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National Semiconductor Electronic Components Datasheet

LM2419 Datasheet

Triple 65 MHz CRT Driver

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LM2419 pdf
December 1994
LM2419
Triple 65 MHz CRT Driver
General Description
The LM2419 contains three wide bandwidth large signal
amplifiers designed for large voltage swings The amplifiers
have a gain of b15 The device is intended for use in color
CRT monitors and is a low cost solution to designs conform-
ing to 1024 x 768 display resolution
The device is mounted in the industry standard 11-lead
TO-220 molded power package The heat sink is electrically
isolated and may be grounded for ease of manufacturing
and EMI RFI shielding
Features
Y 50 VPP output swing at 65 MHz
Y Rise Fall time 5 ns with 12 pF load
Y 60 VPP output swing capability
Y Pin and function compatible with LM2416
Y No low frequency tilt compensation required
Applications
Y CRT driver for SVGA IBM 8514 and 1024 x 768
display resolution RGB monitors
Schematic and Connection Diagrams
One Channel
TL H 11442 – 1
TL H 11442 – 2
Order Number LM2419T
See NS Package Number TA11B
C1995 National Semiconductor Corporation TL H 11442
RRD-B30M115 Printed in U S A


National Semiconductor Electronic Components Datasheet

LM2419 Datasheet

Triple 65 MHz CRT Driver

No Preview Available !

LM2419 pdf
Absolute Maximum Ratings (Note 1)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage (Va)
a85V
Storage Temperature (TSTG)
b25 C to a100 C
Operating Case Temperature TCase
b20 C to a90 C
Lead Temperature (soldering k10 sec )
300 C
ESD Tolerance
2 kV
Electrical Characteristics
Unless otherwise specified the following specifications apply for Va e 80V DC input bias VIN DC e 3 9V 50 VPP output
swing frequency e 1 MHz VBias e 12V CL e 12 pF TA e 25 C see test circuit Figure 1
Symbol
Parameter
Conditions
Min
(Note 3)
Typ
(Note 2)
Max
(Note 3)
Units
(Limit)
ICC Supply Current (per Amplifier) Input Output Open Circuit
27 40 mA
IB Bias Current (Pins 2 or 7 or 9)
11 mA
VOUT
Output Offset Voltage
40 50 60 V
tr Rise Time
10% to 90%
5 ns
tf Fall Time
90% to 10%
5 ns
AV Voltage Gain
b13
b15
b18
VV
OS Overshoot
VIN tr tf k 2 ns
8%
LE Linearlty Error
VOUT e 25V to 75V
8%
DAV match Gain Matching
0 3 dB
Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur The guaranteed specifications apply only for the test conditions
listed Some performance characteristics may degrade when the device is not operated under the listed test conditions
Note 2 Typical specifications are at 25 C and represent the most likely parametric norm
Note 3 Min Max limits are guaranteed to National’s AOQL (Average Outgoing Quality Level)
Typical Performance
Characteristics
TA e 25 C Test Circuit Figure 1
Frequency Response
TL H 11442–3
12 pF is the total load capacitance and includes the test fixture capaci-
tance
FIGURE 1 Test Circuit (One Section)
2
TL H 11442 – 4


Part Number LM2419
Description Triple 65 MHz CRT Driver
Maker National Semiconductor
Total Page 8 Pages
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