LM1276 National Semiconductor Corporation, LM1276 Datasheet - Page 4

• Manufacturer Part Number: LM1276
• Description: 150 Mhz I2c Compatible Rgb Preamplifier With Internal 512 Character Osd Rom, 512 Character Ram And 4 Dacs
• Manufacturer: National Semiconductor Corporation

www.national.com
I
I
V
V
V
V
V
LE
t
OS
t
OS
BW
V
V
A
A
A
S
S-PS
r
f
O BLK A-B
O BLK A-B, CH-CH
O BLK
O BLK STEP
O
SEP
SEP
V
V
V
Absolute Maximum Ratings
3)
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
and 22
Peak Video DC Output Source Current
Voltage at Any Input Pin (V
Video Inputs (pk-pk)
Thermal Resistance to Ambient (θ
Power Dissipation (P
R
F
Max
C-50%
Min/A
Max
(Any One Amp) Pins 23, 24 or 25
(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
Typical Video Black Level
Difference between Normal Video
and Hi-Brite Video.
Typical Channel to Channel
Video Black Level Difference
between Normal Video and
Hi-Brite Video.
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)
CC
, Pins 10, 14, 17,
D
)
A
IN
= 25˚C, V
Parameter
)
JA
)
–0.5V ≤ V
CC
@
50%
= +5.0V, V
0.0V ≤ V
(Notes 1,
IN
≤ V
IN
IN
Test Setting 1, both supplies, no
output loading. See (Note 8).
Test Setting 1, both supplies, no
output loading. See (Note 8).
No AC Input Signal
No AC Input Signal
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.
CC
51˚C/W
1.5 mA
= 0.70 V
≤ 1.2V
+0.5V
2.4W
6.0V
4
P-P
, V
Conditions
Operating Ratings
Thermal Resistance to Case (θ
Junction Temperature (T
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
J
)
Min
-50
-50
4.0
3.8
(Note 2)
JC
)
−5.2
4.75V ≤ V
Typ
−60
−50
−12
220
100
150
1.2
4.3
3.1
2.9
4.1
55
0
0
5
2
2
0.0V ≤ V
−65˚C to +150˚C
0˚C to +70˚C
Max
TBD
P-P
300
CC
85
50
IN
. Setting
≤ 5.25V
≤ 1.0V
32˚C/W
mVDC
3.0 kV
150˚C
265˚C
Units
VDC
VDC
VDC
MHz
350V
mA
mA
V/V
dB
dB
dB
dB
ns
ns
%
%
%
V