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LTC1569CS8-7#TRPBF

Description
IC FILTER 10TH ORDR LOWPASS8SOIC
CategoryAnalog mixed-signal IC    filter   
File Size229KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LTC1569CS8-7#TRPBF Overview

IC FILTER 10TH ORDR LOWPASS8SOIC

LTC1569CS8-7#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Manufacturer packaging codeS8
Reach Compliance Codecompliant
ECCN codeEAR99
Active filter typeCONTINUOUS TIME FILTER
Other featuresUP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY
Center frequency or cutoff frequency maximum range150 kHz
Center frequency or cutoff frequency minimum range
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Order10TH
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
poles and zeros10 AND 0
power supply3 V
Certification statusNot Qualified
responseLOWPASS
Maximum seat height1.75 mm
Maximum supply current (Isup)37 mA
Maximum supply voltage (Vsup)4.6 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
transfer characteristicsPIN OR RESISTOR PROGRAMMABLE
width3.9 mm
Base Number Matches1
LTC1569-7
Linear Phase, DC Accurate,
Tunable, 10th Order Lowpass Filter
FEATURES
s
s
s
s
s
s
s
s
s
s
s
One External R Sets Cutoff Frequency
Root Raised Cosine Response
Up to 300kHz Cutoff on a Single 5V Supply
Up to 150kHz Cutoff on a Single 3V Supply
10th Order, Linear Phase Filter in an SO-8
DC Accurate, V
OS(MAX)
= 5mV
Low Power Modes
Differential or Single-Ended Inputs
80dB CMRR (DC)
80dB Signal-to-Noise Ratio, V
S
= 5V
Operates from 3V to
±5V
Supplies
Furthermore, its root raised cosine response offers the
optimum pulse shaping for PAM data communications.
The filter attenuation is 57dB at 1.5 • f
CUTOFF
, 60dB at 2 •
f
CUTOFF
, and in excess of 80dB at 6 • f
CUTOFF
. DC-accuracy-
sensitive applications benefit from the 5mV maximum DC
offset.
The LTC1569-7 is the first sampled data filter which does
not require an external clock yet its cutoff frequency can be
set with a single external resistor with a typical accuracy
of 3.5% or better.
The external resistor programs an
internal oscillator whose frequency is divided by either 1,
4 or 16 prior to being applied to the filter network. Pin 5
determines the divider setting. Thus, up to three cutoff
frequencies can be obtained for each external resistor
value. Using various resistor values and divider settings,
the cutoff frequency can be programmed over a range of
seven octaves. Alternatively, the cutoff frequency can be
set with an external clock and the clock-to-cutoff fre-
quency ratio is 32:1. The ratio of the internal sampling rate
to the filter cutoff frequency is 64:1.
The LTC1569-7 is fully tested for a cutoff frequency of
256kHz/128kHz with single 5V/3V supply although up to
300kHz cutoff frequencies can be obtained.
The LTC1569-7 features power savings modes and it is
available in an SO-8 surface mount package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
Data Communication Filters for 3V Operation
Linear Phase and Phase Matched Filters for I/Q
Signal Processing
Pin Programmable Cutoff Frequency Lowpass Filters
DESCRIPTIO
®
The LTC 1569-7 is a 10th order lowpass filter featuring
linear phase and a root raised cosine amplitude response.
The high selectivity of the LTC1569-7 combined with its
linear phase in the passband makes it suitable for filtering
both in data communications and data acquisition sytems.
TYPICAL APPLICATION
Frequency Response, f
CUTOFF
= 128kHz/32kHz/8kHz
Single 3V Supply, 128kHz/32kHz/8kHz Lowpass Filter
V
IN
3V
3.48k
3
2k
1µF
4
V
DIV/CLK
5
1/1
1
IN
+
IN
OUT
V
+
8
V
OUT
R
EXT
= 10k
1µF
6
1/16
1/4
–80
0
2
7
LTC1569-7
GND
R
X
GAIN (dB)
EASY TO SET f
CUTOFF
:
f
CUTOFF
=
1, 4 OR 16
128kHz (10k/R
EXT
)
1569-7 TA01
U
U
U
–20
3V
–40
–60
3V
100pF
–100
1
10
100
FREQUENCY (kHz)
1000
1569-7 TA01a
1

LTC1569CS8-7#TRPBF Related Products

LTC1569CS8-7#TRPBF LTC1569CS8-7#TR LTC1569IS8-7#TR LTC1569IS8-7#PBF LTC1569IS8-7#TRPBF LTC1569CS8-7#PBF
Description IC FILTER 10TH ORDR LOWPASS8SOIC IC filter LP 10th ord lin 8soic IC filter LP 10th ord lin 8soic IC FILTER 10TH ORDR LOWPASS8SOIC IC FILTER 10TH ORDR LOWPASS8SOIC Linear phase, high DC accuracy, adjustable 10th order low pass filter
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? conform to incompatible incompatible conform to conform to conform to
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code SOIC SOIC SOIC SOIC SOIC SOIC
package instruction SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25
Contacts 8 8 8 8 8 8
Manufacturer packaging code S8 S8 S8 S8 S8 S8
Reach Compliance Code compliant not_compliant not_compliant compliant compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Active filter type CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER
Other features UP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY UP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY UP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY UP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY UP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY UP TO 300KHZ CUTOFF ON A SINGLE 5V SUPPLY, CAN ALSO OPERATE FROM A +/-5V SUPPLY
Center frequency or cutoff frequency maximum range 150 kHz 150 kHz 150 kHz 150 kHz 150 kHz 150 kHz
JESD-30 code R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8
JESD-609 code e3 e0 e0 e3 e3 e3
length 4.9 mm 4.9 mm 4.9 mm 4.9 mm 4.9 mm 4.9 mm
Humidity sensitivity level 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8
Maximum operating temperature 70 °C 70 °C 85 °C 85 °C 85 °C 70 °C
Order 10TH 10TH 10TH 10TH 10TH 10TH
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP SOP SOP SOP
Encapsulate equivalent code SOP8,.25 SOP8,.25 SOP8,.25 SOP8,.25 SOP8,.25 SOP8,.25
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 235 235 260 250 260
poles and zeros 10 AND 0 10 AND 0 10 AND 0 10 AND 0 10 AND 0 10 AND 0
power supply 3 V 3 V 3 V 3 V 3 V 3 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
response LOWPASS LOWPASS LOWPASS LOWPASS LOWPASS LOWPASS
Maximum seat height 1.75 mm 1.75 mm 1.75 mm 1.75 mm 1.75 mm 1.75 mm
Maximum supply current (Isup) 37 mA 37 mA 37 mA 37 mA 37 mA 37 mA
Nominal supply voltage (Vsup) 3 V 3 V 3 V 3 V 3 V 3 V
surface mount YES YES YES YES YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL
Terminal surface Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 20 20 30 NOT SPECIFIED 30
transfer characteristics PIN OR RESISTOR PROGRAMMABLE PIN OR RESISTOR PROGRAMMABLE PIN OR RESISTOR PROGRAMMABLE PIN OR RESISTOR PROGRAMMABLE PIN OR RESISTOR PROGRAMMABLE PIN OR RESISTOR PROGRAMMABLE
width 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm 3.9 mm
Base Number Matches 1 1 1 1 1 1
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