LA7051 Datasheet, PDF (1/3 Pages) Sanyo Semicon Device – Video, Audio Signal Processor for UHF Band RF Modulator

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.
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
V8
Ta≤60°C
SANYO: SIP9
Ratings
Unit
12
V
250 mW
–20 to +85
°C
–55 to +125
°C
Operating Conditions at Ta=25°C
Parameter
Symbol
Recommended supply voltage
V_CC
V8
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 (V8)=7.5V
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
V_CC8 current drain
Video clamp voltage
Audio FM sensitivity
Audio distortion
I_CC8
V_VC
∆f_fm6
∆f_fm7
THD6
f_m : 1kHz, 4.5Vp-p input,
f_C : 5.5MHz
f_m : 1kHz, 4.5Vp-p input,
f_C : 5.5MHz, R* : 15kΩ
At deviation width ±50kHz
9.5 14.5 19.5 mA
3.6 3.8 4.0 V
900 1250 1600 Hz/mV
900 1250 1600 Hz/mV
1.6 2.5 %
Video clamp output amplitude
THD7
f_m : 1kHz, f_C : 5.5MHz
At 1Vp-p stair step signal input
1.6 2.5 %
–5
+5 %
deviation
Audio output amplitude
V_O6
f_C : 5.5MHz
V_O7
White clip level
V_WC
At 1.5Vp-p stair step signal input
*Note : Resistance value of 50kΩ variable resistor in Test Circuit.
0.79
0.79
1.100
1.0 1.26 Vp-p
1.0 1.26 Vp-p
1.189 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