an12944a Panasonic Corporation of North America, an12944a Datasheet - Page 5

• Manufacturer Part Number: an12944a
• Description: Monophonic Audio Power Ic With Built-in Agc
• Manufacturer: Panasonic Corporation of North America

AN12944A
Pin Descriptions
No.
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
MUTE_1
MUTE_2
BIAS30
EVR_VTL
SPIN_R
AMPO_R
GND
AMPI_R
EVROUT_R
FILT1_R
FILT2_R
FILT3_R
FILT_SW
STB_SW
AUDIN_L
TC
GND
VREG_C
VCC
BEEP_IN
VREF_C
AUDIN_L
BP_ADJ1
BP_ADJ2
Pin name
Activist the high Mute 1
Activist the high Mute 2
(With a chattering prevention
function)
3 V bias output
EVR control pin
SP amp. Rch input
The amplifier output for the gain
adjustment Rch
GND
The amplifier input for the gain
adjustment Rch
EVR Rch output
Filter terminal 1 Rch
Filter terminal 2 Rch
Filter terminal 3 Rch
Filter ON/OFF control
Standby ON/OFF control
Rch input
The timing condenser for Pri-
charge
GND
The VREG C terminal
VCC
Beep signal input
The VREF C terminal
Lch input
Beep signal level adjustment
terminal 1
Beep signal level adjustment
terminal 2
Description
SDF00040BEB
No.
Pin
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
FILT3_L
FILT2_L
FILT1_L
EVROUT_L
AMPI_L
GND
AMPO_L
SPIN_L
DET_C
AGC_MOD
REG3V
VREF_SP
GNDSP_L
OUT_LN2
OUT_LN1
OUT_LP2
OUT_LP1
VCCSP_L
VCCSP_R
OUT_RP1
OUT_RP2
OUT_RN1
OUT_RN2
GNDSP_R
Pin name
Filter terminal 3 Lch
Filter terminal 2 Lch
Filter terminal 1 Lch
EVR Lch output
The amplifier input for the gain
adjustment Lch
GND
The amplifier output for the gain
adjustment Lch
SP amp. Lch input
AGC demodulation pin
AGC ON/OFF SW & ON level control
3.0 V reg. output
The VREFSP C terminal
GND_SP Lch
SP amp. Lch output (−)
SP amp. Lch output (−)
SP amp. Lch output (+)
SP amp. Lch output (+)
VCC_SP Lch
VCC_SP Rch
SP amp. Rch output (+)
SP amp. Rch output (+)
SP amp. Rch output (−)
SP amp. Rch output (−)
GND_SP Rch
Description
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