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LA72702NV Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LA72702NV
Description  Monolithic Linear IC For US TV BTSC Decoder
Download  10 Pages
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LA72702NV
No.A0979-2/10
Electrical Characteristics at Ta
= 25°C, VDD = 5.0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current dissipation
ICC
No signal Inflow current at pin 19, default condition
30
40
50
mA
SIF input level (Reference)
VILIM
fc = 4.5MHz
Deviation
MONO (300Hz, Mod = 100%, Pre-emphasis ON)
±25kHz
(80)
(90)
(100)
dB
μV
Base band input level (Reference)
VILIMB
100% Modulation
MONO(L+R) : 530mVp-p (300Hz, Pre-emphasis ON)
SUB(L-R)
: 380mVp-p (300Hz, dbx-NR ON), Pilot : 110mVp-p
SAP
: 300mVp-p (300Hz, dbx-NR ON)
MONO output level
VOMON
fm=1kHz, 100% Mod, 15kHz LPF
-7.0
-5.5
-4.5
dBV
MONO distortion
THDMON
fm=1kHz, 100% Mod, 15kHz LPF
0.15
0.6
%
MONO frequency characteristics
FCM1
fm=3kHz, 30% Mod, Pre-emphasis ON
* Measure ratio from fm=1kHz level.
-2
0
2
dB
MONO S/N ratio
SNM
S=VOMON, N=0% Mod, 15kHz LPF
55
65
dB
STEREO output level
VOST
fm=1kHz, 100% Mod, 15kHz LPF
-7.0
-5.5
-4.5
dBV
STEREO distortion
THDS
fm=1kHz, 100% Mod, 15kHz LPF
0.5
1.0
%
STEREO frequency characteristics
FCS1
fm=3kHz, 30% Mod, 15kHz LPF
* Measure ratio from fm=1kHz level.
-2
0
2
dB
STEREO S/N ratio
SNS
S=VOST, N=0% Mod, 15kHz LPF
50
60
dB
STEREO separation 1
STSE1
f=300Hz (R/L), 30% Mod, 15kHz LPF
20
25
dB
STEREO separation 2
STSE2
f=3kHz (R/L), 30% Mod, 15kHz LPF
20
25
dB
STEREO Detection level-1
VINSD1
Except Stereo Detection
Stereo Detection
* Serial control “SENS HI” Pilot (fH)=15.73kHz
* Measure pilot level.
30
38
45
%
STEREO Detection level-2
VINSD2
Except Stereo Detection
Stereo Detection
* Serial control “SENS LO”
38
47
53
%
STEREO Detection hysteresis
HYST
Input Mod. Difference at Stereo/Except Stereo Det.
* Serial control “SENS HI”
10
20
30
%
SAP output level-1
VOSA1
fm=1kHz, 100% Mod, 15kHz LPF
* SAP-1 (serial control)
-14.0
-11.0
-8.0
dBV
SAP output level-2
VOSA2
fm=1kHz, 100% Mod, 15kHz LPF
* SAP-2 (serial control)
-7.5
-5.5
-3.5
dBV
SAP distortion
THDSA
fm=1kHz, 100% Mod, 15kHz LPF
0.7
1.5
%
SAP S/N ratio
SNSA
S=VOSA2, N=0% Mod, 15kHz LPF
50
60
dB
SAP detection level-1
VINSA1
Except SAP
→ SAP Det.
* Serial control “SENS HI” SAP Carrier=5fH only
* Measure output level.
10
17
24
%
SAP detection level-2
VINSA2
Except SAP
→ SAP Det.
* Serial control “SENS LO”
* Measure output level.
17
24
31
%
SAP detection hysteresis
HYSA
Input Mod. Difference at SAP/Except SAP Det.
* SAP carrier only.
* Serial control “SENS HI”
2
5
10
%
MODE output MONO
MODMO
Input=MONO : f=1kHz, 0% Mod
0.7
1
1.3
V
MODE output SAP
MODSA
Input=SAP : Carrier
1.6
1.9
2.2
V
MODE output STEREO
MODST
Input=STEREO : Pilot
2.5
2.8
3.1
V
MODE output ST + SAP
MODSS
Input=STEREO : Pilot, SAP : Carrier
3.5
3.8
4.2
V
Stereo detect speed (Reference )
STDT
Input=STEREO : Pilot
I
2C data no-send
Measure pin 20 voltage change to 2.8V timing from
Power ON
(480)
(1000)
ms
SAP detect speed (Reference )
SAPDT
SAP : Carrier
I
2C data no-send
Measure pin 20 voltage change to 1.9V timing from
Power ON
(350)
(1000)
ms
* Normally measurement condition is Input = SIF mode (90dB
μV)
* " Reference " Items are reference levels, their specs are no-guarantee.




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