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LM1237 データシート(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM1237
部品情報  150 MHz I2C Compatible RGB Preamplifier with Internal 254 Character OSD and 4 DACs
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1237 データシート(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, Pins 15 and 19
6.0V
Peak Video DC Output Source Current
(Any One Amp) Pins 18, 19 or 20
1.5 mA
Voltage at Any
Input Pin (V
IN)
V
CC +0.5 > VIN > −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)
3.5 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.
170
245
mA
I
S-PS
Supply Current, Power Save Mode
Test Setting 1, both supplies, no
output loading. See Note 8.
60
82
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
4.4
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
4.2
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 in
dB
Test Setting 2, AC input signal.
−20
dB
A
V G-50%
Gain Attenuation @ 50%
Test Setting 6, AC input signal.
−3.6
dB
A
V G-Min
Maximum Gain Attenuation
Test Setting 7, AC input signal.
−10
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
2


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