la72670bm Sanyo Semiconductor Corporation, la72670bm Datasheet - Page 3

• Manufacturer Part Number: la72670bm
• Description: Us Multiplex Modulation For Vcr Hifi Sound Signal Processor
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
FM R/Lch MIX ratio 1
FM R/Lch MIX ratio 2
FM R/Lch MIX ratio 3
FM R/Lch MIX ratio 4
Carrier 2nd high frequency
Carrier 3rd high frequency
REC current
Cross modulation distortion
0.4M component
modulation distortion 0.9M
component
current ratio –1.5dB
current ratio – 5.5dB
MUTE attenuation value
[FM modulation system] (PB FM IN to LINE OUT), PB mode(G1D8D7;01), FM standard input=300mVp-p(R/Lch ratio=1:1)
Output level Lch
Output level Rch
Output level difference
Output distortion Lch
Output distortion Rch
DO detection level
DO detection hysteresis
HiFi recovery delay time
HiFi detection DC output 1
HiFi detection DC output 2
HiFi detection DC output 3
NORMAL detection
DC output
[Hold pulse occurrence] PB mode, G1D8D7:01
Hold pulse delay time
Hold pulse width
[Band pass filter] PB mode, PB IN = 150mVp-p(R/L MIX ratio 1:1)at Pin 31, Pin 17;2.5V, G1D8D7;01,
1.3MHz BPF monitor level
1.7MHz BPF monitor level
1.3MHz BPF
frequency characteristics 1
1.3MHz BPF
frequency characteristics 2
1.3MHz BPF
frequency characteristics 3
1.7MHz BPF
frequency characteristics 1
1.7MHz BPF
frequency characteristics 2
1.7MHz BPF
frequency characteristics 3
[DO detector / HiFi detector] PB mode(DO DET : fc=1.3MHz / HiFi DET : fc=1.7MHz), G1D8D7:01
Parameter
I O R-1.5dB
I O R-5.5dB
CMDO4
CMDO9
NORDC
THDPR
Symbol
I O RMU
THDPL
VTRS1
VTRS2
VTRS3
R145N
R155N
R185N
DOCH
HIDEL
L145N
L155N
V O PR
VDEM
L115N
V O PL
MIX1
MIX2
MIX3
MIX4
HPW
DOC
HPD
2HD
3HD
I O R
V13
V17
Non modulation, VfoR/VfoL,
P23:OV,P34.Measure, G3D7D6;01
Non modulation, VfoR/VfoL ,
P23:OV,P34.Measure,G3D7D6;00
Non modulation, VfoR/VfoL,
P23:OV,P34.Measure, G3D7D6;10
Non modulation, VfoR/VfoL, P23:OV,
P34.Measure, G3D7D6;11
Non modulation, To each basic frequency.
Non modulation, To each basic frequency.
P23:0V, Inflow current at P26, with current
probe
P23:0V, Compare 0.4MHz with Rch Carrier
Level
P23:0V, Compare 0.9MHz with Rch Carrier
Level
P23:0V G4D6D5:01(-1.5dB)
P23:0V G4D6D5:10(-5.5dB)
REC MUTE ON(Pin 17=H)
fc=1.3±50kHz, fm=1kHz,G=1
fc=1.7MHz±50kHz, fm=1kHz,G=1
fc=1.3MHz±50kHz, fm=1kHz
fc=1.7MHz±50kHz, fm=1kHz
Lch-Rch
fc=1.3MHz±50kHz, fm=1kHz,DIN
fc=1.7MHz±50kHz, fm=1kHz, DIN
The ratio with Standard input 300mVp-p
The delay time that is changed from NORMAL
to HiFi.
Pin 34 INPUT_Level=100mVp-p, 1.3MHz
Pin 34 INPUT_Level=300mVp-p, 1.3MHz
Pin 34 INPUT_Level=1Vp-p, 1.3MHz
Pin 34 INPUT_Level=0mVp-p
AUDIO HEAD PULSE IN
AUDIO HEAD PULSE IN
G2D2D1;01
G2D2D1;10
Level difference between 1.15M/1.3MHz
G2D2D1;01
Level difference between 1.45M/1.3MHz
G2D2D1;01
Level difference between 1.55M/1.3MHz
G2D2D1;01
Level difference between 1.45M/1.7MHz
G2D2D1;10
Level difference between 1.55M/1.7MHz
G2D2D1;10
Level difference between 1.85M/1.7MHz
G2D2D1;10
LA72670BM
Conditions
min
10.1
-2.3
-6.8
-1.5
110
-18
-12
7.1
8.1
9.1
-11
-11
0.5
2.1
3.3
4.3
0.8
7.0
34
80
65
-9
-9
Ratings
typ
10.6
-1.3
-5.8
125
105
-48
-43
-48
-55
-26
-27
-18
7.6
8.6
9.6
0.3
0.3
2.6
3.8
4.8
1.0
8.3
37
90
-9
-9
-3
-8
-3
-2
0
3
Continued on next page.
max
10.1
11.1
No.A0644-3/20
-0.3
-4.8
140
130
115
8.1
9.1
-34
-34
-40
-40
-40
1.5
0.5
0.5
-23
3.1
4.3
5.3
0.4
1.2
9.5
40
-7
-7
-9
-8
5
mAp-p
mVp-p
mVp-p
Unit
dBV
dBV
ms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µs
µs
%
%
V
V
V
V