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LT1795CSW

Description
Dual 500mA/50MHz Current Feedback Line Driver Amplifier
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size192KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LT1795CSW Overview

Dual 500mA/50MHz Current Feedback Line Driver Amplifier

LT1795CSW Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instructionSOP, SOP20,.4
Contacts20
Manufacturer packaging codeSW
Reach Compliance Code_compli
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
ArchitectureCURRENT-FEEDBACK
Nominal Common Mode Rejection Ratio62 dB
frequency compensationYES (AVCL>=2)
Maximum input offset voltage17000 µV
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length12.8015 mm
low-biasNO
low-dissonanceNO
micropowerNO
Humidity sensitivity level1
Negative supply voltage upper limit-18 V
Nominal Negative Supply Voltage (Vsup)-15 V
Number of functions2
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
powerYES
power supply+-5/+-15 V
Programmable powerNO
Certification statusNot Qualified
Maximum seat height2.642 mm
Nominal slew rate900 V/us
Maximum slew rate84 mA
Supply voltage upper limit18 V
Nominal supply voltage (Vsup)15 V
surface mountYES
technologyBIPOLAR
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
Nominal Uniform Gain Bandwidth50000 kHz
broadbandNO
width7.493 mm
Base Number Matches1
FEATURES
s
s
s
s
s
s
s
s
LT1795
Dual 500mA/50MHz
Current Feedback Line Driver
Amplifier
DESCRIPTIO
The LT
®
1795 is a dual current feedback amplifier with high
output current and excellent large signal characteristics.
The combination of high slew rate, 500mA output drive
and up to
±15V
operation enables the device to deliver
significant power at frequencies in the 1MHz to 2MHz
range. Short-circuit protection and thermal shutdown
insure the device’s ruggedness. The LT1795 is stable with
large capacitive loads and can easily supply the large
currents required by the capacitive loading. A shutdown
feature switches the device into a high impedance, low
current mode, reducing power dissipation when the de-
vice is not in use. For lower bandwidth applications, the
supply current can be reduced with a single external
resistor.
The LT1795 comes in the very small, thermally enhanced,
20-lead TSSOP package for maximum port density in line
driver applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
s
s
500mA Output Drive Current
50MHz Bandwidth, A
V
= 2, R
L
= 25
900V/
µ
s Slew Rate, A
V
= 2, R
L
= 25
Low Distortion: –75dBc at 1MHz
High Input Impedance, 10MΩ
Wide Supply Range,
±5V
to
±15V
Full Rate, Downstream ADSL Supported
Power Enhanced Small Footprint Packages
TSSOP-20, S0-20 Wide
Low Power Shutdown Mode
Power Saving Adjustable Supply Current
Stable with C
L
= 10,000pF
APPLICATIO S
s
s
s
s
s
ADSL HDSL2, G.lite Drivers
Buffers
Test Equipment Amplifiers
Video Amplifiers
Cable Drivers
TYPICAL APPLICATION
Low Loss, High Power Central Office ADSL Line Driver
V
+
+IN
+
1/2
LT1795
12.5Ω
1k
1:2*
165Ω
1k
100Ω
1/2
LT1795
–IN
12.5Ω
+
V
1795 TA01
* MIDCOM 50215 OR EQUIVALENT
U
U
U
1

LT1795CSW Related Products

LT1795CSW LT1795ISW LT1795IFE LT1795CFE LT1795
Description Dual 500mA/50MHz Current Feedback Line Driver Amplifier Dual 500mA/50MHz Current Feedback Line Driver Amplifier Dual 500mA/50MHz Current Feedback Line Driver Amplifier Dual 500mA/50MHz Current Feedback Line Driver Amplifier Dual 500mA/50MHz Current Feedback Line Driver Amplifier
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology -
Is it Rohs certified? incompatible incompatible incompatible incompatible -
Parts packaging code SOIC SOIC TSSOP TSSOP -
package instruction SOP, SOP20,.4 SOP, SOP20,.4 HTSSOP, TSSOP20,.25 HTSSOP, TSSOP20,.25 -
Contacts 20 20 20 20 -
Manufacturer packaging code SW SW FE FE -
Reach Compliance Code _compli _compli _compli _compli -
ECCN code EAR99 EAR99 EAR99 EAR99 -
Amplifier type OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER -
Architecture CURRENT-FEEDBACK CURRENT-FEEDBACK CURRENT-FEEDBACK CURRENT-FEEDBACK -
Nominal Common Mode Rejection Ratio 62 dB 62 dB 62 dB 62 dB -
frequency compensation YES (AVCL>=2) YES (AVCL>=2) YES (AVCL>=2) YES (AVCL>=2) -
Maximum input offset voltage 17000 µV 17000 µV 17000 µV 17000 µV -
JESD-30 code R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 -
JESD-609 code e0 e0 e0 e0 -
length 12.8015 mm 12.8015 mm 6.5 mm 6.5 mm -
low-bias NO NO NO NO -
low-dissonance NO NO NO NO -
micropower NO NO NO NO -
Humidity sensitivity level 1 1 1 1 -
Negative supply voltage upper limit -18 V -18 V -18 V -18 V -
Nominal Negative Supply Voltage (Vsup) -15 V -15 V -15 V -15 V -
Number of functions 2 2 2 2 -
Number of terminals 20 20 20 20 -
Maximum operating temperature 70 °C 85 °C 85 °C 70 °C -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code SOP SOP HTSSOP HTSSOP -
Encapsulate equivalent code SOP20,.4 SOP20,.4 TSSOP20,.25 TSSOP20,.25 -
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR -
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH -
Peak Reflow Temperature (Celsius) 235 235 235 235 -
power YES YES YES YES -
power supply +-5/+-15 V +-5/+-15 V +-5/+-15 V +-5/+-15 V -
Programmable power NO NO NO NO -
Certification status Not Qualified Not Qualified Not Qualified Not Qualified -
Maximum seat height 2.642 mm 2.642 mm 1.2 mm 1.2 mm -
Nominal slew rate 900 V/us 900 V/us 900 V/us 900 V/us -
Maximum slew rate 84 mA 84 mA 84 mA 84 mA -
Supply voltage upper limit 18 V 18 V 18 V 18 V -
Nominal supply voltage (Vsup) 15 V 15 V 15 V 15 V -
surface mount YES YES YES YES -
technology BIPOLAR BIPOLAR BIPOLAR BIPOLAR -
Temperature level COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) -
Terminal form GULL WING GULL WING GULL WING GULL WING -
Terminal pitch 1.27 mm 1.27 mm 0.65 mm 0.65 mm -
Terminal location DUAL DUAL DUAL DUAL -
Maximum time at peak reflow temperature 20 20 20 20 -
Nominal Uniform Gain Bandwidth 50000 kHz 50000 kHz 50000 kHz 50000 kHz -
broadband NO NO NO NO -
width 7.493 mm 7.493 mm 4.4 mm 4.4 mm -
Base Number Matches 1 1 1 1 -
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