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PDF SKY74100-21 Data sheet ( Hoja de datos )
| Número de pieza | SKY74100-21 | |
| Descripción | Dual-Band Receiver | |
| Fabricantes | Skyworks Solutions | |
| Logotipo |  |
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DATA SHEET
SKY74100-21: Dual-Band Receiver for CDMA and PCS
Femtocell Applications
Applications
Dual-band femtocells
Features
Supply voltage: 2.7 V to 3.0 V
Low power operation: 140 mW with supply voltage @ 2.85 V
Two differential mixer path inputs (800 MHz and 1.9 GHz) and
common I/Q differential outputs at the baseband
Two direct downconverters for CDMA and PCS bands
Fully integrated UHF VCO for all operating modes. An automatic
integrated tuning loop for all process variations is included
Fully integrated RF PLL (except for the loop filter)
Fully integrated baseband low pass filters for both I and Q
channels
Internal automatic tuning loop to cover all process variations for
integrated filters
Integrated DCOC, requiring no external stimulus or components
LGA (40-pin, 6 x 6 x 1 mm) package with downset paddle
(MSL3, 260 C per JEDEC J-STD-020)
Skyworks offers lead (Pb)-free RoHS (Restriction of
Hazardous Substances) compliant packaging.
Description
The SKY74100-21 receiver is a highly integrated device for dual-
band Code Division Multiple Access (CDMA) femtocells. The
SKY74100-21 supports femtocells in the cellular CDMA and
Personal Communications System (PCS) modes.
The device requires a minimum number of external components
to complete a CDMA radio subsystem. Included within the
package are the downconverters, baseband filters with an auto-
tuning loop, UHF Voltage Controlled Oscillator (VCO), RF Phase
Locked Loop (PLL), and DC Offset Correction (DCOC). The
SKY74100-21 is designed to operate within a supply voltage
range of 2.7 V to 3.0 V.
External components needed for operation include matching
networks for differential mixer inputs, CDMA/PCS Surface
Acoustic Wave (SAW) filters, three bias resistors for accurate bias
control over process variation, and two high tolerance load
resistors for In-Phase and Quadrature (I/Q) baseband output.
The SKY74100-21 output is a dual-channel, fully differential
analog signal at the baseband. Both channels maintain a
quadrature phase relationship with each other.
Together with the SKY74092 dual-band, dual-mode LNA, the
SKY74100-21 completes the receiver from the RF input to the I/Q
baseband outputs.
The 40-pin Land Grid Array (LGA) device package and pinout are
shown in Figure 1. Figure 2 shows a functional block diagram for
the SKY74100-21.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200762C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 22, 2010
1
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1 page  
DATA SHEET • SKY74100-21 CDMA RECEIVER
Table 2. SKY74100-21 Absolute Maximum Ratings
Parameter
Symbol
Minimum
Typical
Maximum
Units
Supply voltage
VCC –0.3
+3.6 V
Input voltage range VIN –0.3
VCC V
LNA input power
+5 dBm
Power dissipation
600 mW
Storage temperature TSTG –40
+125
C
Ambient operating temperature
TA
–30
+85 C
Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) 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 should be used at all times.
Table 3. SKY74100-21 Recommended Operating Conditions
Parameter
Symbol
Supply voltage
VCC
Operating temperature range
TA
ZIN of logic control inputs
Logic level high
Logic level low
Minimum
2.7
–30
VCC – 0.5
0
Table 4. SKY74100-21 Electrical Specifications (Note 1) (1 of 2)
(TA = +25 C, VCC = 2.85 V Unless Otherwise Noted)
Parameter
Symbol
Test Condition
CDMA 800 MHz Downconverter and Filter – High Gain Mode
Output frequency range
Voltage gain
Noise figure
NF Mixer and filters
Third Order Input Intercept Point
IIP3
Second Order Input Intercept Point
IIP2
P1dB @ input
High gain
RF input impedance (differential)
RF input return loss (differential)
LO leakage at mixer input
Total supply current (adjustable)
CDMA 800 MHz Downconverter and Filter – Low Gain Mode
Gain step
P1dB @ input
Low gain
LO leakage @ mixer input
Typical
2.85
+25
50
Maximum
3.0
+85
VCC
0.5
Units
V
C
k
V
V
Min Typical Max
0 0.65
49
13.5
3
40
–15
100
–10
–68
70
15 17
–15
–68
Units
MHz
dB
dB
dBm
dBm
dBm
dB
dBm
mA
dB
dBm
dBm
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200762C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 22, 2010
5
Free Datasheet http://www.datasheet-pdf.com/
5 Page 
Ordering Information
Model Name
SKY74100-21 CDMA Receiver
DATA SHEET • SKY74100-21 CDMA RECEIVER
Manufacturing Part Number
SKY74100-21
Evaluation Board Part Number
*** TBD ***
Copyright © 2007, 2008, 2010 Skyworks Solutions, Inc. All Rights Reserved.
Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by
Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the
information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to
update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes.
No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or
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of Sale.
THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A
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SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO ANY SPECIAL, INDIRECT, INCIDENTAL, STATUTORY, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION,
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Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury,
death, physical or environmental damage. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any
damages resulting from such improper use or sale.
Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of
products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for
applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters.
Skyworks, the Skyworks symbol, and “Breakthrough Simplicity” are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands
and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com,
are incorporated by reference.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200762C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 22, 2010
11
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