AK7742EQ

24bit 2ch ADC + 24bit 4ch DAC with Audio DSP, LQFP-48

Schematic Symbol

Pin Configuration (48 pins)

Pin	Name	Type
1	AIN3L	input
2	AIN2R	input
3	AIN2L	input
4	AVDD	power_in
5	VSS1	power_in
6	LFLT	passive
7	TEST1	passive
8	CKM2	input
9	DVDD	power_in
10	VSS2	power_in
11	XTI	input
12	XTO	output
13	SDOUT1	output
14	SDIN1/JX1	input
15	SDIN2/JX2	input
16	CKM1	input
17	CKM0	input
18	~{IRESET}	input
19	I2CSEL	input
20	DVDD	power_in
21	VSS2	passive
22	LRCK	bidirectional
23	BICK	bidirectional
24	CLKO/SDOUT3	output
25	SO/RDY/GPO/SDOUT2	output
26	SDA	bidirectional
27	SCL	input
28	CAD0	input
29	CAD1	input
30	VSS1	passive
31	AVDRV	passive
32	AVDD	power_in
33	AOUT2RN	output
34	AOUT2RP	output
35	AOUT2LN	output
36	AOUT2LP	output
37	AOUT1RN	output
38	AOUT1RP	output
39	AOUT1LN	output
40	AOUT1LP	output
41	VSS1	passive
42	VCOM	passive
43	AVDD	power_in
44	AIN1RN	input
45	AIN1RP	input
46	AIN1LN	input
47	AIN1LP	input
48	AIN3R	input

Footprint

Confirmed

Package_QFP/LQFP-48_7x7mm_P0.5mm

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

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40

41

42

43

44

45

46

47

48

Pads (48)

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
45	smd
46	smd
47	smd
48	smd

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