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Pin description – Rainbow Electronics MAX1200 User Manual

Page 7

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MAX1200

+5V Single-Supply, 1Msps, 16-Bit

Self-Calibrating ADC

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7

Pin Description

12

18

17, 28, 29

16

1

PIN

15

8

7

3, 6

2, 4, 5

11

10

9

14

NAME

20

FUNCTION

19

13

D11

Bit 11

D7

Bit 7

DGND

Digital Ground

DRV

DD

Digital Power Supply for the Output Drivers. +3V to +5.25V, DRV

DD

DV

DD

D8

Bit 8

D9

ST_CAL

Digital Input to Start Calibration.
ST_CAL = 0: Normal conversion mode.
ST_CAL = 1: Start self-calibration.

Bit 9

D5

Bit 5

D6

Bit 6

D10

D15

Bit 15 (MSB)

Bit 10

DOR

Data Out-of-Range Bit

AV

DD

Analog Power Supply, +5V ±5%

AGND

Analog Ground

D12

Bit 12

D13

Bit 13

D14

Bit 14

21

23

22

D4

Bit 4

D2

Bit 2

D3

Bit 3

24

26

25

D1

Bit 1

TEST1

Test Pin 1.

Do not connect.

D0

Bit 0 (LSB)

27, 30

32

31

DV

DD

Digital Power Supply, +3V to +5.25V

DAV

Data Valid Clock. This clock can be used to transfer the data to a memory or any other data
acquisition system.

CLK

Input Clock. Receives power from AV

DD

to reduce jitter.

33

35

34

OE

Output Enable. OE = 0: D0–D15 and DOR are high impedance. OE = 1: All bits are active.

CM

Common-Mode Voltage. Analog Input. Drive midway between positive and negative reference
voltages.

TEST0

Test Pin 0.

Do not connect.

36

38

37

RFPF

Positive Reference Voltage, Force Input

RFNF

Negative Reference Voltage, Force Input

RFPS

Positive Reference Voltage, Sense Input

39

41, 42

40

RFNS

Negative Reference Voltage, Sense Input

N.C.

Not Connected. No internal connection.

INP

Positive Input Voltage

43

44

INN

Negative Input Voltage

END_CAL

Digital Output for End of Calibration.
END_CAL = 0: Calibration in progress.
END_CAL = 1: Normal conversion mode.