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PDF AN3672NFBP Data sheet ( Hoja de datos )
| Número de pieza | AN3672NFBP | |
| Descripción | Audio signal processor IC for HiFi VCR incorporating EIAJ sound multiplex system | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for VCR
www.datasheet4u.com
AN3672NFBP
Audio signal processor IC for HiFi VCR
incorporating EIAJ sound multiplex system
s Overview
The AN3672NFBP is a HiFi audio signal processor IC
(NTSC) incorporating EIAJ sound multiplex decoder and
pre/recording amplifier. An adjustment-free sound multi-
plex decoder is realized through both of fO automatic
adjustment of high precision VCO by a reference signal
(fSC) and an SIF (4.5 MHz inter-carrier sound intermediate
frequency) signal input.
s Features
• Built-in EIAJ sound multiplex decoder
• Full adjustment-free by SIF signal input
• fO automatic adjustment of high precision VCO
• Built-in pre/recording amplifier
s Applications
• HiFi VCR
48
49
64
1
(1.00)
17.2±0.4
14.0±0.3
33
32
Unit: mm
0.80
17
16
0.35
+0.10
– 0.05
(1.60)
0.10
Seating plane
QFH064-P-1414A
0° to 10°
(0.80)
1
1 page  
ICs for VCR
AN3672NFBP
www.datasheet4u.com
s Electrical Characteristics at VCC1 = 5 V, VCC2 = 12 V, Ta = 25°C (continued)
Parameter
Symbol
Conditions
Min Typ Max Unit
ENC out VO-max L
ENC out VO-max R
RF conv. out level
VMFEL
VMFER
VRFC
fIN = 1 kHz, at output THD 3%
fIN = 1 kHz, at output THD 3%
VIN = −26.8 dBS, 1 kHz
BS monitor mode
−4 0.3 dBS
−4 0.3 dBS
−8 −5 −2 dBS
Line out S/N L
NHLOL RG = 6.8 kΩ, DIN audio
75 80 dB
Line out S/N R
Crosstalk between inputs 1 *1
(Select the sound multiplex)
NHLOR
CTIT
RG = 6.8 kΩ, DIN audio
Ext.1 ∼ Ext.3 in = −16.8 dBS
1 kHz, DIN audio
75 80 dB
−60 −55 dB
Crosstalk between inputs 2 *1
(Ext.1-IN select)
CTIE1
Sound multiplex
Ext.2 ∼ Ext.3 in = −16.8 dBS
1 kHz, DIN audio
−75 −65 dB
Crosstalk between inputs 3 *1
(Ext.2-IN select)
CTIE2
Sound multiplex
Ext.1, Ext.3 in = −16.8 dBS
1 kHz, DIN audio
−75 −65 dB
Crosstalk between inputs 4 *1
(Ext.3-IN select)
CTIE3
Sound multiplex
Ext.1, Ext.2 in = −16.8 dBS
1 kHz, DIN audio
−75 −65 dB
Crosstalk between channels R→L *1 CTTRL Ext.1 in R-ch. = −16.8 dBS, 1 kHz −80 −65 dB
DIN audio
Crosstalk between channels L→R *1 CTTLR Ext.1 in L-ch. = −16.8 dBS, 1 kHz −80 −65 dB
DIN audio
Crosstalk between output mode 1 *1 CTHN
(Normal select)
HiFi, BS in = −16.8 dBS
1 kHz, DIN audio
−75 −60 dB
Crosstalk between output mode 2 *1 CTNH
(HiFi select)
HiFi, BS in = −16.8 dBS
1 kHz, DIN audio
−75 −60 dB
Crosstalk between output mode 3 *1 CTNH
(BS monitor mode)
HiFi, NOR in = −16.8 dBS
1 kHz, DIN audio
−60 −55 dB
Crosstalk between ENC out
channels (R→L)
CTENRL Ext.1 in R-ch. = −16.8 dBS, 1 kHz −40 −30 dB
DIN audio
Crosstalk between ENC out
channels (L→R)
Output muting ratio L *1
Output muting ratio R *1
CTENLR
MuteL
MuteR
Ext.1 in L-ch. = −16.8 dBS, 1 kHz
DIN audio
TV in = −16.8 dBS, 1 kHz, Gain = 1
DIN audio
TV in = −16.8 dBS, 1 kHz, Gain = 1
DIN audio
−40 −30
−60 −45
−60 −45
dB
dB
dB
VCO output frequency L
(NTSC)
fNL NTSC mode, non-modulation,
after adjustment
1 292 1 300 1 308 kHz
VCO output frequency R
(NTSC)
fNR NTSC mode, non-modulation,
after adjustment
1 692 1 700 1 708 kHz
VCO output L/R mix. ratio L
FNLN NTSC mode, mode = (0, 1)
8.5 10 11.5 dB
Note) *1: 10 dB should be reduced from the calculation result because of +10 dB increased input.
5
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ICs for VCR
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s Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
7 Pin40 (VCC1)
600 Ω
5.6 kΩ
7 1.5 kΩ
5 kΩ
Description
IN-REF (R-channel):
425 Ω
425 Ω 850 Ω
8
Pin51 (MTS VCC)
Sound multiplex output R:
Tuner output pin
2 kΩ 1 kΩ
AN3672NFBP
Voltage (typ.)
2.05 V
2.5 V
8
9 Refer to pin 2
10 Refer to pin 2
11
12 Refer to pin 7
13 Refer to pin 8
14 Refer to pin 2
15 Refer to pin 2
16
Pin40 (VCC1)
16 650 Ω
Ext.1-IN (R-channel)
Ext.2-IN (R-channel)
GND1 (L-channel)
IN-REF (L-channel)
Sound multiplex output L
Ext.1-IN (L-channel)
Ext.2-IN (L-channel)
N.R. det. 1 (L-channel):
Pin for connection of weighting filter
externally attached.
0V
0V
0V
2.03 V
2.5 V
0V
0V
2.5 V
17 Pin40 (VCC1) 7.85 kΩ
500 Ω
500 Ω
15 kΩ
17
1 kΩ 1 kΩ
50 Ω
N.R. det. 2 (L-channel)
At non-signal:
0.4 V
At typical input:
0.7 V
11
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