DATA SHEET • SKY74038 FREQUENCY SYNTHESIZER
Table 1. SKY74038 Signal Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
Pin Name
VDD1_RF
VDD2_RF
CPO_RF
GND
RFIN
RFINB
GND
FREF
GND
LD_TP
I/O
—
—
O
—
I
I
—
I
—
O
Description
Power supply for RF digital circuits
Power supply for RF analog circuits
RF charge pump output
Ground
RF prescaler input
RF prescaler complementary input
Ground
Reference divider input
Ground
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
I
I
I
—
I
I
—
O
—
—
Description
Serial interface clock input
Serial interface data input
Serial interface Latch Enable input
Ground
IF prescaler complementary input
IF prescaler input
Ground
IF charge pump output
Power supply for IF analog circuits
Power supply for IF digital circuits
Table 2. Absolute Maximum Ratings
Parameter
Power supply with GND = 0 V
Voltage on any pin
Storage temperature
Minimum
–0.3
GND
–65
+150
Maximum
+3.6
Units
V
V
°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 (T
A
)
Min
2.6
–40
–40
Max
3.6
+100
+85
Units
V
°C
°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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