參數(shù)資料
型號(hào)： LMX3305
廠商： National Semiconductor Corporation
英文描述： Triple Phase Locked Loop for RF Personal Communications
中文描述： 三鎖相環(huán)射頻個(gè)人通信
文件頁(yè)數(shù)： 4/24頁(yè)
文件大小： 213K
代理商： LMX3305
Absolute Maximum Ratings
(Notes 1, 2)
Power Supply Voltage (PLL V
CC
)
(Note 3)
Supply Voltage (V
P
)
Voltage on any Pin with
GND = 0V (V
I
)
Storage Temperature Range (T
S
)
Lead Temp. (solder, 4 sec.) (T
L
)
ESD - Whole Body Model (Note 2)
Electrical Characteristics
(V
CC
= V
P
= 3V, 30C
<
T
A
<
85C except as specified)
0.3V to +6.5V
0.3V to +6.5V
0.3V to V
CC
+0.3V
65C to +150C
+240C
2 kV
Recommended Operating
Conditions
(Note 1)
Power Supply Voltage (PLL V
CC
)
(Note 3)
Supply Voltage (V
P
) (Note 3)
Operating Temperature (T
A
)
2.7V to 3.6V
PLL V
CC
to 5.5V
30C to +85C
Symbol
Parameter
Conditions
Value
Typ
Unit
Min
Max
GENERAL
I
CC
Power Supply Current
RF = On, Rx = On, Tx = On
2.7V
≤
V
CC
≤
3.6V
9.0
15
mA
I
CC
-PWDN
f
IN
Power Down Current
PCS Operating Frequency
Cellular Operating Frequency
IF Operating Frequency (Rx, Tx)
Oscillator Frequency
Phase Detector Frequency
PCS/Cellular/IF Input Sensitivity
Oscillator Sensitivity
RF Phase Noise
IF Phase Noise
Fractional Spur
@
10 kHz
Fractional Spur Harmonic
10
75
2300
1400
600
25
10
+0
V
CC
μA
1200
800
45
MHz
f
OSC
f
φ
Pf
IN
Pf
OSC
RF PN
IF PN
19.68
MHz
MHz
dBm
V
PP
2.7V
≤
V
CC
≤
3.6V
15
0.5
F
OUT
= 1 GHz
70
70
dBc/Hz
1 kHz Loop Filter (Note 4)
50
dBc
Attenuate 6 dB/OCT
after 10 kHz
dBc
Tsw
Switching Speed
1 kHz Loop Filter, 60 MHz Jump to
Within 1 kHz
4.0
ms
CHARGE PUMP
RF I
Do
Source
RF I
Do
Sink
IF I
Do
Source
IF I
Do
Sink
I
Do
-TRI
I
Do
Sink
vs I
Do
Source
I
Do
vs V
Do
I
Do
vs T
A
DIGITAL INPUTS AND OUTPUTS
V
IH
High-Level Input Voltage
V
IL
Low-Level Input Voltage
V
OL
Low-Level Output Voltage
I
IH
High-Level Input Current
I
IL
Low-Level Input Current
I
IH
OSC
IN
High-Level Input Current
I
IL
OSC
IN
Low-Level Input Current
RF Charge Pump Source Current
V
Do
= V
P
/2 (Note 5)
22
I
NOM
22
%
RF Charge Pump Sink Current
V
Do
= V
P
/2 (Note 5)
22
I
NOM
22
%
IF Charge Pump Source Current
V
Do
= V
CC
/2 (Note 5)
80
100
120
μA
IF Charge Pump Sink Current
Charge Pump TRI-STATE Current
Charge Pump Sink vs Source Mismatch
V
Do
= V
CC
/2 (Note 5)
(Note 6)
T
A
= 25C (Note 7)
80
100
120
1000
μA
pA
3
10
%
Charge Pump Current vs Voltage
Charge Pump Current vs Temperature
T
A
= 25C (Note 6)
(Note 7)
8
5
15
10
%
%
V
CC
= 2.7V to 3.6V
V
CC
= 2.7V to 3.6V
I
OL
= 2 mA
V
IH
= V
CC
= 3.6V
V
IL
= 0V, V
CC
= 3.6V
V
IH
= V
CC
= 3.6V
V
IL
= 0V, V
CC
= 3.6V
0.8 V
CC
V
V
V
μA
μA
μA
μA
0.2 V
CC
0.4
1.0
1.0
100
1.0
1.0
100
L
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