YDA138
■Terminal function
Voltage
tolerance
LV
No.
Name
HPOR
I/O
Function
R-ch Headphone Output terminal
1
2
3
4
5
6
7
8
9
O
Pow
Pow
O
I
I
AVSS
5V Analog Ground terminal
LV
LV
LV
LV
VSSBGR
VREFR
INR
MUTEN
PVDDPR
OUTPR
PVSSR
Ground terminal for Reference Voltage Supply
R-ch Reference Voltage terminal (with external capacitor)
R-ch Analog Signal Input terminal
Mute Control terminal
R-ch 12V-line VDD terminal
R-ch Positive Side Output terminal
R-ch 12V-line VSS terminal
R-ch 12V-line VSS terminal
R-ch 12V-line VSS terminal
R-ch 12V-line VSS terminal
R-ch 12V-line VSS terminal
LV
Pow
O
HV
HV
HV
HV
HV
HV
HV
HV
HV
HV
HV
LV
Pow
Pow
Pow
Pow
Pow
O
Pow
O
I
Pow
I/O
O
I
I
10 PVSSR
11 PVSSR
12 PVSSR
13 PVSSR
14 OUTMR
15 PVDDMR
16 PROTN
17 SLEEPN
18 DVSS
19 CKIO
R-ch Negative Side Output terminal
R-ch 12V-line VDD terminal
Warning Signal Output terminal (O/D)
Sleep Control terminal
Digital Ground terminal
Clock Input/Output terminal
LV
LV
LV
LV
20 XO
21 XI
22 DVDD
CERALOCK connection terminal *1
CERALOCK connection terminal *1
Digital Power Supply terminal (Connect to REFA terminal
outside the IC)
23 MODE0
24 MODE1
25 MODE2
26 VOL0
I
I
I
I
I
Operating Mode Selection terminal
Operating Mode Selection terminal
Operating Mode Selection terminal
Input Sensitivity Setting terminal
Input Sensitivity Setting terminal
L-ch 12V-line VDD terminal
L-ch Negative Side Output terminal
L-ch 12V-line VSS terminal
L-ch 12V-line VSS terminal
L-ch 12V-line VSS terminal
L-ch 12V-line VSS terminal
L-ch 12V-line VSS terminal
L-ch Positive Side Output Terminal
L-ch 12V-line VDD terminal
LV
LV
LV
LV
LV
HV
HV
HV
HV
HV
HV
HV
HV
HV
LV
LV
LV
HV
LV
LV
27 VOL1
28 PVDDML
29 OUTML
30 PVSSL
31 PVSSL
32 PVSSL
33 PVSSL
34 PVSSL
35 OUTPL
36 PVDDPL
37 HP
Pow
O
Pow
Pow
Pow
Pow
Pow
O
Pow
I
I
Headphone Control terminal
38 INL
L-ch Analog Signal Input terminal
L-ch Reference Voltage terminal (with external capacitor)
12V-line PVDD terminal for Regulator Circuit
5V Regulator Output terminal (with external capacitor)
L-ch Headphone Output terminal
39 VREFL
40 PVDDREG
41 REFA
42 HPOL
O
Pow
O
O
(Note) I: Input terminal, O: Output terminal, I/O: Input/Output terminal, Pow: Power supply terminal
LV: Terminal for VREG power supply voltage range as input voltage range.
HV: Terminal for VDDP power supply voltage range as input voltage range.
*1: CERALOCK which was described above and will be described later is a registered trade mark of
Murata Manufacturing Co.,Ltd.
3
YAMAHA [ YAMAHA CORPORATION ]
