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參數資料
| 型號： | LA7138M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | 0.300 INCH, MFP-24 |
| 文件頁數： | 6/13頁 |
| 文件大小： | 320K |
| 代理商： | LA7138M |
LA7138M
No.A0220-2/16
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage A
VCC A
*
12.0
V
Operating supply voltage range A
VCCop A
9.0 to 13.0
V
Recommended supply voltage B
VCC B
*
8.0
V
Operating supply voltage range B
VCCop B
7.5 to 8.5
V
Input pin voltage application range
VIN
VCCop A, B+0.3≤13V
-0.3 to VCCop A, B+0.3
V
*:A different operation circuit is recommended for recommended supply voltages A and B. An external operation circuit with a PNP transistor for voltage drop is
recommended for the recommended supply voltage A.
Electrical Characteristics at Ta = 25
°C, VCCA = 9.0 to 13.0V,VCCB = 7.5 to 8.5V
Ratings
Parameter
Symbol
Input
signal
Test
point
Conditions
min
typ
max
Unit
Current drain (1)
ICC1
9pin
Current drain of VIDEO system.
29.6
37.0
44.4
mA
(A) Pin 10 (Y signal) input when the composite/S is selected.
AMP-GAIN (Low)
GYM
Sig.1
T13/15
GAIN when 996mVp-p, 100kHz is entered.
5.05
5.27
5.48
dB
AMP-GAIN (High)
GYH
Sig.1
T13/15
GAIN when 761mVp-p, 100kHz is entered.
7.38
7.6
7.81
dB
Clamp voltage
C10H
Sig.1
T10
Potential of sink chip of T10 when 761mVp-p is
entered.
3.85
4.20
4.55
V
(B) Pin 6 (chroma signal) input when the composite/S is selected.
AMP-GAIN (Low)
GCM
Sig.2
T17/19
GAIN when 711mVp-p, 3.58MHz is entered.
5.05
5.27
5.48
dB
AMP-GAIN (High)
GCH
Sig.2
T17/19
GAIN when 544mVp-p, 3.58MHz is entered.
7.38
7.6
7.81
dB
Chroma input
DC voltage
D6H
Sig.2
T6
Offset voltage of T6 when 544 mVp-p is entered.
4.4
4.75
5.1
V
(C) Pin 3 (composite signal) input when the composite is selected.
AMP-GAIN (Low)
GSM1
Sig.3
T21/23
GAIN when 996mVp-p, 100kHz is entered.
5.05
5.27
5.48
dB
AMP-GAIN (High)
GSH1
Sig.3
T21/23
GAIN when 761mVp-p, 100kHz is entered.
7.38
7.6
7.81
dB
Clamp voltage
C3H
Sig.3
T3
Potential of sink chip of T3 when 761mVp-p is
entered.
4.0
4.35
4.7
V
(D) Pins 6, 10 (S signal) input when the S is selected.
To select “S”, insert a 5.1k
resistor in series with pin 2, (See the block diagram.)
AMP-GAIN (Low)
GSM2
Sig.1
Sig.2
T21/23
GAIN when 996mVp-p, 100kHz or 711mVp-p,
3.58MHz is entered.
4.92
5.27
5.61
dB
AMP-GAIN (High)
GSH2
Sig.1
Sig.2
T21/23
GAIN when 761mVp-p, 100kHz or 544mVp-p,
3.58MHz is entered.
7.25
7.6
7.94
dB
(E) GAIN ratio of signals when the composite is selected.
Y/chroma
-AMP-GAIN ratio
YC
Sig.1
Sig.2
T13/15T
17/19
GAIN ratio between GYH of (A) and GCH of (B).
-3
0
3
%
Y/composite-AMP-
GAIN ratio
YS1
Sig.1
Sig.3
T13/15
T21/23
GAIN ratio between GYH of (A) and GSH1 of (C).
-3
0
3
%
Chroma/composite
-AMP-GAIN ratio
CS1
Sig.2
Sig.3
T17/19
T21/23
GAIN ratio between GCH of (B) and GSH1 of (C).
-3
0
3
%
(F) GAIN ratio of signals when the S signal is selected.
Y/S-AMP-GAIN ratio
YS2
Sig.1
Sig.2
T13/15
T21/23
GAIN ratio between GYH of (A) and GSH2 of (D)
-4.5
0
4.5
%
Chroma/S-AMP-
GAIN ratio
CS2
Sig.1
Sig.2
T17/19
T21/23
GAIN ratio between GCH of (B) and GSH2 of (D).
-4.5
0
4.5
%
(G) Pin 10 (Y signal) input when the component is selected.
AMP-GAIN (Low)
GYM
Sig.1
T13/15
GAIN when 996mVp-p, 100 kHz is entered.
5.05
5.27
5.48
dB
AMP-GAIN (High)
GYH
Sig.1
T13/15
GAIN when 761mVp-p, 100 kHz is entered.
7.38
7.6
7.81
dB
Y input clamp voltage
C10H
Sig.1
T10
Potential of sink chip of T10 when 761mVp-p is
entered.
3.85
4.20
4.55
V
Continued on next page.
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