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LM1247 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM1247
Description  150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs
Download  48 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM1247 Datasheet(HTML) 2 Page - National Semiconductor (TI)

 
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Absolute Maximum Ratings (Notes 1, 3)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage V
CC, Pins 10 and 18
6.0V
Peak Video DC Output Source Current
(Any One Amp) Pins 19, 20 or 21
1.5 mA
Voltage at Any Input Pin (V
IN)VCC +0.5
≥ V
IN
≥ −0.5V
Video Inputs (pk-pk)
0.0
≤ V
IN
≤ 1.2V
Thermal Resistance to Ambient (
θ
JA)
51˚C/W
Power Dissipation (P
D)
(Above 25˚C Derate Based
on
θ
JA and TJ)
2.4W
Thermal Resistance to case (
θ
JC)
32˚C/W
Junction Temperature (T
J)
150˚C
ESD Susceptibility (Note 4)
3.0 kV
ESD Machine Model (Note 13)
350V
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
4.75V
≤ V
CC
≤ 5.25V
Video Inputs (pk-pk)
0.0V
≤ V
IN
≤ 1.0V
Video Signal Electrical Characteristics
Unless otherwise noted: T
A = 25˚C, VCC = +5.0V, VIN = 0.70 VP-P,VABL =VCC,CL = 8 pF, Video Outputs = 2.0 VP-P. Setting
numbers refer to the definitions in Table 1. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
S
Supply Current
Test Setting 1, both supplies, no
output loading. See (Note 8).
195
250
mA
I
S-PS
Supply Current, Power Save
Mode
Test Setting 1, both supplies, no
output loading. See (Note 8).
55
85
mA
V
O BLK
Active Video Black Level Output
Voltage
Test Setting 4, no AC input signal, DC
offset (register 0x8438 set to 0xd5).
1.2
VDC
V
O BLK STEP
Active Video Black Level Step
Size
Test Setting 4, no AC input signal.
100
mVDC
V
O Max
Maximum Video Output Voltage
Test Setting 3, Video in = 0.70 V
P-P
4.0
4.3
V
LE
Linearity Error
Test Setting 4, staircase input signal
(see (Note 9)).
5%
t
r
Video Rise Time
(Note 5), 10% to 90%, Test Setting 4,
AC input signal.
3.1
ns
OS
R
Rising Edge Overshoot
(Note 5), Test Setting 4, AC input
signal.
2%
t
f
Video Fall Time
(Note 5), 90% to 10%, Test Setting 4,
AC input signal.
2.9
ns
OS
F
Falling Edge Overshoot
(Note 5), Test Setting 4, AC input
signal.
2%
BW
Channel bandwidth (−3 dB)
(Note 5), Test Setting 4, AC input
signal.
150
MHz
V
SEP 10 kHz
Video Amplifier 10 kHz Isolation
(Note 14), Test Setting 8.
−60
dB
V
SEP 10 MHz
Video Amplifier 10 MHz Isolation
(Note 14), Test Setting 8.
−50
dB
A
V Max
Maximum Voltage Gain
Test Setting 8, AC input signal.
3.8
4.1
V/V
A
V C-50%
Contrast Attenuation @ 50%
Test Setting 5, AC input signal.
−5.2
dB
A
V Min/AV Max
Maximum Contrast Attenuation
(dB)
Test Setting 2, AC input signal.
−20
dB
A
V G-50%
Gain Attenuation @ 50%
Test Setting 6, AC input signal.
−4.0
dB
A
V G-Min
Maximum Gain Attenuation
Test Setting 7, AC input signal.
−11
dB
A
V Match
Maximum Gain Match between
channels
Test Setting 3, AC input signal.
±0.5
dB
A
V Track
Gain Change between channels
Tracking when changing from Test
Setting 8 to Test Setting 5. See (Note
11).
±0.5
dB
www.national.com
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