YDA135 Datasheet, PDF (16/22 Pages) YAMAHA CORPORATION – STEREO 5W-20W DIGITAL AUDIO POWER AMPLIFIER CONTROLLER

Example of application circuit
RPN1 RPN2
12V
6.8kΩ 5.1kΩ
QP
5V
RPN3
4.7kΩ
CFB
SLEEP TEST
PROT
Control
MUTE _Block
22pF
CDOL
RD
CD
CDIL
CI
10μF
RI
8.2kΩ
RFB
39kΩ
NFINL
INL
Over
Current
Detection
CREF
33μF
VREFL
Balanced
Pulse Width
Modulation
Unit
(L channel)
5V
1μF
5V
1μF
12V
1μF
12V
1μF
VDDL
VSSL
VDDR
VSSR
PVDDL
RP4
1Ω
CP4
0.1μF PVSSL
Power
Supply
Voltage
Detection
PVDDR
RP4
1Ω
CP4
0.1μF PVSSR
CFB 22pF
CI
10μF
RI
8.2kΩ
RFB
39kΩ
NFINR
INR
Over
Current
Detection
Over
Current
Detection
Balanced
Pulse Width
Modulation
Unit
(R channel)
CREF
33μF
VREFR
Over
Current
Detection
5V
10kΩ
Overheat
Protection
TPP
CDIR
CDOR NFNR
RTP _Posistor
CD
RD
16
YDA135
NFPL
SENSEPL
RNFL
2.4kΩ
CSNS
12V
180pF
12V
RPU
100kΩ
RSNS
1kΩ
12V
RS
50mΩ
RNFH
3.3kΩ
HP_L
HN_L
LP_L
LN_L
RPD
100kΩ
12V
RPU
100kΩ
RPD
100kΩ
LO
10μH
CO
1μF
CO
1μF
RL
LO
10μH
SENSENL
NFNL
RSNS
1kΩ
CSNS
180pF
RS
50mΩ
RNFH
3.3kΩ
RNFL
2.4kΩ
NFPR
SENSEPR
RNFL
2.4kΩ
CSNS
12V
180pF
12V
RPU
12V
100kΩ
RSNS
1kΩ
RS
50mΩ
RNFH
3.3kΩ
HP_R
HN_R
LP_R
LN_R
RPD
100kΩ
12V
RPU
100kΩ
RPD
100kΩ
LO
10μH
CO
1μF
CO
1μF
RL
LO
10μH
SENSENR
RSNS
1kΩ
CSNS
180pF
RS
50mΩ
RNFH
3.3kΩ
RNFL
2.4kΩ