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參數(shù)資料
| 型號： | LMX2512LQX0967/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 19.68 MHz, QCC28 |
| 封裝： | 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 184K |
| 代理商： | LMX2512LQX0967/NOPB |
Absolute Maximum Ratings (Notes 1,
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Parameter
Symbol
Ratings
Units
Supply Voltage
V
CC,VDD
-0.3 to 3.6
V
Voltage on any pin
to GND
V
I
-0.3toV
CC+0.3
V
-0.3toV
DD+0.3
V
Storage Temperature
Range
T
STG
-65 to 150
C
Recommended Operating
Conditions
Parameter
Symbol
Min Typ Max Units
Ambient Temperature
T
A
-30 25
85
C
Supply Voltage (to GND) V
CC,VDD 2.7
3.3
V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to
the device may occur. Recommended Operating Conditions indicate condi-
tions for which the device is intended to be functional, but do not guarantee
specific performance limits. For guaranteed specifications and test condi-
tions, refer to the Electrical Characteristics section. The guaranteed specifi-
cations apply only for the conditions listed.
Note 2: This device is a high performance RF integrated circuit with an ESD
rating < 2 kV and is ESD sensitive. Handling and assembly of this device
should be done at ESD protected work stations.
Note 3: GND=0V.
Electrical Characteristics (V
CC =VDD = 2.8 V, TA = 25 C; unless otherwise noted)
Symbol
Parameter
Condition
Min
Typ
Max
Units
I
CC PARAMETERS
I
CC +IDD
Total Supply Current
OB_CRL [1:0] = 00
17
19
mA
(I
CC +
I
DD)RF
RF PLL Total Supply Current
OB_CRL [1:0] = 00
16
18
mA
I
PD
Power Down Current (Note 4)
CE = LOW or
RF_EN = 0
IF_EN = 0
20
A
REFERENCE OSCILLATOR PARAMETERS
f
OSCin
Reference Oscillator Input Frequency
19.20 MHz and 19.68
MHz are supported
19.20
19.68
MHz
V
OSCin
Reference Oscillator Input Sensitivity
0.2
V
CC
Vp-p
RF VCO
f
RFout
Frequency Range
LMX2502LQ1635
RF VCO
1619.62
1649.62
MHz
LMX2512LQ0967
954.42
979.35
MHz
LMX2512LQ1065
1052.64
1077.57
MHz
P
RFout
RF Output Power
OB_CRL [1:0] = 11
-2
1
4
dBm
OB_CRL [1:0] = 10
-5
-2
1
dBm
OB_CRL [1:0] = 01
-7
-4
-1
dBm
OB_CRL [1:0] = 00
-9
-6
-3
dBm
Lock Time
LMX2502LQ1635
30 MHz Band for RF
PLL
500
800
s
LMX2512LQ0967
25 MHz Band for RF
PLL
500
800
s
LMX2512LQ1065
25 MHz Band for RF
PLL
500
800
s
Reference Spurs
-75
dBc
RMS Phase Error
RF PLL in all band
1.3
degrees
L(f)
RFout
Phase Noise
LMX2502LQ1635
@ 100 kHz offset
-113
-112
dBc/Hz
@ 1.25 MHz offset
-138
-136
dBc/Hz
LMX2512LQ0967
@ 100 kHz offset
-117
-115
dBc/Hz
@ 900 kHz offset
-139
-138
dBc/Hz
LMX2512LQ1065
@ 100 kHz offset
-117
-115
dBc/Hz
@ 900 kHz offset
-139
-138
dBc/Hz
2nd Harmonic Suppression
-25
dBc
3rd Harmonic Suppression
-20
dBc
LMX2502/LMX2512
www.national.com
4
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