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LA72670BM Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part No. LA72670BM
Description  US multiplex modulation for VCR HiFi Sound Signal Processor
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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 4 page
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LA72670BM
No.A0644-4/20
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
[Playback head amp system] (PB HEAD AMP IN to OUT), PB mode,G1D8D7;01
Voltage gain
GVP
VIN=100µVp-p, f=1.5MHz, CH1&2
69
72
75
dB
Voltage gain difference
CH1/CH2
∆GVP
-2
0
2
dB
EP gain boost value
∆GEP
VIN=100µVp-p, f=1.5MHz
1
2
3.2
dB
Frequency characteristics
∆fP
VIN=100µVp-p, f=1.8M/1.0MHz, CH1&2
-3
-1
1
dB
Input conversion noise voltage
VNINP
The value(1 / GVP) of 1.1MHz LPF output
level
1.7
2
µVrms
Output DC offset
∆VODC
CH1/CH2
-30
0
30
mV
[SIF system] (SIF IN to SIF OUT), EE/REC mode
Input level
VILIM
fc=4.5MHz
80
90
100
dB
µV
Output level
VOSI
fc=4.5MHz±25kHz, fm=1kHz
420
530
660
mVp-p
Distortion
THDSI
MONO 1kHz 100% modulation
0.3
0.8
dB
S/N
SNSI
75
µ De-emphasis
57
62
dB
[TV multiplex demodulation system] (BASE-BAND IN to LINE OUT), EE/REC mode, L/Rch, LINE AMP GAIN(1)
Deviation of SIF input MONO: 300Hz 100%
→±25kHz
MONO output level
VOMN
fm=1kHz, 100% modulation, Pre-em.ON
-8.5
-7
-5.5
dBV
Output L/R level difference
∆VOMN
fm=1kHz, 100% modulation, Pre-em.ON
-1.5
0
1.5
dB
MONO distortion
THDM
fm=1kHz, 100% modulation, Pre-em.ON
0.15
0.6
%
MONO frequency
characteristics 1
FCM1
fm=8kHz, 30% modulation, Pre-em.ON
-2
0
2
dB
MONO S/N
SNM
S=VOMN, N=0% modulation,
15kHz LPF+JIS-A
57
62
dB
STEREO output level
VOST
fm=1kHz, 100% modulation, 15kHzLPF
-9
-7
-5
dBV
STEREO distortion
THDS
fm=1kHz, 100% modulation, 15kHz LPF
1.0
2.5
%
STEREO S/N
SNS
S=VOST, N=0% modulation,
15kHz LPF+JIS-A
50
dB
STEREO separation
STSE1
f=300Hz(R/L), 30%modulation, 15kHz LPF
20
25
dB
STEREO separation2
STSE2
f=3kHz(R/L), 30%modulation, 15kHz LPF
20
25
dB
Input Pilot level1 for STEREO
detection
VINSD
Pilot(fH)=15.73kHz, 100%=110 mVp-p
40
%
Input Pilot level1 hysteresis
for STEREO detection
HYST
Pilot(fH)=15.73kHz, 0dB=VINSD
3
dB
Stereo VCO free-running
frequency
FSTVCO
No signal, the monitor output of Pin 51 is
measured.
60.0
63
66.8
kHz
SAP output level
VOSA
fm=1kHz, 100% modulation, 15kHz LPF
-10
-7
-4
dBV
SAP distortion
THDSA
fm=1kHz, 100% modulation, 15kHz LPF
2nd+3rd harmonic distortion, 15kHz LPF
1.5
3.5
%
SAP S/N
SNSA
S=VOSA, 100% modulation,
15kHz LPF+JIS-A
55
65
dB
SAP detection input level
VINSA
SAP Carrier=5fH, 0dB=300 mVp-p
-26
-20
-15
dB
SAP detection hysterisis
HYSA
SAP Carrier=5fH
3
dB
MODE output MONO
LEDMO
MONO:f=1kHz, 0% modulation
1.0
1.3
V
MODE output SAP
LEDSA
SAP:Carrier
1.7
2.0
2.3
V
MODE output STEREO
LEDST
STEREO:Pilot
2.7
3.0
3.3
V
MODE output ST+SAP
LEDSS
STEREO:Pilot, SAP:Carrier
3.5
3.8
4.2
V
[Control hold voltage]
CLOCK Low voltage
VCL
0
1
V
CLOCK High voltage
VCH
2.5
VCC2V
DATA Low voltage
VDL
0
1
V
DATA High voltage
VDH
2.5
VCC2V
MUTE ON voltage
MON
3.0
VCC2V
MUTE OFF voltage
MOFF
0
1.0
V
REC MUTE ON voltage
RMON
3.0
VCC2V
REC MUTE OFF voltage
RMOFF
0
1.0
V




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