SANYO LA7051

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
[LA7051]
• VCRs.
Features
• 5.5MHz/6.0MHz audio modulation frequency selectable
with control pin.
• Contains white clip circuit.
• Minimum number of external parts required.
SANYO: SIP9
Specifications
Maximum Ratings at Ta=25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Conditions
Ratings
V8
Ta≤60°C
12
250
–20 to +85
–55 to +125
Unit
V
mW
°C
°C
Operating Conditions at Ta=25°C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
VCC
VCC op
Conditions
Ratings
V8
7.5
7.0 to 8.0
Unit
V
V
Operating Characteristics at Ta=25°C, VCC (V8)=7.5V
Parameter
VCC8 current drain
Video clamp voltage
Audio FM sensitivity
Symbol
ICC8
VVC
∆ffm6
∆ffm7
Audio distortion
Video clamp output amplitude
deviation
Audio output amplitude
THD6
THD7
Conditions
fm : 1kHz, 4.5Vp-p input,
fC : 5.5MHz
fm : 1kHz, 4.5Vp-p input,
fC : 5.5MHz, R* : 15kΩ
At deviation width ±50kHz
fm : 1kHz, fC : 5.5MHz
At 1Vp-p stair step signal input
fC : 5.5MHz
VO6
VO 7
At 1.5Vp-p stair step signal input
White clip level
VWC
*Note : Resistance value of 50kΩ variable resistor in Test Circuit.
Ratings
Unit
min
9.5
3.6
900
typ
14.5
3.8
1250
max
19.5
4.0
1600
mA
V
Hz/mV
900
1250
1600
Hz/mV
1.6
1.6
2.5
2.5
+5
1.0
1.0
1.26
1.26
1.189
–5
0.79
0.79
1.100
%
%
%
Vp-p
Vp-p
Vp-p
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
LA7051
LA7051 Test Condition
Parameter
VCC8 current drain
Video clamp voltage
Audio FM sensitivity
Audio distortion
Video clamp output amplitude deviation
Audio output amplitude
White clip level
Symbol
ICC8
VVC
∆ffm6
∆ffm7
THD6
THD7
VO6
VO7
VWC1
VWC2
SW Mode
SW1 SW2 SW3 SW4 SW5
OFF
c
a
OFF ON
ON
c
a
OFF OFF
OFF
c
a
ON
ON
OFF
c
a
ON OFF
OFF
c
a
ON
ON
OFF
c
a
ON OFF
OFF
a
a
OFF OFF
OFF
c
a
OFF ON
OFF
c
a
OFF OFF
ON
b
a
OFF OFF
ON
c
b
OFF OFF
Test point
Pin 8
Pin 1
Pin 3
Pin 3
pin 3
pin 3
Pin 1
Pin 3
pin 3
Pin 1
Pin 1
Remarks
VWC=VWC1–VWC2
Test Circuit
Unit (resistance : Ω, Capacitance : F)
Equivalent Circuit Block Diagram
No.1455-2/3
LA7051
No products described or contained herein are intended for use in surgical implants, life-support systems,
aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and
the like, the failure of which may directly or indirectly cause injury, death or property lose.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates,
subsidiaries and distributors and all their officers and employees, jointly and severally, against any
and all claims and litigation and all damages, cost and expenses associated with such use:
Not impose any responsibilty for any fault or negligence which may be cited in any such claim or
litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of
their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees
are made or implied regarding its use or any infringements of intellectual property rights or other rights of
third parties.
This catalog provides information as of July, 1997. Specifications and information herein are subject to
change without notice.
No.1455-3/3