SANYO LA7053 Datasheet
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).
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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