RHF1401KSO-01V datasheet(5/29 Pages) STMICROELECTRONICS

Part #	RHF1401KSO-01V

Description	Rad-hard 14-bit 20Msps 85mW A/D converter

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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5 / 29 page

RHF1401

Pinout

5/29

Table 1.

Pin descriptions

Name

Description

Observations

Name

Description

Observations

1

GNDBI

Digital buffer ground

0 V

25

REFMODE

Ref. mode control input

2.5 V/3.3 V CMOS

input

2

GNDBE

Digital buffer ground

0 V

26

OEB

Output enable input

2.5 V/3.3 V CMOS

input

3VCCBE

Digital buffer power

supply

2.5 V/3.3 V

27

DFSB

Data format select input

2.5 V/3.3 V CMOS

input

4

NC

Non connected

28

AVCC

Analog power supply

2.5 V

5

NC

Non connected

29

AVCC

Analog power supply

2.5 V

6

OR

Out of range output

CMOS output

(2.5 V/3.3 V)

30

AGND

Analog ground

0 V

7

D13(MSB)

Most significant bit

output

CMOS output

(2.5 V/3.3 V)

31

IPOL

Analog bias current input

8

D12

Digital output MSB

CMOS output

(2.5 V/3.3 V)

32

VREFP

Top voltage reference

1 V

9

D11

Digital output

CMOS output

(2.5 V/3.3 V)

33

VREFM

Bottom voltage reference 0 V

10

D10

Digital output

CMOS output

(2.5 V/3.3 V)

34

AGND

Analog ground

0 V

11

D9

Digital output

CMOS output

(2.5 V/3.3 V)

35

VIN

Analog input

1 Vpp

12

D8

Digital output

CMOS output

(2.5 V/3.3 V)

36

AGND

Analog ground

0 V

13

D7

Digital output

CMOS output

(2.5 V/3.3 V)

37

VINB

Inverted analog input

1 Vpp

14

D6

Digital output

CMOS output

(2.5 V/3.3 V)

38

AGND

Analog ground

0 V

15

D5

Digital output

CMOS output

(2.5 V/3.3 V)

39

INCM

Input common mode

0.5 V

16

D4

Digital output

CMOS output

(2.5 V/3.3 V)

40

AGND

Analog ground

0 V

17

D3

Digital output

CMOS output

(2.5V /3.3 V)

41

AVCC

Analog power supply

2.5 V

18

D2

Digital output

CMOS output

(2.5 V/3.3 V)

42

AVCC

Analog power supply

2.5 V

19

D1

Digital output

CMOS output

(2.5 V/3.3 V)

43

DVCC

Digital power supply

2.5 V

20

D0(LSB)

Digital output LSB

CMOS output

(2.5 V/3.3 V)

44

DVCC

Digital power supply

2.5 V

21

DR

Data ready output(1)

CMOS output

(2.5 V/3.3 V)

45

DGND

Digital ground

0 V

22

VCCBE

Digital buffer power

supply

2.5 V/3.3 V

46

CLK

Clock input

2.5 V compatible

CMOS input

23

GNDBE

Digital buffer ground

0 V

47

DGND

Digital ground

0 V

24

VCCBI

Digital buffer power

supply

2.5 V

48

DGND

Digital ground

0 V

1.

See load considerations in Section 3: Timing.

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