Daewoo TVZ 1321 Service Manual page 48

IMPORTANT IC'S OPERATION
IY03 (LA7411)
1. Case Outline : DIP-24S (300mil) Plastic Package
2. Application : VHS format VTR Record and Playback Head Amplifiers
3. Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
4. Operating conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
5. Electrical Characteristics at Ta = 25°C
Parameter
PB mode
Current dissipation
L
Voltage gain
H
Voltage gain difference
Input conversion
noise distortion
Frequency
characteristics
Second harmonic CH1
distortion
Maximum output level
In-
Symbol
-put
I CCP
CH1 GVP 1 T17A T7A
CH2 GVP 2 T20A
GVP 1
CH1 VNIN 1 T17A T7A
CH2 VNIN2 T20A
CH1 V fp 1 T17A T7A
CH2 Vfp 2 T20A
V HDP 1 T17A T7A
CH2 VHDP 2 T20A
CH1 V OMP 1 T17A T7A
CH2 V OMP 2 T20A
Symbol Conditions
VCC max
Pd max Ta
Topg
Tstg
Symbol Conditions
VC
VCC opg
Out
Conditions
-put
T12:5.0V T10:OPEN
T4:OPEN (PB)
The current flowing
into pins 12
Vi = 38mVpp. f = 1MHz
GVP1-GVP2
VOUT/GVP1.2
after 1.1MHz LPF
Vi=38mVpp. f=7MHz
V OUT/GVP1.2
output ratio
Vi=38mVpp. f=4MHz
(8M component)/
(4M component)
Vi=38mVpp
output ratio
f=1MHz
The output level when
the third harmonic
is-30dB.
46
Ratings
7.0
6.5°C 700
-10 to +65
-40 to +150
Ratings
5.0
4.80 to 5.50
min
T1 T2
EP/ SW30
SP MUTE
0 14
0
56.5 59.5 62.5
2.5
-1
0
2.5
0
2.5 -2.5
0
2.5
0 1.0
2.5
Unit
V
mW
°C
°C
Unit
V
V
typ max Unit
18 22 mA
dB
0 1 dB
1.5 µVrms
1.1
1 dB
-40 -35 dB
1.2 Vpp