVDD

AVDD

DRVSS

DRVDD

CLK

READ

BIT16

BIT15–BIT2

BIT1

OTR

DAV

CS

RESET

SENSE

VREF

REFCOM

MODE

BIAS

CAPB

CAPT

CML

NC

VINA

VINB

Description

Digital Ground.

Analog Ground.

+3 V to +5 V Digital Supply.

+5 V Analog Supply.

Digital Output Driver Ground.

+3 V to +5 V Digital Output Driver Supply.

Clock Input.

Part of DSP Interface—Pull Low to Disable Output Bits.

Least Significant Data Bit (LSB).

Data Output Bit.

Most Significant Data Bit (MSB).

Out of Range—Set When Converter or Filter Overflows.

Data Available.

Chip Select (CS): Active LOW.

RESET: Active LOW.

Reference Amplifier SENSE: Selects REF Level.

Input Span Select Reference I/O.

Reference Common.

Mode Select—Selects Decimation Mode.

Power Bias.

Noise Reduction Pin—Decouples Reference Level.

Noise Reduction Pin—Decouples Reference Level.

Common-Mode Level (AVDD/2.5).

No Connect (Ground for Shielding Purposes).

Analog Input Pin (+).

Analog Input Pin (–).

–11–

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