TPA3251

175-W Stereo, 350-W Mono PurePath Ultra-HD Analog-Input Class-D Amplifier, HTSSOP-44

Schematic Symbol

Pin Configuration (44 pins)

Pin	Name	Type
1	GVDD_AB	power_in
2	VDD	power_in
5	INPUT_A	input
6	INPUT_B	input
7	OC_ADJ	passive
8	FREQ_ADJ	passive
9	OSC_IOM	bidirectional
10	OSC_IOP	bidirectional
11	DVDD	passive
12	GND	power_in
13	GND	passive
14	AVDD	passive
15	C_START	passive
20	VBG	passive
25	GND	passive
26	GND	passive
33	GND	passive
34	GND	passive
35	OUT_B	output
36	PVDD_AB	power_in
37	PVDD_AB	passive
38	PVDD_AB	passive
39	OUT_A	output
40	OUT_A	passive
41	GND	passive
42	GND	passive
43	BST_B	passive
44	BST_A	passive
3	M1	input
4	M2	input
16	INPUT_C	input
17	INPUT_D	input
18	~{RESET}	input
19	~{FAULT}	open_collector
21	~{CLIP_OTW}	open_collector
22	GVDD_CD	power_in
23	BST_D	passive
24	BST_C	passive
27	OUT_D	output
28	OUT_D	passive
29	PVDD_CD	power_in
30	PVDD_CD	passive
31	PVDD_CD	passive
32	OUT_C	output

Footprint

Confirmed

Package_SO/HTSSOP-44_6.1x14mm_P0.635mm_TopEP4.14x7.01mm

Pad Layout

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

Pads (44)

Number	Type
1	smd
2	smd
3	smd
4	smd
5	smd
6	smd
7	smd
8	smd
9	smd
10	smd
11	smd
12	smd
13	smd
14	smd
15	smd
16	smd
17	smd
18	smd
19	smd
20	smd
21	smd
22	smd
23	smd
24	smd
25	smd
26	smd
27	smd
28	smd
29	smd
30	smd
31	smd
32	smd
33	smd
34	smd
35	smd
36	smd
37	smd
38	smd
39	smd
40	smd
41	smd
42	smd
43	smd
44	smd

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