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DATA SHEET
SKY73001: 2 - 3500 MHz Direct Conversion Mixer
Applications
* PCS, DCS, and GSM/GPRS, and EDGE base station receivers * CDMA and W-CDMA receivers * Third Generation (3G) wireless communications * Mobile base stations * Wireless Local Loops (WLLs) * Wireless Local Area Networks (WLANs) * Direct conversion receivers
Description
Skyworks SKY73001 direct conversion mixer is an integrated, high-dynamic range, zero Intermediate Frequency (IF) architecture down-converter for use in wireless communication applications. High second and third order input intercept points (IIP2 and IIP3, respectively) allow seamless integration into high performance systems. The SKY73001 has a wide RF and Local Oscillator (LO) frequency range of 2 to 3500 MHz. Figure 1 shows a functional block diagram for the SKY73001. The device package and pinout for the 32-pin RF Land Grid Array (RFLGA) are shown in Figure 2. Skyworks offers lead (Pb)-free "environmentally friendly" packaging that is RoHS compliant (European Parliament for the Restriction of Hazardous Substances).
Features
* High IIP2 and IIP3 * Wideband RF and LO input frequency range (2 to 3500 MHz) * Single +3.0 V supply * Operating temperature range -40 C to +85 C * Zero IF architecture eliminates need for image rejection filter * Differential IF output supports direct interface to A/D circuitry * AM demodulation immunity * Low power consumption * RFLGATM (32 pin, 5 x 5 mm) Pb-free package (MSL3, 260 C per JEDEC J-STD-020)
GND GND GND GND
27 32 31 30 29 28 26 25 24 23 22 21 20 19 18 17 10 11 12 13 14 15 16
LOI+
GND
GND
RFN
RFP
1 2 3 4 5 6 7 8 9
GND IFIP GND IFIN GND IFQP GND IFQN GND
LOI- IFI+ IFI-
GND GND VCC
RF+
VCC VCC
RF-
IFQ+ IFQ- LOQ+ LOQ-
GND GND GND
LOIN
GND
GND
GND
C1267
LOQN
LOIP
LOQP
C1266
Figure 1. SKY73001 Functional Block Diagram
Figure 2. SKY73001 Pinout- 32-Pin RFLGA Package (Top View)
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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DATA SHEET * SKY73001
Table 1. SKY73001 Signal Descriptions
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GND GND GND VCC VCC VCC GND GND GND LOIN GND LOIP GND LOQP GND LOQN Name Ground Ground Ground +3 VDC supply +3 VDC supply +3 VDC supply Ground Ground Ground Negative LO input Ground Positive LO input Ground Positive quadrature LO input Ground Negative quadrature LO input Description Pin # 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 GND IFQN GND IFQP GND IFIN GND IFIP GND GND GND RFN GND RFP GND GND Name Ground Negative quadrature IF output Ground Positive quadrature IF output Ground Negative in-phase IF output Ground Positive in-phase IF output Ground Ground Ground Negative RF input Ground Positive RF input Ground Ground Description
Electrical and Mechanical Specifications
Signal pin assignments and functional pin descriptions are provided in Table 1. The absolute maximum ratings of the SKY73001 are provided in Table 2 and the recommended operating conditions provided in Table 3. Electrical characteristics of the SKY73001 are provided in Table 4. The typical performance of the SKY73001 with respect to varying conditions are illustrated in Figures 3 through 7. Figure 11 provides the package dimensions for the 32-pin RFLGA, and Figure 12 provides the tape and reel dimensions.
related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. The SKY73001 is rated to Moisture Sensitivity Level 3 (MSL3) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, PCB Design & SMT Assembly/Rework Guidelines for RFLGA Packages, document number 103147. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. For packaging details, refer to the Skyworks Application Note, Tape and Reel, document number 101568.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems
Electrostatic Discharge (ESD) Sensitivity
The SKY73001 is a static-sensitive electronic device. Do not operate or store near strong electrostatic fields. Take proper ESD precautions.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
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DATA SHEET * SKY73001
Table 2. SKY73001 Absolute Maximum Ratings (TA = +25 C, unless otherwise noted)
Parameter +3 V supply voltage Power dissipation RF input power LO input power Thermal resistance Operating case temperature Storage case temperature
Note:
Symbol VCC PD PRFIN PLOIN jc TOPR TSTG
Min 2.7
Typical
Max 3.6
Units V mW dBm dBm C/W
140
230 20 6
36 -40 -40 0 +85 +125
C C
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 values.
Table 3. SKY73001 Recommended Operating Conditions
Parameter +3 V supply voltage Operating case temperature VCC TOPR Symbol Min 2.7 -40 Typical 3.0 Max 3.3 +85 Units V C
Table 4. SKY73001 Electrical Characteristics (1 of 2) (IF = 10 MHz, LO Input Power = 0 dBm, TC = 25 C, unless otherwise noted)
Parameter RF input frequency range LO input frequency range IF frequency range I/Q amplitude imbalance I/Q phase error Image rejection (Note 1) IF output impedance RF Input (900 MHz) Voltage conversion gain SSB Noise Figure IIP2 IIP3 -1 dB compression point RF input impedance LO input impedance 25 13 -4.8 -3.5 14.7 67 27 15 1.5:1 1.5:1 2.0:1 2.0:1 16.2 dB dB dBm dBm dBm VSWR VSWR 500 Symbol Test Conditions Min 2 2 DC -0.3 1 Typical Max 3500 3500 100 +0.3 Units MHz MHz MHz dB deg dB
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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DATA SHEET * SKY73001
Table 4. SKY73001 Electrical Characteristics (2 of 2) (IF = 10 MHz, LO Input Power = 0 dBm, TC = 25 C, unless otherwise noted)
Parameter RF Input (1900 MHz) Voltage conversion gain SSB Noise Figure IIP2 IIP3 -1 dB compression point RF input impedance LO input impedance
Note 1: Image rejection is determined using the following equation:
Symbol
Test Conditions
Min
Typical
Max
Units
-5.7
-4.4 17 70 18.5
dB dB dBm dBm dBm 2.0:1 2.0:1 VSWR VSWR
23 12.5
25 14.5 1.5:1 1.5:1
IR = 10 log
1 + A2 1 + A2
+ 2 A cos
[ ] where - 2 A[cos ]
A = 10
amplitude error - 20
in dB.
+2 +1
18 17
Conversion Gain (dB)
0 -1 -2 -3 -4 -5 -6 0 500 1000 1500 2000 2500 IF = 10 MHz
Compression Point (dBm)
16 15 14 13 12 11 10 0 500 1000 1500 2000 2500 IF = 10 MHz
Frequency (MHz)
Frequency (MHz)
Figure 3. Voltage Conversion Gain vs Frequency
Figure 4. 1 dB Compression Point vs Frequency
36 34
80 75
32
IIP3 (dBm)
28 26 24 22 20 0 500 1000 1500 2000 2500 IF = 10 MHz
IIP2 (dBm)
30
70 65 60 55 50 0 500 1000 1500 2000 2500
IF = 10 MHz
Frequency (MHz)
Frequency (MHz)
Figure 5. IIP3 vs Frequency (100 kHz Tone Spacing)
Figure 6. IIP2 vs Frequency
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DATA SHEET * SKY73001
20 19 18 17
NF (dB)
16 15 14 13 12 11 10 0 500 1000 1500 2000 2500 IF = 10 MHz
Frequency (MHz)
Figure 7. Noise Figure vs Frequency
Evaluation Board Description
The SKY73001 Evaluation Board is used to test the performance of the SKY73001 direct conversion mixer. An Evaluation Board schematic diagram is shown in Figure 8. The Evaluation Board assembly diagram is shown in Figure 9. Circuit Design Configurations The following design considerations are general in nature and must be followed regardless of final use or configuration. 1. Paths to ground should be made as short as possible. 2. The ground pad of the SKY73001 direct conversion mixer has special electrical and thermal grounding requirements. This pad is the main thermal conduit for heat dissipation. Since the circuit board acts as the heat sink, it must shunt as much heat as possible from the mixer. As such, design the connection to the ground pad to dissipate the maximum wattage produced to the circuit board. Multiple vias to the grounding layer are required. 3. Two external output bypass capacitors are required on the VCC pin. The values of these capacitors will change with respect to the desired RF frequency. One capacitor should be used for low frequency bypassing and the other capacitor for high frequency bypassing. Special attention should be given so that the smaller value capacitor does not go into selfresonance at the desired RF frequency. 4. Wire wound balanced transformers (baluns) were used during the test and characterization of the SKY73001. Ceramic baluns can be used to create the differential input signals (i.e.,
RF and LO). However, their performance will limit the overall system performance of the SKY73001. Testing Procedure Use the following procedure to set up the SKY73001 Evaluation Board for testing. Refer to Figure 10 for guidance: 1. Connect a +3.0 VDC power supply using an insulated supply cable. If available, enable the current limiting function of the power supply to 100 mA. 2. Connect a signal generator to the RF signal input port. Set it to the desired RF frequency at a power level of 0 dBm to the Evaluation Board but do NOT enable the RF signal. 3. Connect a signal generator to the LOQ signal input port. Set to the desired LO frequency at a power level of 0 dBm, but do not enable. 4. Connect a spectrum analyzer to the IFQ signal output port and terminate the IFI signal input port in 50 . 5. Enable the power supply. 6. Enable the LO input signal. 7. Enable the RF signal. 8. Take measurements and repeat these steps for channel I. CAUTION: If any of the input signals exceed the rated maximum values, the SKY73001 Evaluation Board can be permanently damaged.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
101907D * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * October 8, 2004
5
DATA SHEET * SKY73001
RF 2-Pin Header
1 2 6 4
1
TCM-4-25
3 2 1
SMA
C1 33 pF
32
31
30
29
28
27
26
GND
GND
RFP
GND
RFN
GND
1 C2 1000 pF 2 3 4 5 6 7 8 9
GND
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25
SMA
24 23 22 21 3 TCM-9-16 2 1 4
I_IF
1
SKY73001
GND IFQP GND IFQN
LOQN
SMA
20 19 18 17 3 TCM-9-16 2 1 4
Q_IF
1
LOQP
LOIN
LOIP
GND
GND
10
11
12
13
14
15
GND
GND
GND
16
1
2
3
1
2
3
TCM-4-25
4 6 4 6
TCM-4-25
I_LO SMA
1
Q_LO SMA
1
C1318
Figure 8. SKY73001 Evaluation Board Schematic
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6
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DATA SHEET * SKY73001
J2
J2 RF IFQ J3
T1 T2 J1 C1 C2
DCR T3 T2
J3
T3
J4
T6
T5
T4
T4
IFI LOQ J6 LOI J5
J4
J6
J5
C1268
Figure 9. SKY73001 Evaluation Board Assembly Diagram (Top View)
Signal Generator
RF IFI Power Supply GND VCC Spectrum Analyzer
SKY73001 Evaluation Board
LOI LOQ
IFQ
50
Signal Generator
50
C1319
Figure 10. SKY73001 Evaluation Board Testing Configuration
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
101907D * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * October 8, 2004
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DATA SHEET * SKY73001
5.04 0.05
2.480 To Metal Pad Edge Solder Mask
2.350
Pin #1
0.300
0.150 Pin #1 Mark
Downset Paddle
0.500 2.350
5.04 0.05
4.200
0.500
Detail A
2.000
Top View
Bottom View
Solder Mask Exposed Metal
Mold
1.00 0.10
0.38 0.05 (32x)
Substrate
0.040 Ref.
0.30 0.05
0.300 0.02 (32x)
Side View
All measurements are in millimeters
Package Edge
0.400 0.05 (32x)
Detail A
2.480 To Metal Pad Edge
C1285a
Figure 11. SKY73001 32-Pin RFLGA Package Dimensions
2.00 0.05 1.55 0.05 0.30 0.05 8.00 4.00
B
Pin #1 Indicator
1.75 0.10
5.50 0.05
A
5.35
A
5o Max. 1.70
B
1.50 Min. 5.35
B
Notes: 1. Carrier tape: black conductive polystyrene 2. Cover tape material: transparent conductive PSA 3. Cover tape size: 9.3 mm width 4. All dimensions are in millimeters
5o Max.
A
S461
Figure 12. SKY73001 32-Pin RFLGA Tape and Reel Dimensions
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12.00 0.30
DATA SHEET * SKY73001
Ordering Information
Model Name SKY73001 2-3500 MHz Direct Conversion Mixer Manufacturing Part Number SKY73001-11 Evaluation Kit Part Number TW10-D913 (tuned for 2-500 MHz) TW10-D912 (tuned for 500-2500 MHz) TW12-D342 (tuned for 3200-3500 MHz)
Copyright (c) 2002, 2003, 2004, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products. These materials 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. Skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update the information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from future changes to its documentation, products, specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by or under this document. Except as may be provided in Skyworks Terms and Conditions of Sale for such products, Skyworks assumes no liability whatsoever in association with its documentation, products, specifications and product descriptions. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED OR OTHERWISE, RELATING TO SALE AND/OR USE OF SKYWORKS PRODUCTS INCLUDING WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. SKYWORKS FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THESE MATERIALS WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications. 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. The following are trademarks of Skyworks Solutions, Inc.: SkyworksTM, the Skyworks logo, and Breakthrough SimplicityTM. Product names or services listed in this publication are for identification purposes only, and may be trademarks of Skyworks or other third parties. Third-party brands and names are the property of their respective owners. Additional information, posted at www.skyworksinc.com, is incorporated by reference.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
101907D * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * October 8, 2004
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