Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.
9.4.3
Diagram B05C, TPA4411RTJ (IC 7HV0)
Figure 9-7 Internal block diagram and pin configuration
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
PVDD
SDL
SGND
NC
C1P
PGND
C1N
NC
PVSS
INR
SDR
INL
NC
OUTR
NC
SVSS
NC
OUTL
SVDD
NC − No internal connection
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
QFN
WCSP
(1)
C1P
1
A4
I/O
Charge pump flying capacitor positive terminal
PGND
2
B4
I
Power ground, connect to ground.
C1N
3
C4
I/O
Charge pump flying capacitor negative terminal
4, 6, 8, 12,
NC
B3, C3
No connection
16, 20
PVSS
5
D4
O
Output from charge pump.
SVSS
7
D3
I
Amplifier negative supply, connect to PVSS via star connection.
OUTL
9
D2
O
Left audio channel output signal
SVDD
10
D1
I
Amplifier positive supply, connect to PVDD via star connection.
OUTR
11
C2
O
Right audio channel output signal
INL
13
C1
I
Left audio channel input signal
SDR
14
B1
I
Right channel shutdown, active low logic.
INR
15
A1
I
Right audio channel input signal
SGND
17
A2
I
Signal ground, connect to ground.
SDL
18
B2
I
Left channel shutdown, active low logic.
PVDD
19
A3
I
Supply voltage, connect to positive supply.
Exposed pad must be soldered to a floating plane. Do NOT connect to power or
Exposed Pad
-
ground.
_
+
_
+
SVDD
SVSS
SVDD
SVSS
Charge
Pump
Bias
Circuitry
TPA4411
SGND
Av = −1.5 V/V
Audio Out − R
Audio Out − L
C1P
C1N
PVSS
Audio In − R
Audio In − L
SDx
Short
Circuit
Protection
Functional
Pinning
Block Diagram
I_17500_004.ep
s
1
8
040
8
Содержание PB52.1HU LA
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Страница 36: ...Service Modes Error Codes and Fault Finding EN 36 PB52 1HU LA 5 Personal Notes E_06532_012 eps 131004 ...