YDA137 Datasheet, PDF (3/20 Pages) YAMAHA CORPORATION – D- 2 STEREO 5W DIGITAL AUDIO POWER AMPLIFIER

YDA137
■Block diagram
VREFL ¹³
+
-
+
INL ¹²
-
11
VPL
/MUTE ²
/MONO ³
HP ²⁶
/SLEEP ²⁸
/PROT ²⁷
18
VPR
INR ¹⁷
-
+
-
+
VREFR ¹⁶
Balanced
Digital
Modulation
Unit
( L-ch )
Headphone
Amplifier
(L-ch)
Pop Noise
Rejection
Over
Temperature
Detection
Control
Block
Headphone
Amplifier
(R-ch)
Balanced
Digital
Modulation
Unit
( R-ch )
VDDPL
6 _OUTPL
VSSPL2
VDDPL
8 _OUTML
VSSPL1
10
HPOL
Over
Current
Detection
VDDPR
19
HPOR
23
OUTPR
VSSPR2
VDDPR
21
OUTMR
VSSPR2
3