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YDA144-WZ View Datasheet(PDF) - Yamaha Corporation

Part NameDescriptionManufacturer
YDA144-WZ STEREO 2.1W Non-Clip DIGITAL AUDIO POWER AMPLIFIER Yamaha
Yamaha Corporation Yamaha
YDA144-WZ Datasheet PDF : 26 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
YDA144
Terminal function
WLCSP16
No.
Name
I/O
Protection circuit composition
Function
A1 INL+
A
PN
Positive input terminal (differential +) Lch
A2 PVDD
Power
-
Power supply for output
A3 OUTL+
O
-
Positive output terminal (differential +) Lch
A4 OUTL-
O
-
Negative output terminal (differential -) Lch
B1 INL-
A
PN
Negative input terminal (differential -) Lch
B2 NCRC
I/O
PN
Non-Clip control terminal
B3 /SDR
I
N
Shut-down terminal for Rch
B4 /SDL
I
N
Shut-down terminal for Lch
C1 INR-
A
PN
Negative input terminal (differential -) Rch
C2 G0
I
N
Gain setting terminal
C3 AGND
GND
-
GND for analog circuits
C4 PGND
GND
-
GND for output
D1 INR+
A
PN
Positive input terminal (differential +) Rch
D2 AVDD
Power
-
Power supply for analog circuits
D3 OUTR+
O
-
Positive output terminal (differential +) Rch
D4 OUTR-
O
-
Negative output terminal (differential -) Rch
(Note) I: Input terminal O: Output terminal A: Analog terminal
When a voltage that is bigger than the AVDD potential is impressed to the terminal of PN (protection circuit is
composed of PMOS and NMOS), the leakage current flows through the protection circuit of PMOS.
QFN20
No.
Name
I/O
Protection circuit composition
Function
1 NCRC
I/O
PN
Non-Clip control terminal
2 OUTL+
O
-
Positive output terminal (differential +) Lch
3 PVDD
Power
-
Power supply for output
4 PGND
GND
-
GND for output
5 OUTL-
O
-
Negative output terminal (differential -) Lch
6 NC
-
-
Non connection or connect to AGND
7 /SDL
I
N
Shut-down terminal for Lch
8 /SDR
I
N
Shut-down terminal for Rch
9 AVDD
Power
-
Power supply for analog circuits
10 NC
-
-
Non connection or connect to AGND
11 OUTR-
O
-
Negative output terminal (differential -) Rch
12 PGND
GND
-
GND for output
13 PVDD
Power
-
Power supply for output
14 OUTR+
O
-
Positive output terminal (differential +) Rch
15 G0
I
N
Gain setting terminal
16 INR+
A
PN
Positive input terminal (differential +) Rch
17 INR-
A
PN
Negative output terminal (differential -) Rch
18 AGND
GND
-
GND for analog circuits
19 INL-
A
PN
Negative input terminal (differential -) Lch
20 INL+
A
PN
Positive input terminal (differential +) Lch
(Note) I: Input terminal O: Output terminal A: Analog terminal
When a voltage that is bigger than the AVDD potential is impressed to the terminal of PN (protection circuit is
composed of PMOS and NMOS), the leakage current flows through the protection circuit of PMOS.
3
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