LA7053 Datasheet, PDF (1/3 Pages) Sanyo Semicon Device – Video, Audio Signal Processor for UHF Band RF Modulators

Ordering number : EN2010D
Monolithic Linear IC
LA7053
Video, Audio Signal Processor
for UHF Band RF Modulators
Overview
Package Dimensions
The LA7053 is a video, audio signal processor IC for UHF _{unit: mm}
band RF modulators. It performs the functions of TSG (test _3017C-SIP9
signal generator), audio FM modulator, video clamp
circuit, white clip circuit.
[LA7053]
Features
• White clip function.
• On-chip TSG (two vertical white stripes).
• Small-sized package (9-pin SIP).
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Maximum supply voltage
Allowable power dissipation
V_CC max
Pd max
Operating temperature
Topr
Storage temperature
Tstg
Conditions
V7
Ta≤60°C
SANYO: SIP9
Ratings
Unit
12
V
250 mW
–20 to +80
°C
–40 to +125
°C
Operating Conditions at Ta=25°C
Parameter
Symbol
Recommended supply voltage
V_CC
V7
Operating voltage range
V_CC op
Conditions
Ratings
Unit
7.5
V
7.0 to 8.0
V
Operating Characteristics at Ta=25°C, V_CC(V7)=7.5V
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
V_CC7 current drain
Video clamp voltage
Video clamp output amplitude
I_CC7 SW5 ON
12.0
V_VC SW5 ON, SW1 ON, SW2→b, SW3→a 3.7
SW→2b, SW3→a, SW5 ON
–5
20.0
3.9
28.0 mA
4.1 V
+5 %
deviation
at 1Vp-p stair step signal input
Audio FM sensitivity
Audio distortion
∆f_fm
THD
f_m : 1kHz, 4.5Vp-p input,
f_C : 5.5MHz
SW4 on at deviation width 100kHz
870 1200 1500 Hz/mV
0.3 2.5 %
Audio output amplitude
White clip level
TSG output amplitude
V/S ratio
V_WC
V_TSG
f_C : 5.5MHz
0.79 1.00 1.26 Vp-p
1.16 1.19 1.22 Vp-p
0.80 1.04 1.20 Vp-p
7.2/2.8 6.5/3.5 6.0/4.0
Continued on next page.
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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