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LM1276 データシート(PDF) 4 Page - Texas Instruments

部品番号 LM1276
部品情報  Compatible RGB Preamplifier
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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LM1276 データシート(HTML) 4 Page - Texas Instruments

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OBSOLETE
LM1276
SNOSAB9B – MAY 2005 – REVISED APRIL 2013
www.ti.com
Absolute Maximum Ratings
(1) (2) (3)
Supply Voltage VCC, Pins 10, 14, 17, and 22
6.0V
Peak Video DC Output Source Current (Any One Amp) Pins 23, 24 or 25
1.5 mA
Voltage at Any Input Pin (VIN)
–0.5V
≤ VIN ≤ VCC+0.5V
Video Inputs (pk-pk)
0.0V
≤ VIN ≤ 1.2V
Thermal Resistance to Ambient (
θJA)
51°C/W
Power Dissipation (PD)(Above 25°C Derate Based on θJA and TJ)
2.4W
Thermal Resistance to Case (
θJC)
32°C/W
Junction Temperature (TJ)
150°C
ESD Susceptibility(4)
3.0 kV
ESD Machine Model(5)
350V
Storage Temperature
−65°C to +150°C
Lead Temperature (Soldering, 10 sec.)
265°C
(1)
All voltages are measured with respect to GND, unless otherwise specified.
(2)
Limits of Absolute Maximum Ratings indicate below which damage to the device must not occur.
(3)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(4)
Human body model, 100 pF discharged through a 1.5 k
Ω resistor.
(5)
Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200 pF cap is charged to the specific voltage, then discharged
directly into the IC with no external series resistor (resistance of discharge path must be under 50
Ω).
Operating Ratings
(1)
Temperature Range
0°C to +70°C
Supply Voltage VCC
4.75V
≤ VCC ≤ 5.25V
Video Inputs (pk-pk)
0.0V
≤ VIN ≤ 1.0V
(1)
Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits.
Electrical Characteristics - Video Signal
(1)
Unless otherwise noted: TA = 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
(2) for Min and Max parameters and (3) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IS
Supply Current
Test Setting 1, both supplies, no output loading.
220
300
mA
See(4).
IS-PS
Supply Current, Power Save
Test Setting 1, both supplies, no output loading.
55
85
mA
Mode
See(4).
VO BLK A-B
Typical Video Black Level
No AC Input Signal
Difference between Normal
-50
0
TBD
VDC
Video and Hi-Brite Video.
VO BLK A-B, CH-CH
Typical Channel to Channel
No AC Input Signal
Video Black Level Difference
-50
0
50
VDC
between Normal Video and
Hi-Brite Video.
VO BLK
Active Video Black Level Output Test Setting 4, no AC input signal, DC offset
1.2
VDC
Voltage
register (0x8438) set to 0xD5.
VO BLK STEP
Active Video Black Level Step
Test Setting 4, no AC input signal.
100
mVDC
Size
VO Max
Maximum Video Output Voltage
Test Setting 3, Video in = 0.70 VP-P
4.0
4.3
V
LE
Linearity Error
Test Setting 4, staircase input signal. See(5)
5
%
(1)
Adjust input frequency from 10 MHz (AV max reference level) to the −3 dB corner frequency (f−3 dB).
(2)
Data sheet min/max specification limits are specified by design, test, or statistical analysis. The ensured specifications apply only for the
test conditions listed. Some performance characteristics may change when the device is not operated under the listed test conditions.
(3)
Typical specifications are specified at +25°C and represent the most likely parametric norm.
(4)
The supply current specified is the quiescent current for VCC and 5V Dig with RL = ∞. Load resistors are not required and are not used in
the test circuit, therefore, all the supply current is used by the pre-amp.
(5)
Linearity Error is the maximum variation in step height of a 16 step staircase input signal waveform with a 0.7 VP-P level at the input. All
16 steps equal, with each at least 100 ns in duration.
4
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LM1276


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