YDA135 Datasheet, PDF (3/22 Pages) YAMAHA CORPORATION – STEREO 5W-20W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER

YDA135
Terminal function
No. Name
I/O
Function
1 N/C
− ^{Non connection}
2 VREFL
O
L channel reference voltage output
3 VSSL
− ^{Ground for 5V power supply of L channel}
4 MUTE
I
Mute control
5 SLEEP
I
Sleep control
6 PROT
O
Warning signal output for detection function
7 N/C
− ^{Non connection}
8 TPP
I
High temperature detection
9 TEST
I
IC test. Connect to VSSR
10 VSSR
− ^{Ground for 5V power supply of R channel}
11 VREFR
O
R channel reference voltage output
12 N/C
− ^{Non connection}
13 VDDR
− ^{5V Power supply of R channel}
14 INR
I
R channel analog signal input
15 NFINR
O
R channel input gain setting
16 NFPR
I
R channel positive side feedback input
17 NFNR
I
R channel negative side feedback input
18 N/C
− ^{Non connection}
19 CDOR
O
R channel off time setting (output)
20 CDIR
I
R channel off time setting (input)
21 N/C
− ^{Non connection}
22 SENSEPR
IH R channel overcurrent detection (PVDD side)
23 PVDDR
− ^{12V power supply of R channel}
24 SENSENR
IH R channel overcurrent detection (PVSS side)
25 PVSSR
26 N/C
27 HP_R
− ^{Ground for 12V power supply of R channel}
− ^{Non connection}
OH R channel positive side PMOS driving
28 HN_R
OH R channel positive side NMOS driving
29 LN_R
OH R channel negative side NMOS driving
30 LP_R
OH R channel negative side PMOS driving
31 LP_L
OH L channel negative side PMOS driving
32 LN_L
OH L channel negative side NMOS driving
33 HN_L
OH L channel positive side NMOS driving
34 HP_L
OH L channel positive side PMOS driving
35 N/C
36 PVSSL
37 SENSENL
− ^{Non connection}
− ^{Ground for 12V power supply of L channel}
IH L channel overcurrent detection (PVSS side)
38 PVDDL
− ^{12V power supply of L channel}
39 SENSEPL
IH L channel overcurrent detection (PVDD side)
40 N/C
41 CDIL
− ^{Non connection}
I
L channel off time setting (input)
42 CDOL
O
L channel off time setting (output)
43 N/C
44 NFNL
− ^{Non connection}
I
L channel negative side feedback input
45 NFPL
I
L channel positive side feedback input
46 NFINL
O
L channel input gain setting
47 INL
I
L channel analog signal input
48 VDDL
− ^{5V power supply of L channel}
Note. I/O: 5V input/ 5V output, IH/OH: 12V input/12V output
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