LTC1569IS8-7#TR datasheet, PDF

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LTC1569IS8-7#TR: DescriptionIC filter LP 10th ord lin 8soic; CategoryAnalog mixed-signal IC filter; File Size229KB，12 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC1569IS8-7#TR Overview

IC filter LP 10th ord lin 8soic

LTC1569IS8-7#TR Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Manufacturer packaging code	S8
Reach Compliance Code	not_compliant
ECCN code	EAR99
Active filter type	CONTINUOUS TIME FILTER
Other features	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
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Order	10TH
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	235
poles and zeros	10 AND 0
power supply	3 V
Certification status	Not Qualified
response	LOWPASS
Maximum seat height	1.75 mm
Maximum supply current (Isup)	37 mA
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
transfer characteristics	PIN OR RESISTOR PROGRAMMABLE
width	3.9 mm
Base Number Matches	1

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LTC1569-7

Linear Phase, DC Accurate,

Tunable, 10th Order Lowpass Filter

FEATURES

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

= 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 •

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

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

3.48k

1µF

–

DIV/CLK

1/1

–

OUT

EXT

= 10k

1µF

1/16

1/4

–80

LTC1569-7

GND

GAIN (dB)

EASY TO SET f

CUTOFF

1, 4 OR 16

128kHz (10k/R

EXT

)

1569-7 TA01

–20

–40

–60

100pF

–100

100

FREQUENCY (kHz)

1000

1569-7 TA01a

LTC1569IS8-7#TR Related Products

	LTC1569IS8-7#TR	LTC1569CS8-7#TR	LTC1569IS8-7#PBF	LTC1569IS8-7#TRPBF	LTC1569CS8-7#TRPBF	LTC1569CS8-7#PBF
Description	IC filter LP 10th ord lin 8soic	IC filter LP 10th ord lin 8soic	IC FILTER 10TH ORDR LOWPASS8SOIC	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?	incompatible	incompatible	conform to	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	not_compliant	not_compliant	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	e0	e0	e3	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	85 °C	70 °C	85 °C	85 °C	70 °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)	235	235	260	250	260	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	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	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	20	20	30	NOT SPECIFIED	30	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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