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LM1279 Datasheet(Fiches technique) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Numéro de pièce LM1279
Description  110 MHz RGB Video Amplifier System with OSD
Télécharger  14 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Pins 2 and 16 (Note 3)
10V
Peak Video Output Source Current
(Any One Amp) Pins 13, 15, or 18
28 mA
Voltage at Any Input Pin (V
IN)VCC ≥ VIN ≥ GND
Power Dissipation (P
D)
(Above 25˚C Derate Based on
θ
JA
and T
J)
2.1W
Thermal Resistance to Ambient (
θ
JA)
60˚C/W
Thermal Resistance to Case (
θ
JA)
37˚C/W
Junction Temperature (T
J)
150˚C
ESD Susceptibility (Note 4)
3.5 kV
ESD Machine Model (Note 16)
300V
Storage Temperature
−65˚C to 150˚C
Lead Temperature
(Soldering, 10 sec.)
265˚C
Operating Ratings (Note 2)
Temperature Range
0˚C to 70˚C
Supply Voltage (V
CC)
7.5V
≤ V
CC
8.5V
DC Electrical Characteristics
T
A = 25˚C; VCC1 =VCC2 = 8V; V10 = 4V; VDrive = 4V; V11 = 7V; VOSD = 0V; RL = 390Ω unless otherwise stated.
Symbol
Parameter
Condition
Typical
(Note 5)
Limit
(Note 6)
Units
I
S
Supply Current
I
CC1 +ICC2 −ILoad (Note 7)
80
90
mA(max)
V
3, 5, 8
Video Amplifier Input Bias Voltage
2.5
V
R
IN
Video Input Resistance
Any One Amplifier
20
k
V
11off
Sandcastle Off Voltage
1.4
1.2
V (max)
V
11blank
Sandcastle Blank Voltage
Start of Blank Region
1.4
1.7
V (min)
V
11blank
Sandcastle Blank Voltage
End of Blank Region
2.8
3.2
V (max)
V
11clamp &
Blank
Sandcastle Clamp and Blank On
Voltage
Start of Clamp and Blank
Region
3.2
3.6
V (min)
V
11clamp &
Blank
Sandcastle Clamp and Blank On
Voltage
End of Clamp and Blank
Region
6.2
5.8
V (max)
V
11clamp
Sandcastle Clamp On/Blank Off
Voltage
Clamp Only Region, Max =
V
CC
6.2
6.5
V (min)
I
11off
Sandcastle Off Current
V
11 = 0V
−5.0
−8.0
µA(max)
I
11test
Sandcastle Clamp On/Blank Off
Curr
V
11 = 6.5V
−100
−500
nA(max)
I
clamp
Clamp Cap Charge Current
Clamp Comparators On
±750
±500
µA(min)
I
bias
Clamp Cap Bias Discharge
Current
Clamp Comparators Off
50
200
nA (max)
V
OL
Video Black Level
V
Video in = 0V, V11 = 6.5V
1.35
1.55
V (max)
∆V
OL
Video
∆Black Level Output
Voltage
Between Any Two Amplifiers
±50
±200
mV (max)
V
OH
Video Output High Voltage
V
11 < 1.2V
5.0
4.6
V (min)
I
10, 12, 14, 17
Contrast/Drive Control Input
Current
V
Contrast =VDrive =0Vto4V
−0.25
−1.5
µA (max)
I
1l, 19l, 20l
OSD Low Input Current (each)
V
OSD in = 0V
−2.5
−10.0
µA(max)
I
1h, 19h, 20h
OSD High Input Current (each)
V
OSD in = 5V
100
130
µA(max)
V
OL(Blank)
Video Output during Blanking
V
11 = 1.7V
0.1
0.5
V (max)
AC Electical Characteristics
T
A = 25˚C; VCC1 =VCC2 = 8V. Manually adjust Video Output pins 13, 15, and 18 to 4V DC for the AC test unless otherwise
stated. (Note 15)
Symbol
Parameter
Conditions
Typical
(Note 5)
Limit
(Note 6)
Units
A
Vmax
Video Amplifier Gain
V
10 = 4V, VIN = 635 mVPP
6.8
5.9
V/V (min)
V
drive = 4V
16.7
15.4
dB (min)
∆A
V2V
Contrast Attenuation @ 2V
Ref: A
V max, V10 =2V
−6
dB
www.national.com
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