參數(shù)資料
型號(hào)： LMX2525LQ1321
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： PLLatinum Dual Frequency Synthesizer System with Integrated VCOs
中文描述： PLL FREQUENCY SYNTHESIZER, 26 MHz, QCC24
封裝： 5 X 4 MM, 0.75 MM HEIGHT, LLP-24
文件頁(yè)數(shù)： 5/17頁(yè)
文件大?。?/td> 237K
代理商： LMX2525LQ1321
Electrical Characteristics
(V
IN
= 2.8 V, refer to Typical Application Circuit; Limits in standard typeface are for
T
A
= 25 C; Limits in
boldface
type apply over the operating temperature range from -20 C
≤
T
A
≤
75 C unless otherwise
noted.) (Continued)
Symbol
RF1 VCO FOR PDC1500
L(f)
RF1out
Phase Noise when RF1 VCO for
PDC1500 is activated in Normal
Mode (HS = 0).
Parameter
Condition
Min
Typ
Max
Units
@
25 kHz offset
-95
-93
-91
-103
-101
-113
-111
-135
-133
-25
-20
-14
-11
-45
-60
-69
-75
dBc/Hz
@
50 kHz offset
-106
dBc/Hz
@
100 kHz offset
-115
dBc/Hz
@
1 MHz offset
dBc/Hz
2
nd
Harmonic Suppression
3
rd
Harmonic Suppression
dBc
dBc
dBc
OB_CRL [1:0] = 11, 10, 01
OB_CRL [1:0] = 00
Spurious Tones
@
≤
25 kHz offset
@
25 kHz
<
offset
≤
50 kHz
@
50 kHz
<
offset
≤
100 kHz
@
offset
>
100 kHz
dBc
dBc
dBc
dBc
RF2 VCO FOR PDC800
f
RF2out
Frequency Range (Note 8)
P
RF2out
Output Power
RF2 VCO for PDC800
OB_CRL [1:0] = 11
OB_CRL [1:0] = 10
OB_CRL [1:0] = 01
OB_CRL [1:0] = 00
Full frequency span within
each band in High Speed
Mode (HS = 1).
Between bands High Speed
Mode (HS = 1).
Full frequency span within
each band in Normal Mode
(HS = 0).
(Note 11)
633.15
-6
-9
-11
-15
768.00
0
-3
-5
-9
300
(Note 9)
MHz
dBm
dBm
dBm
dBm
μs
-3
-6
-8
-12
Lock Time
300
(Note 9)
500
(Note 9)
375
(Note 10)
500
(Note 9)
400
(Note 10)
μs
μs
μs
Between bands in Normal
Mode (HS = 0).
μs
μs
RMS Phase Error
Phase Noise when RF2 VCO for
PDC800 is activated in Normal Mode
(HS = 0).
1.3
-95
degrees
dBc/Hz
L(f)
RF2out
@
25 kHz offset
-93
-91
-103
-101
-113
-111
-135
-133
-25
-20
-14
-11
@
50 kHz offset
-106
dBc/Hz
@
100 kHz offset
-115
dBc/Hz
@
1 MHz offset
dBc/Hz
2
nd
Harmonic Suppression
3
rd
Harmonic Suppression
dBc
dBc
dBc
OB_CRL[1:0] = 11, 10, 01
OB_CRL[1:0] = 00
L
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參數(shù)描述
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