Philips 4000 series - Page 31

IC Data Sheets
EN 31TPM9.2L LA 8.
2012-Mar-30
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8.2 Diagram 10-3-9 Audio Amplifier/Headphone/Subwoofer B09, STA381BWTR (IC U603)
Figure 8-2 Internal block diagram and pin configuration
19240_300_120221.eps
120224
Block diagram
Pinning information
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
VCC_REG
VSS_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
VCC1
GND1
OUT1A
VDD_REG
GND_REG
MCLK
AGNDPLL
VREGFILT
TWARNEXT/FFX4B
EAPD/FFX4A
FFX3B
FFX3A
GNDDIG1
VDDDIG1
VDD3V3CHP
CPP
GNDPSUB
13 14 15 16 17 18 19 20 21 22 23 24
48 47 46 45 44 43 42 41 40 39 38 37
F3X_FILT
F3XL
F3XR
LINEINL
LINEINR
LINEHPOUT_L
LINEHPOUT_R
GNDA
SOFTMUTE
VDD3V3
CPVSS
CPM
VDDDIG2 GNDDIG2
TESTMODE SA SCL SDA INTLINE PWDN RESET
SDI LRCKI
BICKI
STA381BW
PWDN
TESTMODE
LRCKI
BICKI
4
Half
Bridges
OUT 1A
OUT 1B
OUT 2A
OUT 2B
FFX3A
FFX3B
MCLK
SDI
LINEINL
LINEINR
LINEHPOUT_L
LINEHPOUT_R
SDA
SCL
IIC
CPVSS
CPP
FFX4A
FFX4B
GND_REG
SOFT_MUTE
2 x GND
2 x VCC
VDD_REG
GNDPSUB
2 x VDDDIG
2 x GNDDIG
VREGFILT
AGNDPLL
VCC_REG
VSS_REG
CPM
2.1 Channel
Audio Processor
STAudioFx
TM
STSpeakerSafe
TM
Parametric EQ
Volume
Bass and Treble
Speaker Compensation
Stereo Widening
SA
RESET
INTLINE
GNDA
Headphone
(2Vrms)
PLL
Negative
Charge
Pump
-3.3V
Control logic
&
Protections
REG_M3
VDD3V3CHP
F3X_FILT
FFX
TM
Modulator
Binary
Ter nary
F3XL
F3XR
STA381BW