參數(shù)資料
型號(hào)： LMX2525LQ1321/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 26 MHz, QCC24
封裝： 5 X 4 MM, 0.75 MM HEIGHT, LLP-24
文件頁(yè)數(shù)： 12/17頁(yè)
文件大?。?/td> 237K
代理商： LMX2525LQ1321/NOPB
Absolute Maximum Ratings (Notes 2, 3,
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 -0.5 to 3.6
V
Voltage on any pin
to GND
V
I
-0.3 to V
CC + 0.3
V
-0.3 to V
DD + 0.3
V
Storage Temperature Range T
STG
-65 to 150
C
Recommended Operating
Conditions
Parameter
Symbol
Min Typ Max Unit
Ambient Temperature
T
A
-30
25
85
C
Supply Voltage (to GND) V
CC,VDD
2.5
3.3
V
Note 2: 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 3: 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 workstations.
Note 4: GND=0V.
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 other-
wise noted.)
Symbol
Parameter
Condition
Min
Typ
Max
Units
I
CC PARAMETERS
I
CC +IDD
Supply Current (Note 5)
OB_CRL [1:0] = 10
10.6
12.0
12.3
mA
OB_CRL [1:0] = 00
10.0
11.5
11.8
mA
I
CC +IDD
Supply Current (Note 6)
OB_CRL [1:0] = 10
15.0
16.5
16.8
mA
OB_CRL [1:0] = 00
14.2
15.6
15.9
mA
I
PD
Power Down Current
CE = LOW or
RF_PD = 1
20
A
REFERENCE OSCILLATOR PARAMETERS
f
OSCin
Reference Oscillator Input Frequency
Supports 12.6, 14.4, 25.2
and 26.0 MHz.
12.6
14.4
26.0
MHz
V
OSCin
Reference Oscillator Input Sensitivity
0.5
V
CC
Vp-p
RF1 VCO FOR PDC1500
f
RF1out
Frequency Range (Note 8)
RF1 VCO for PDC1500
1270.22
1394.95
MHz
P
RF1out
Output Power
OB_CRL [1:0] = 11
-5
-2
1
dBm
OB_CRL [1:0] = 10
-7
-4
-1
dBm
OB_CRL [1:0] = 01
-10
-7
-4
dBm
OB_CRL [1:0] = 00
-13
-10
-7
dBm
Lock Time
Full frequency span within
each band in High Speed
Mode (HS = 1).
300
s
Between bands High Speed
Mode (HS = 1).
300
s
Full frequency span within
each band in Normal Mode
(HS = 0).
500
s
375
s
Between bands in Normal
Mode (HS = 0).
500
s
400
s
RMS Phase Error
1.3
degrees
LMX2525
www.national.com
4
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