SANYO LA7053

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).
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
V7
Ta≤60°C
12
250
–20 to +80
–40 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
V7
7.5
7.0 to 8.0
Unit
V
V
Operating Characteristics at Ta=25°C, VCC(V7)=7.5V
Parameter
Symbol
Conditions
VCC7 current drain
Video clamp voltage
Video clamp output amplitude
deviation
Audio FM sensitivity
ICC7
VVC
Audio distortion
Audio output amplitude
White clip level
TSG output amplitude
V/S ratio
THD
SW5 ON
SW5 ON, SW1 ON, SW2→b, SW3→a
SW→2b, SW3→a, SW5 ON
at 1Vp-p stair step signal input
fm : 1kHz, 4.5Vp-p input,
fC : 5.5MHz
SW4 on at deviation width 100kHz
fC : 5.5MHz
∆ffm
VWC
VTSG
Ratings
Unit
min
12.0
3.7
–5
typ
20.0
3.9
max
28.0
4.1
+5
870
1200
1500 Hz/mV
mA
V
%
0.3
2.5 %
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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LA7053
Continued from preceding page.
Parameter
Horizontal sync frequency
variation
Horizontal sync signal width
variation
White signal width variation
Sync 1st white signal rise time
Sync 2nd white signal rise time
Symbol
Conditions
Ratings
typ
max
+5
Unit
fS
min
–5
HS
3.6
1.0
4.4
µs
HV
tV1
tV2
3.6
22
22
4.0
24
24
4.4
26
26
µs
µs
µs
%
Equivalent Circuit Block Diagram
Test Circuit
Unit (resistance : Ω, Capacitance : F)
TSG Output Waveform
No.2010-2/3
LA7053
Sample Application Circuit
Unit (resistance : Ω, Capacitance : F)
Ceramic resonator
C6
C7
CSB500E53 (Murata)
1000pF
1000pF
DCRK500 (Toko)
680pF
330pF
Test Conditions
Parameter
VCC7 current drain
Video clamp voltage
Video clamp output amplitude deviation
Audio FM sensitivity
Audio distortion
Audio output amplitude
White clip level
TSG output amplitude
V/S ratio
Horizontal sync frequency variation
Horizontal sync signal width variation
White signal width variation
Sync 1st white signal rise time
Sync 2nd white signal rise time
Symbol
ICC7
VVC
∆ffm
THD
VWC1
VWC2
VTSG
fS
HS
HV
t V1
tV2
SW Mode
SW1 SW2 SW3 SW4 SW5
OFF
b
a
OFF ON
ON
b
a
OFF ON
OFF
a
a
OFF ON
OFF
b
a
ON
ON
OFF
b
a
ON
ON
OFF
b
a
OFF ON
ON
c
a
OFF ON
ON
b
b
OFF ON
OFF
b
a
OFF OFF
OFF
b
a
OFF OFF
OFF
b
a
OFF OFF
OFF
b
a
OFF OFF
OFF
b
a
OFF OFF
OFF
b
a
OFF OFF
OFF
b
a
OFF OFF
Test point
Pin 7
Pin 1
Pin 1
Pin 3
pin 3
Pin 3
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Pin 1
Remarks
VWC=VWC1–VWC2
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.2010-3/3