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參數(shù)資料
| 型號： | SIW3500GIG3SR |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PBGA96 |
| 封裝： | 6 X 6 MM, GREEN, VFBGA-96 |
| 文件頁數(shù)： | 5/28頁 |
| 文件大?。?/td> | 795K |
| 代理商： | SIW3500GIG3SR |
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Preliminary
13 of 28
SiW3500
60 0066 R00JIrf SiW3500 UltimateBlue SoC DS
System Requirements
Analog Voltage Supply Requirements
The SiW3500 SoC is designed for use with its own internal low noise analog voltage regulator. This configuration is rec-
ommended for all applications. When necessary, the internal analog regulator can be bypassed. In situations where
bypassing the internal analog regulator is required, the supply voltage to the analog circuit must satisfy the following
requirements to preserve the RF performance characteristics.
External Reference Requirements
It is possible to provide a number of reference frequencies that are typical in most cellular phones directly into ball A7 or
die bump 83 (XTAL_P/CLK) of the device. Refer to “System Reference Clock” on page 4 for a list of supported reference
frequencies. The external reference clock must satisfy the following requirements in order to preserve the RF
performance characteristics.
Reference Crystal Requirements
Many reference frequencies are supported by the device. If a crystal is used as the reference frequency source, the
typical required parameters are listed below:
1. For 32-MHz crystal.
2. If DC-coupled, the external reference signal voltage must stay within this range at all times.
3. The actual values for CO and CL are dependent on the crystal manufacturer and can be compensated for by an internal crystal calibration
capability.
Parameter
Description
Min
Max
Unit
VCC
Analog supply voltage to all VCC input pins
1.71
1.89
V
Minimum
load current
External regulator current
80
–
mA
Minimum
ripple rejection
At 400 Hz
40
–
dB
Output noise
Integrated 10-Hz to 80-kHz noise
–
22
mV RMS
Parameter
Description
Min
Max
Unit
Phase noise
100-Hz offset
–
-100
dBc/Hz
1-kHz offset
–
-120
dBc/Hz
10-kHz offset
–
-140
dBc/Hz
Drive level
AC coupled amplitude
0.5
VCC
VP-P
DC coupled low peak voltage
0
0.3
V
DC coupled high peak voltage
VCC - 0.3
VCC
V
Parameter
Description
Min
Typ
Max
Unit
Drive level
–
0.3
mW
ESR
Effective serial resistance1
–
150
CO
Holder capacitance2
–35
pF
CL
Load capacitance3
–12
18
pF
CM
Motional capacitance
–
6
–
fF
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