AD1992

Rev. 0 | Page 6 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

PIN 1

INDICATOR

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

PGND1

PGND1

PGND1

OUTL+

OUTL+

OUTL+

PVDD1

PVDD1

PVDD1

PVDD1

OUTL–

OUTL–

OUTL–

PGND1

PGND1

PGND1

NC = NO CONNECT

PGND2

PGND2

PGND2

OUTR+

OUTR+

OUTR+

PVDD2

PVDD2

PVDD2

PVDD2

OUTR–

OUTR–

OUTR–

PGND2

PGND2

PGND2

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

AD1992

TOP VIEW

(Not to Scale)

Figure 3. Pin Configuration

Table 9. Pin Function Descriptions

Pin No.

Mnemonic

In/Out

Description

1, 2, 3, 64

PGND1

Negative Power Supply. Used for the A2 and B2 high power transistors.

4, 5, 6

OUTL+

O

Output of Transistor Pair A1 and A2.

7, 8, 9, 10

PVDD1

Positive Power Supply. Used for the A1 and B1 high power transistors.

11, 12, 13

OUTL−

O

Output of Transistor Pair B1 and B2.

14, 15, 16

PGND1

Negative Power Supply. Used for the A2 and B2 high power transistors.

17

ERR2

O

Active Low Thermal Shutdown Error Output.

18

ERR1

O

Active Low Thermal Warning Error Output.

19

ERR0

O

Active Low Overcurrent Error Output.

20

DCTRL2

I/O

Nonoverlap Time Setting MSB.

21

DCTRL1

I

Nonoverlap Time Setting.

22

DCTRL0

I

Nonoverlap Time Setting LSB.

23, 26

DGND

Negative Power Supply for Low Power Digital Circuitry.

24, 25

DVDD

Positive Power Supply for Low Power Digital Circuitry.

27

CLKI

I

28

CLKO

O

Inverted Version of CLKI for Use with an External XTAL Oscillator.

29

MUTE

I

Active Low Mute Input.

30

RESET

I

Active Low Reset Input.

31

PGA1

I

PGA Gain Control MSB.

32

PGA0

I

PGA Gain Control LSB.

33, 34, 35

PGND2

Negative Power Supply for High Power Transistors C2 and D2.

36, 37, 38

OUTR−

O

Output of Transistor Pair D1 and D2.

39, 40, 41, 42

PVDD2

Positive Power Supply for High Power Transistors C1 and D1.

43, 44, 45

OUTR+

O

Output of Transistor Pair C1 and C2.

46, 47, 48, 49

PGND2

Negative Power Supply for High Power Transistors C2 and D2.

50

NFR+

I

Right Channel Negative Feedback—Noninverting Input.

51

NFR−

I

Right Channel Negative Feedback—Inverting Input.