73201-364LF SKY73201-364LF Datasheet

73201-364LF Datasheet, PDF, Equivalent


Part Number

73201-364LF

Description

SKY73201-364LF

Manufacture

Skyworks

Total Page 19 Pages
Datasheet
Download 73201-364LF Datasheet


73201-364LF
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preliminary data sheet
SKY73201-364LF, SKY73202-364LF: Programmable
1–28 MHz 6th Order Low Pass Filters
Applications
l H igh-performance direct conversion receivers
• Software-defined radio basebands
• High-definition television tuners
• Medical imaging
• Flexible anti-aliasing and reconstruction filters
Features
• 6th order Butterworth low pass filter
• Exceptionally high dynamic range
• Auto-calibrated with clock reference, 20 MHz or 40 MHz nominal
• Programmable in steps from 1–28 MHz
• Nominal low pass filter step size of 1 MHz
• Single or dual channel configuration
• Serial bus control
• 5 x 5 mm QFN package
l L ead (Pb)-free, RoHS-compliant, and Green™,
MSL-3 @ 260 °C per JEDEC J-STD-020
NEW Skyworks Green™ products are RoHS (Restriction
of Hazardous Substances)-compliant, conform to
the EIA/EICTA/JEITA Joint Industry Guide (JIG)
Level A guidelines, are halogen free according to
IEC-61249-2-21, and contain <1,000 ppm antimony
trioxide in polymeric materials.
Description
The SKY73201-364LF & SKY73202-364LF are high-performance,
programmable, monolithic, clock-referenced low-pass filters.
They are configured as a 6th order Butterworth to provide
extremely high stop-band isolation while maximizing pass-band
flatness and minimizing group delay distortion. The corner
frequency is programmable, via the 3-wire Serial Peripheral
Interface (SPI), in steps, from 1–28 MHz, when a 20 MHz or
40 MHz reference is used. Nearly ideal Butterworth performance
is maintained over temperature and process via a proprietary
internal calibration circuit which derives its timing accuracy from
the reference clock. Nominal reference clock frequencies of
20 MHz or 40 MHz are recommended to meet the specifications
outlined in this data sheet but other reference clock frequencies
can be accommodated with appropriate changes to the
control register settings. The corner frequency range can be
extended beyond 28 MHz by the use of alternate reference clock
frequencies and modified control register settings. Please contact
Skyworks Solutions applications engineering for assistance with
your requirements.
Additionally, the SKY73201-364LF & SKY73202-364LF offer excel-
lent linearity and input noise level (83 dB SNR at 1 MHz corner
setting), making them suitable for extremely high dynamic range
applications such as adjacent channel rejection filters in direct con-
version receivers. The I/O interface is fully differential, but may also
be used single-ended, and on-chip input/output drivers allow easy
integration between modern system components such as mixers,
data converters, and variable gain amplifiers.
The dual configuration of SKY73202 offers the convenience of having
two channels (such as the I and Q in vector demodulation) with
closely matched characteristics that track each other. Both filters
are programmed to the same settings by the common SPI interface.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200755 Rev. C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • October 1, 2008
1

73201-364LF
preliminary Data Sheet • Sky73201-364LF, SKY73202-364LF
SKY73201-364LF Functional Block Diagram
Input
Buffer
6th Order
Butterworth
Output
Buffer
Input Output
SPI
Control
Auto
Calibration
Temperature
Compensation
Serial
Interface
Reference
Clock Input
Absolute Maximum Ratings
Characteristic
Value
Supply voltage
4.5 V
Supply current
100 mA
Signal input level
Operating temperature
3 Vpp
-40 °C to +85 °C
Storage temperature
-65 °C to +85 °C
Performance is guaranteed only under the conditions listed in the specifications table and is
not guaranteed under the full range(s) described by the Absolute Maximum specifications.
Exceeding any of the absolute maximum/minimum specifications may result in permanent
damage to the device and will void the warranty.
CAUTION: A lthough this device is designed to be as robust as
possible, ESD (Electrostatic Discharge) can damage
this device. This device must be protected at all
times from ESD. Static charges may easily produce
potentials of several kilovolts on the human body or
equipment, which can discharge without detection.
Industry-standard ESD precautions must be employed
at all times.
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SKY73202-364LF Functional Block Diagram
Input
Buffer
6th Order
Butterworth
Output
Buffer
Input 1
Output 1
Serial
Interface
SPI
Control
Input 2
Input
Buffer
Auto
Calibration
Temperature
Compensation
Reference
Clock Input
6th Order
Butterworth
Output
Buffer
Output 2
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2 October 1, 2008 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200755 Rev. C


Features www.DataSheet4U.com preliminary data sh eet SKY73201-364LF, SKY73202-364LF: Pr ogrammable 1–28 MHz 6th Order Low Pas s Filters Applications H  igh-performa nce direct conversion receivers • Sof tware-defined radio basebands • High- definition television tuners • Medica l imaging • Flexible anti-aliasing an d reconstruction filters l Description The SKY73201-364LF & SKY73202-364LF ar e high-performance, programmable, monol ithic, clock-referenced low-pass filter s. They are configured as a 6th order B utterworth to provide extremely high st op-band isolation while maximizing pass -band flatness and minimizing group del ay distortion. The corner frequency is programmable, via the 3-wire Serial Per ipheral Interface (SPI), in steps, from 1–28 MHz, when a 20 MHz or 40 MHz re ference is used. Nearly ideal Butterwor th performance is maintained over tempe rature and process via a proprietary in ternal calibration circuit which derive s its timing accuracy from the reference clock. Nominal reference clock fre.
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