
LA7051
Ordering number : EN1455C
Video, Audio Signal Processor
for UHF Band RF Modulator
Monolithic Linear IC
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
Package Dimensions
unit: mm
3017C-SIP9
[LA7051]
SANYO: SIP9
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
V8
12
V
Allowable power dissipation
Pd max
Ta
≤60°C
250
mW
Operating temperature
Topr
–20 to +85
°C
Storage temperature
Tstg
–55 to +125
°C
Operating Conditions at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
V8
7.5
V
Operating voltage range
VCC op
7.0 to 8.0
V
Operating Characteristics at Ta=25°C, VCC (V8)=7.5V
Parameter
Symbol
Conditions
Ratings
min
typ
max
Unit
VCC8 current drain
ICC8
9.5
14.5
19.5
mA
Video clamp voltage
VVC
3.6
3.8
4.0
V
Audio FM sensitivity
ffm6fm : 1kHz, 4.5Vp-p input,
900
1250
1600
Hz/mV
fC : 5.5MHz
ffm7fm : 1kHz, 4.5Vp-p input,
900
1250
1600
Hz/mV
fC : 5.5MHz, R* : 15k
Audio distortion
THD6
At deviation width ±50kHz
1.6
2.5
%
THD7
fm : 1kHz, fC : 5.5MHz
1.6
2.5
%
Video clamp output amplitude
At 1Vp-p stair step signal input
–5
+5
%
deviation
Audio output amplitude
VO6fC : 5.5MHz
0.79
1.0
1.26
Vp-p
VO7
0.79
1.0
1.26
Vp-p
White clip level
VWC
At 1.5Vp-p stair step signal input
1.100
1.189
Vp-p
*Note : Resistance value of 50k
variable resistor in Test Circuit.
Overview
The LA7051 is a video, audio signal processor IC for UHF
band RF modulator. It performs the functions of audio FM
modulator, video clamp circuit, white clip circuit.
Applications
VCRs.
Features
5.5MHz/6.0MHz audio modulation frequency selectable
with control pin.
Contains white clip circuit.
Minimum number of external parts required.