LTC1067-50IS#PBF datasheet, PDF

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LTC1067-50IS#PBF: DescriptionIC FILTR BLDNGBLK R-R DUAL16SOIC; CategoryAnalog mixed-signal IC filter; File Size287KB，20 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC1067-50IS#PBF Overview

IC FILTR BLDNGBLK R-R DUAL16SOIC

LTC1067-50IS#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Parts packaging code	SOIC
package instruction	SOP, SOP16,.25
Contacts	16
Manufacturer packaging code	S
Reach Compliance Code	compliant
ECCN code	EAR99
Active filter type	SWITCHED CAPACITOR FILTER
Center frequency or cutoff frequency maximum range	40 kHz
Center frequency or cutoff frequency minimum range	0.001 kHz
JESD-30 code	R-PDSO-G16
JESD-609 code	e3
length	9.9 mm
Humidity sensitivity level	1
Number of functions	2
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Order	2ND
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP16,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
poles and zeros	2 AND 0
power supply	3/5/+-5 V
Certification status	Not Qualified
response	UNIVERSAL
Maximum seat height	1.75 mm
Maximum supply current (Isup)	4 mA
Maximum supply voltage (Vsup)	11 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	4.75 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
transfer characteristics	RESISTOR PROGRAMMABLE
width	3.9 mm
Base Number Matches	1

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LTC1067/LTC1067-50

Rail-to-Rail, Very Low Noise

Universal Dual Filter Building Block

FEATURES

DESCRIPTION

The LTC

1067/LTC1067-50 consist of two identical rail-

to-rail, high accuracy and very wide dynamic range 2nd

order switched-capacitor building blocks. Each building

block, together with three to five resistors, provides 2nd

order filter functions such as bandpass, highpass, lowpass,

notch and allpass. High precision 4th order filters are

easily designed.

The center frequency of each 2nd order section is tuned by

the external clock frequency. The internal clock-to-center

frequency ratio (100:1 for the LTC1067 and 50:1 for the

LTC1067-50) can be modified by the external resistors.

These devices have a double sampled architecture which

places aliasing and imaging components at twice the clock

frequency. The LTC1067-50 is a low power device con-

suming about one half the current of the LTC1067. The

LTC1067-50’s typical supply current is about 1mA from a

3.3V supply.

The LTC1067 and LTC1067-50 are available in 16-pin

narrow SSOP and SO packages.

Mask programmable versions of the LTC1067 and

LTC1067-50, with thin film resistors on-chip and custom

clock-to-cutoff frequency ratios, can be designed in an

SO-8 package to realize application specific monolithic

filters. Please contact LTC Marketing for more details.

Rail-to-Rail Input and Output Operation

Operates from a Single 3V to

5V Supply

Dual 2nd Order Filter in a 16-Lead SSOP Package

> 80dB Dynamic Range on Single 3.3V Supply

Clock-to-Center Frequency Ratio of 100:1 for the

LTC1067 and 50:1 for the LTC1067-50

Internal Sampling-to-Center Frequency Ratio of

200:1 for the LTC1067 and 100:1 for the LTC1067-50

Center Frequency Error <

±0.2%

Typ

Low Noise: < 40µV

RMS

, Q

≤

Customizable with Internal Resistors

APPLICATIONS

Notch Filters

Narrowband Bandpass Filters

Tone Detection

Noise Reduction Systems

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATION

Single 3.3V Supply Rail-to-Rail,

4th Order, 10kHz Bandpass Filter

3.3V

0.1µF

CLK

AGND

–

OUT

R32, 200k

–30

CLK

= 500kHz

–10

1µF

GAIN (dB)

–20

LTC1067-50

LPA

LPB

R31, 200k

R21, 10k

R11

200k

BPA

HPA/NA

INV A

BPB

HPB/NB

INV B

R22, 10k

–40

RB1, 200k

1067 TA01

TOTAL OUTPUT NOISE: 90µV

RMS

S/N RATIO: 80dB

Frequency Response

FREQUENCY (kHz)

1067 • TA02

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