3/14

STA506

Table 3. FUNCTIONAL PIN STATUS

(*) :

The pin is open collector. To have the high logic value, it needs to be pulled up by a resistor.

(**):

To put CONFIG = 1 means connect Pin 24 (CONFIG) to Pins 21, 22 (Vdd) to implement single BTL (mono mode) operation for

high current.

Figure 2. PIN CONNECTION

Pin name

Pin n.

Logical value

IC -STATUS

FAULT

27

0

Fault detected (Short circuit, or Thermal ..)

27

1

Normal Operation

TRI-STATE

26

0

All powers in Hi-Z state

TRI-STATE

26

1

Normal operation

PWRDN

25

0

Low absorpion

PWRDN

25

1

Normal operation

THWAR

28

0

Temperature of the IC =130°C

28

1

Normal operation

CONFIG

24

0

Normal Operation

24

1

OUT1A = OUT1B ; OUT2A=OUT2B

(IF IN1A = IN1B; IN2A = IN2B)

GND-SUB

OUT2B

OUT2B

GND1B

GND1A

OUT1A

OUT1A

GND-Reg

VDD

VDD

CONFIG

18

16

17

15

6

5

4

3

2

21

22

31

32

33

35

34

36

20

1

19

N.C.

GND-Clean

D01AU1273

OUT1B

OUT1B

PWRDN

FAULT

TRI-STATE

9

8

7

28

29

30

OUT2A

TH_WAR

10

27

GND2B

OUT2A

IN1A

IN2B

IN1B

14

12

11

23

25

26

GND2A

IN2A

13

24

VL