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參數(shù)資料
| 型號(hào)： | LM1203N |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PDIP28 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 128K |
| 代理商： | LM1203N |
VOdiff
Output voltage difference between any two channels
mV
±0.5
±50
40
LM1203, LM1203A
RGB VIDEO AMPLIFIER SYSTEMS
SLFS048 – MARCH 1990 – REVISED OCTOBER 1991
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
3
electrical characteristics at 25
°C free-air temperature, V12 = 6 V, V14 = 0, V15 = 2 V,
VCC1
= VCC2 = 12 V (see Figure 1) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC
Supply current
VCC1 only
60
90
mA
Vref
Video input reference voltage
2.2
2.4
2.6
V
IIB
Video input bias current
Any amplifier
5
20
A
VIL(14)
Clamp gate low-level input voltage
Clamp comparators on
0.8
1.2
V
VIH(14)
Clamp gate high-level input voltage
Clamp comparators off
1.6
2
V
IIL(14)
Clamp gate low input current
V14 = 0
– 0.5
–5
A
IIH(14)
Clamp gate high input current
V14 = VCC
0.005
1
A
IK(chg)
Clamp capacitor charge current
V5,8 or 10 = 0
850
A
IK(dschg)
Clamp capacitor discharge current
V5,8 or 10 = 5 V
– 850
A
VOL
Low-level output voltage
V5,8 or 10 = 0
1.2
V
VOH
High-level output voltage
V5,8 or 10 = 5 V
8.9
V
V15 = 2 V
V15 = 4 V
operating characteristics at 25
°C free-air temperature, V14 = 0 V, V15 = 4 V, fin = 10 kHz (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AVmax
Maximum voltage amplification
V12 = 12 V,
VI(PP) = 560 mV
LM1203
LM1203A
8.8
7.8
V/V
AVmid
Mid-range voltage amplification
V12 = 5 V,
VI(PP) = 560 mV
LM1203
LM1203A
3.5
2.5
V/V
V12low
Contrast voltage for minimum
amplification
VI(PP) = 1 V,
See Note 3
2
V
AVmax(diff)
Amplification match at AV max
V12 = 12 V,
See Note 4
±0.2
dB
AVmid(diff)
Amplification match at AV mid
V12 = 5 V,
See Note 3
±0.2
dB
AVlow(diff)
Amplification match at AV low
V12 = V12low, See Notes 3 and 4
±0.2
dB
THD
Total harmonic distortion
V12 = 3 V,
VI(PP) = 1 V
0.5
%
BW(– 3 dB)
Amplifier bandwidth
V12 = 12 V,
See Notes 5 and 7
70
MHz
V12 = 12 V,
f = 10 kHz,
See Note 6
60
ax
Crosstalk attenuation
V12 = 12 V,
f = 10 MHz,
dB
See Notes 6 and 7
NOTES: 3. Determine V12low for – 40-dB attenuation of output. Reference to AV maximum.
4. Measure gain difference between any two amplifiers, VI(PP) = 1 V.
5. Adjust input frequency from 10 kHz (AV maximum ref level) to the – 3-dB corner frequency (f – 3 dB). VI(PP) = 560 mV.
6. VI(PP) = 560 mV at f = 10 kHz to any amplifier. Measure output levels of the other two undriven amplifiers relative to driven amplifier
to determine channel separation. Terminate the undriven amplifier inputs to simulate generator loading. Repeat test at f = 10 MHz for
ax = 10 MHz.
7. A special text fixture without a socket is required.
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|---|---|
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