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LA7053
Ordering number : EN2010D
Video, Audio Signal Processor
for UHF Band RF Modulators
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)/D2695TH/D068MO/1087KI/2216KI/N075MW, TS No.2010-1/3
Package Dimensions
unit: mm
3017C-SIP9
[LA7053]
SANYO: SIP9
Specifications
Maximum Ratings
at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
CC
max V7 12 V
Allowable power dissipation Pd max Ta≤60°C 250 mW
Operating temperature Topr –20 to +80 °C
Storage temperature Tstg –40 to +125 °C
Operating Conditions at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
CC
V7 7.5 V
Operating voltage range V
CC
op 7.0 to 8.0 V
Operating Characteristics at Ta=25°C, V
CC
(V7)=7.5V
Parameter Symbol Conditions
Ratings
min typ max
Unit
V
CC
7 current drain ICC7 SW5 ON 12.0 20.0 28.0 mA
Video clamp voltage V
VC
SW5 ON, SW1 ON, SW2→b, SW3→a 3.7 3.9 4.1 V
Video clamp output amplitude SW
→2b, SW3→a, SW5 ON –5 +5 %
deviation at 1Vp-p stair step signal input
Audio FM sensitivity ∆f
fmfm
: 1kHz, 4.5Vp-p input, 870 1200 1500 Hz/mV
f
C
: 5.5MHz
Audio distortion THD SW4 on at deviation width 100kHz 0.3 2.5 %
Audio output amplitude f
C
: 5.5MHz 0.79 1.00 1.26 Vp-p
White clip level V
WC
1.16 1.19 1.22 Vp-p
TSG output amplitude V
TSG
0.80 1.04 1.20 Vp-p
V/S ratio 7.2/2.8 6.5/3.5 6.0/4.0
Continued on next page.
Overview
The LA7053 is a video, audio signal processor IC for UHF
band RF modulators. It performs the functions of TSG (test
signal generator), audio FM modulator, video clamp
circuit, white clip circuit.
Features
• White clip function.
• On-chip TSG (two vertical white stripes).
• Small-sized package (9-pin SIP).
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LA7053
No.2010-2/3
Continued from preceding page.
Parameter Symbol Conditions
Ratings
min typ max
Unit
Horizontal sync frequency f
S
–5 +5 %
variation
Horizontal sync signal width H
S
3.6 1.0 4.4 µs
variation
White signal width variation H
V
3.6 4.0 4.4 µs
Sync 1st white signal rise time t
V
1 22 24 26 µs
Sync 2nd white signal rise time t
V
2 22 24 26 µs
Equivalent Circuit Block Diagram
Test Circuit
TSG Output Waveform
Unit (resistance : Ω, Capacitance : F)
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LA7053
No.2010-3/3
Sample Application Circuit
Test Conditions
Parameter Symbol
SW Mode
Test point Remarks
SW1 SW2 SW3 SW4 SW5
V
CC
7 current drain ICC7 OFF b a OFF ON Pin 7
Video clamp voltage V
VC
ON b a OFF ON Pin 1
Video clamp output amplitude deviation OFF a a OFF ON Pin 1
Audio FM sensitivity ∆f
fm
OFF b a ON ON Pin 3
Audio distortion THD OFF b a ON ON pin 3
Audio output amplitude OFF b a OFF ON Pin 3
White clip level V
WC
1 ON c a OFF ON Pin 1 VWC=VWC1–VWC2
V
WC
2 ON b b OFF ON Pin 1
TSG output amplitude V
TSG
OFF b a OFF OFF Pin 1
V/S ratio OFF b a OFF OFF Pin 1
Horizontal sync frequency variation f
S
OFF b a OFF OFF Pin 1
Horizontal sync signal width variation H
S
OFF b a OFF OFF Pin 1
White signal width variation H
V
OFF b a OFF OFF Pin 1
Sync 1st white signal rise time t
V
1 OFF b a OFF OFF Pin 1
Sync 2nd white signal rise time t
V
2 OFF b a OFF OFF Pin 1
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.
Ceramic resonator C6
1000pF
680pF
C7
1000pF
330pF
CSB500E53 (Murata)
DCRK500 (Toko)
Unit (resistance : Ω, Capacitance : F)
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