LA72670BM Datasheet, PDF (4/20 Pages) Sanyo Semicon Device – US multiplex modulation for VCR HiFi Sound Signal Processor

LA72670BM
Continued from preceding page.
Parameter
Symbol
Conditions
min
[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
Voltage gain difference
∆GVP
-2
CH1/CH2
EP gain boost value
∆GEP
VIN=100µVp-p, f=1.5MHz
1
Frequency characteristics
∆fP
VIN=100µVp-p, f=1.8M/1.0MHz, CH1&2
-3
Input conversion noise voltage
VNINP
The value(1 / GVP) of 1.1MHz LPF output
level
Output DC offset
∆VODC
CH1/CH2
-30
[SIF system] (SIF IN to SIF OUT), EE/REC mode
Input level
Output level
Distortion
VILIM
fc=4.5MHz
80
VOSI
fc=4.5MHz±25kHz, fm=1kHz
420
THDSI
MONO 1kHz 100% modulation
S/N
SNSI
75µ De-emphasis
57
[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
Output L/R level difference
∆VOMN
fm=1kHz, 100% modulation, Pre-em.ON
-1.5
MONO distortion
THDM
fm=1kHz, 100% modulation, Pre-em.ON
MONO frequency
characteristics 1
MONO S/N
STEREO output level
STEREO distortion
FCM1
fm=8kHz, 30% modulation, Pre-em.ON
-2
SNM
S=VOMN, N=0% modulation,
57
15kHz LPF+JIS-A
VOST
fm=1kHz, 100% modulation, 15kHzLPF
-9
THDS
fm=1kHz, 100% modulation, 15kHz LPF
STEREO S/N
STEREO separation
SNS
S=VOST, N=0% modulation,
50
15kHz LPF+JIS-A
STSE1
f=300Hz(R/L), 30%modulation, 15kHz LPF
20
STEREO separation2
STSE2
f=3kHz(R/L), 30%modulation, 15kHz LPF
20
Input Pilot level1 for STEREO
detection
VINSD
Pilot(fH)=15.73kHz, 100%=110 mVp-p
Input Pilot level1 hysteresis
for STEREO detection
HYST
Pilot(fH)=15.73kHz, 0dB=VINSD
Stereo VCO free-running
FSTVCO
No signal, the monitor output of Pin 51 is
60.0
frequency
measured.
SAP output level
VOSA
fm=1kHz, 100% modulation, 15kHz LPF
-10
SAP distortion
THDSA
fm=1kHz, 100% modulation, 15kHz LPF
2nd+3rd harmonic distortion, 15kHz LPF
SAP S/N
SNSA
S=VOSA, 100% modulation,
55
15kHz LPF+JIS-A
SAP detection input level
VINSA
SAP Carrier=5fH, 0dB=300 mVp-p
-26
SAP detection hysterisis
HYSA
SAP Carrier=5fH
MODE output MONO
LEDMO
MONO:f=1kHz, 0% modulation
MODE output SAP
LEDSA
SAP:Carrier
1.7
MODE output STEREO
LEDST
STEREO:Pilot
2.7
MODE output ST+SAP
LEDSS
STEREO:Pilot, SAP:Carrier
3.5
[Control hold voltage]
CLOCK Low voltage
VCL
0
CLOCK High voltage
VCH
2.5
DATA Low voltage
VDL
0
DATA High voltage
VDH
2.5
MUTE ON voltage
MON
3.0
MUTE OFF voltage
MOFF
0
REC MUTE ON voltage
RMON
3.0
REC MUTE OFF voltage
RMOFF
0
Ratings
typ
72
0
2
-1
1.7
0
90
530
0.3
62
-7
0
0.15
0
62
-7
1.0
25
25
40
3
63
-7
1.5
65
-20
3
1.0
2.0
3.0
3.8
Unit
max
75 dB
2 dB
3.2 dB
1 dB
2 µVrms
30 mV
100 dBµV
660 mVp-p
0.8 dB
dB
-5.5 dBV
1.5 dB
0.6
%
2 dB
dB
-5 dBV
2.5
%
dB
dB
dB
%
dB
66.8 kHz
-4 dBV
3.5
%
dB
-15 dB
dB
1.3
V
2.3
V
3.3
V
4.2
V
1
V
VCC2
V
1
V
VCC2
V
VCC2
V
1.0
V
VCC2
V
1.0
V
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