LM1247 National Semiconductor, LM1247 Datasheet - Page 2

• Manufacturer Part Number: LM1247
• Description: 150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs
• Manufacturer: National Semiconductor

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I
I
V
V
V
LE
t
OS
t
OS
BW
V
V
A
A
A
A
A
A
A
S
S-PS
r
f
O BLK
O BLK STEP
O
SEP
SEP
V
V
V
V
V
V
V
Absolute Maximum Ratings
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Video Signal Electrical Characteristics
Unless otherwise noted: T
numbers refer to the definitions in Table 1. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.
Supply Voltage V
Peak Video DC Output Source Current
Voltage at Any Input Pin (V
Video Inputs (pk-pk)
Thermal Resistance to Ambient (θ
Power Dissipation (P
Thermal Resistance to case (θ
Junction Temperature (T
R
F
Max
C-50%
Min/A
G-50%
G-Min
Match
Track
Max
(Any One Amp) Pins 19, 20 or 21
(Above 25˚C Derate Based
on θ
Symbol
10 kHz
10 MHz
V
JA
Max
and T
J
)
Supply Current
Supply Current, Power Save
Mode
Active Video Black Level Output
Voltage
Active Video Black Level Step
Size
Maximum Video Output Voltage
Linearity Error
Video Rise Time
Rising Edge Overshoot
Video Fall Time
Falling Edge Overshoot
Channel bandwidth (−3 dB)
Video Amplifier 10 kHz Isolation
Video Amplifier 10 MHz Isolation
Maximum Voltage Gain
Contrast Attenuation
Maximum Contrast Attenuation
(dB)
Gain Attenuation
Maximum Gain Attenuation
Maximum Gain Match between
channels
Gain Change between channels
CC
, Pins 10 and 18
D
)
J
)
A
IN
= 25˚C, V
Parameter
)
JC
)
JA
@
)
50%
V
CC
@
CC
50%
= +5.0V, V
+0.5 ≥ V
0.0 ≤ V
(Notes 1, 3)
IN
IN
IN
Test Setting 1, both supplies, no
output loading. See (Note 8).
Test Setting 1, both supplies, no
output loading. See (Note 8).
Test Setting 4, no AC input signal, DC
offset (register 0x8438 set to 0xd5).
Test Setting 4, no AC input signal.
Test Setting 3, Video in = 0.70 V
Test Setting 4, staircase input signal
(see (Note 9)).
(Note 5), 10% to 90%, Test Setting 4,
AC input signal.
(Note 5), Test Setting 4, AC input
signal.
(Note 5), 90% to 10%, Test Setting 4,
AC input signal.
(Note 5), Test Setting 4, AC input
signal.
(Note 5), Test Setting 4, AC input
signal.
(Note 14), Test Setting 8.
(Note 14), Test Setting 8.
Test Setting 8, AC input signal.
Test Setting 5, AC input signal.
Test Setting 2, AC input signal.
Test Setting 6, AC input signal.
Test Setting 7, AC input signal.
Test Setting 3, AC input signal.
Tracking when changing from Test
Setting 8 to Test Setting 5. See (Note
11).
≥ −0.5V
51˚C/W
32˚C/W
1.5 mA
≤ 1.2V
= 0.70 V
150˚C
2.4W
6.0V
2
P-P
Conditions
, V
Operating Ratings
ESD Susceptibility (Note 4)
ESD Machine Model (Note 13)
Storage Temperature
Lead Temperature (Soldering, 10 sec.)
Temperature Range
Supply Voltage V
Video Inputs (pk-pk)
ABL
= V
CC
, C
L
= 8 pF, Video Outputs = 2.0 V
CC
P-P
Min
4.0
3.8
(Note 2)
−11
±
−5.2
−4.0
±
4.75V ≤ V
Typ
−60
−50
−20
195
100
150
1.2
4.3
3.1
2.9
4.1
0.5
55
5
2
2
0.5
0.0V ≤ V
−65˚C to +150˚C
0˚C to +70˚C
Max
250
CC
85
P-P
IN
≤ 5.25V
. Setting
≤ 1.0V
mVDC
3.0 kV
265˚C
Units
VDC
MHz
350V
mA
mA
V/V
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns
%
%
%
V