7

HV7331

Supertex inc.

www.supertex.com

Doc.# DSFP-HV7331

B011513

Pin Description

Pin

Name

Description

1

EN

Chip power enable Hi = ON, Low = OFF

2

CW/RTZ

B-Scan or CWD mode control pin, see Control Logic Table

3

NIN1

Input logic control signal for channel 1

4

PIN1

Input logic control signal for channel 1

5

NIN2

Input logic control signal for channel 2

6

PIN2

Input logic control signal for channel 2

7

AGND

Digital logic circuit ground (0V)

8

NIN3

Input logic control signal for channel 3

9

PIN3

Input logic control signal for channel 3

10

NIN4

Input logic control signal for channel 4

11

PIN4

Input logic control signal for channel 4

12

VDD

Positive voltage power supply (+5.0V)

13

LR

Built-in linear regulators power turned on (enabled) when LR = 1 and EN = 1

Built-in linear regulators power turned off (disabled) when EN = 0 or LR = 0

14

VDD

Positive voltage power supply (+5.0V)

15

VDD

16

VLL

Logic “1” voltage reference input (+2.5 to +5V)

17

AGND

Digital logic circuit ground (0V)

18

VDD

Positive voltage power supply (+5.0V)

19

DGND

Driver and level translator circuit ground return (0V)

20

VSS

Negative voltage power supply (-5.0V)

21

CPF

VPP to VPF decoupling capacitor (low voltage, 0.22 to 0.47μF 10V) See Note 1

22

VPP

Positive high voltage power supply (+5.0 to +70V)

23

VPP

24

CGP

CGP to RGP decoupling capacitor (low voltage, 0.47μF 10V)

25

RGP

Common return ground or positive CW power supply. When CW/RTZ = 0 (in B-Mode) must

be 0 ≤ V

26

RGP

27

CGN

CGN to RGN decoupling capacitor (low voltage, 0.47μF 10V)

28

RGN

Common return ground or positive CW power supply. When CW/RTZ = 0 (in B-Mode) must

be 0 ≥ V

29

RGN

30

CNF

VNF to VNN decoupling capacitor (low voltage, 0.22 to 0.47μF 10V) See Note 1

31

VNN

Negative high voltage power supply (-5.0 to -70V)

32

VNN

33

TX4

Transmit pulser output for channel 4

34

TX4