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LTC1067-50CGN#PBF

Description
Active Filters R-to-R L/Noise Dual Filter Bldg Block
CategoryAnalog mixed-signal IC    filter   
File Size287KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LTC1067-50CGN#PBF Overview

Active Filters R-to-R L/Noise Dual Filter Bldg Block

LTC1067-50CGN#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
package instructionSSOP,
Contacts16
Manufacturer packaging code05-08-1641 (GN16)
Reach Compliance Codecompliant
Active filter typeSWITCHED CAPACITOR FILTER
Center frequency or cutoff frequency maximum range40 kHz
Center frequency or cutoff frequency minimum range0.001 kHz
JESD-30 codeR-PDSO-G16
JESD-609 codee3
length4.9 mm
Humidity sensitivity level1
Number of functions2
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
poles and zeros2 AND 0
Certification statusNot Qualified
responseUNIVERSAL
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)11 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)4.75 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
transfer characteristicsRESISTOR PROGRAMMABLE
width3.9116 mm
Base Number Matches1
LTC1067/LTC1067-50
Rail-to-Rail, Very Low Noise
Universal Dual Filter Building Block
FEATURES
s
s
s
s
s
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.
s
s
s
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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
5
Customizable with Internal Resistors
APPLICATIONS
s
s
s
s
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
1
2
3.3V
0.1µF
3
4
V
+
NC
V
+
SA
CLK
AGND
V
SB
16
15
14
13
OUT
R32, 200k
–30
0
f
CLK
= 500kHz
–10
1µF
GAIN (dB)
–20
LTC1067-50
5
12
LPA
LPB
R31, 200k
R21, 10k
R11
200k
IN
6
7
8
BPA
HPA/NA
INV A
BPB
HPB/NB
INV B
11
10
9
R22, 10k
–40
RB1, 200k
1067 TA01
TOTAL OUTPUT NOISE: 90µV
RMS
S/N RATIO: 80dB
8
U
U
U
Frequency Response
9
10
FREQUENCY (kHz)
11
12
1067 • TA02
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