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SKY74038 Datasheet, PDF (7/12 Pages) Skyworks Solutions Inc. – 2.6 GHz/800 MHz Dual Fractional-N/lnteger-N Frequency Synthesizer
DATA SHEET • SKY74038 FREQUENCY SYNTHESIZER
Table 1. SKY74038 Signal Descriptions
Pin #
Pin Name
I/O
Description
1
VDD1_RF
— Power supply for RF digital circuits
2
VDD2_RF
— Power supply for RF analog circuits
3
CPO_RF
O
RF charge pump output
4
GND
— Ground
5
RFIN
I
RF prescaler input
6
RFINB
I
RF prescaler complementary input
7
GND
— Ground
8
FREF
I
Reference divider input
9
GND
— Ground
10 LD_TP
O
Multiplexed output from lock detectors
and dividers
Pin #
11
12
13
14
15
16
17
18
19
20
Pin Name
CLK
DAT
LE
GND
IFINB
IFIN
GND
CPO_IF
VDD2_IF
VDD1_IF
I/O
Description
I
Serial interface clock input
I
Serial interface data input
I
Serial interface Latch Enable input
— Ground
I
IF prescaler complementary input
I
IF prescaler input
— Ground
O
IF charge pump output
— Power supply for IF analog circuits
— Power supply for IF digital circuits
Table 2. Absolute Maximum Ratings
Parameter
Minimum
Maximum
Units
Power supply with GND = 0 V
–0.3
+3.6
V
Voltage on any pin
GND
V
Storage temperature
–65
+150
°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 values.
Table 3. Recommended Operating Conditions
Parameter
Power supply
Operating junction temperature
Operating ambient temperature (TA)
Min
Max
Units
2.6
3.6
V
–40
+100
°C
–40
+85
°C
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
101075M • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • June 4, 2007
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