Ordering number : EN1455C
Monolithic Linear IC
LA7051
Video, Audio Signal Processor
for UHF Band RF Modulator
Overview
Package Dimensions
The LA7051 is a video, audio signal processor IC for UHF
unit: mm
band RF modulator. It performs the functions of audio FM
3017C-SIP9
modulator, video clamp circuit, white clip circuit.
Applications
鈥?VCRs.
[LA7051]
Features
鈥?5.5MHz/6.0MHz audio modulation frequency selectable
with control pin.
鈥?Contains white clip circuit.
鈥?Minimum number of external parts required.
Specifications
Maximum Ratings
at Ta=25擄C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Conditions
V8
Ta鈮?0擄C
Ratings
12
250
鈥?0 to +85
鈥?5 to +125
SANYO: SIP9
Unit
V
mW
擄C
擄C
Operating Conditions
at Ta=25擄C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
V
CC
V
CC
op
Conditions
V8
Ratings
7.5
7.0 to 8.0
Unit
V
V
Operating Characteristics
at Ta=25擄C, V
CC
(V8)=7.5V
Parameter
V
CC
8 current drain
Video clamp voltage
Audio FM sensitivity
Symbol
I
CC
8
V
VC
鈭唂
fm
6
鈭唂
fm
7
Audio distortion
Video clamp output amplitude
deviation
Audio output amplitude
THD6
THD7
Conditions
Ratings
min
9.5
3.6
900
900
typ
14.5
3.8
1250
1250
1.6
1.6
鈥?
0.79
0.79
1.100
1.0
1.0
max
19.5
4.0
1600
1600
2.5
2.5
+5
1.26
1.26
1.189
Unit
mA
V
Hz/mV
Hz/mV
%
%
%
Vp-p
Vp-p
Vp-p
f
m
: 1kHz, 4.5Vp-p input,
f
C
: 5.5MHz
f
m
: 1kHz, 4.5Vp-p input,
f
C
: 5.5MHz, R* : 15k鈩?/div>
At deviation width 鹵50kHz
f
m
: 1kHz, f
C
: 5.5MHz
At 1Vp-p stair step signal input
f
C
: 5.5MHz
V
O
6
V
O
7
At 1.5Vp-p stair step signal input
White clip level
V
WC
*Note : Resistance value of 50k鈩?variable resistor in Test Circuit.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
73097HA (KT)/D1595TH/D068MO/3214KI/1194KI, TS No.1455-1/3
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