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LM1246 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM1246
Description  150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM1246 Datasheet(HTML) 3 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. Test Settings. 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).
200
250
mA
I
S-PS
Supply Current, Power Save
Mode
Test Setting 1, both supplies, no
output loading. See (Note 8).
70
95
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 Table 9. Page RAM Format
(9-bit mode)).
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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