參數(shù)資料
型號(hào)： LMX2505LQ1321
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： PLLatinu Dual Frequency Synthesizer System with Integrated VCOs
中文描述： PLL FREQUENCY SYNTHESIZER, 26 MHz, QCC28
封裝： 5 X 5 MM, 0.75 MM HEIGHT, LLP-28
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 231K
代理商： LMX2505LQ1321
Absolute Maximum Ratings
(Notes 2, 3,
4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Parameter
Supply Voltage
Voltage on any pin
to GND
Symbol
V
CC
, V
DD
-0.5 to 3.6
V
I
Ratings
Units
V
V
V
C
-0.3 to V
CC
+0.3
-0.3 to V
DD
+0.3
-65 to 150
Storage Temperature
Range
T
STG
Recommended Operating
Conditions
Parameter
Ambient Temperature
Supply Voltage (to GND) V
CC
, V
DD
2.5
Symbol
T
A
Min Typ Max Unit
-30 25
85
3.3
C
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 = 0 V.
Electrical Characteristics
for T
= 25 C; Limits in
boldface
type apply over the operating temperature range from -20 C
≤
T
A
≤
75 C unless other-
wise noted.)
(V
IN
= 2.8 V, refer to Typical Application Circuit; Limits in standard typeface are
Symbol
I
CC
PARAMETERS
I
CC
+ I
DD
Parameter
Condition
Min
Typ
Max
Units
Supply Current (Note 5)
OB_CRL [1:0] = 11
11.5
13.0
13.3
11.5
11.8
17.5
17.8
15.6
15.9
20
mA
OB_CRL [1:0] = 00
10.0
mA
I
CC
+ I
DD
Supply Current (Note 6)
OB_CRL [1:0] = 11
16.0
mA
OB_CRL [1:0] = 00
14.2
mA
I
PD
Power Down Current
CE = LOW or
RF_PD = 1
μA
REFERENCE OSCILLATOR PARAMETERS
f
OSCin
Reference Oscillator Input Frequency
(Note 7)
V
OSCin
Reference Oscillator Input Sensitivity
RF1 VCO for PDC1500
f
RF1out
Frequency Range (Note 8)
P
RF1out
Output Power
12.6/14.4/25.2/26.0 MHz are
supported.
12.6
14.4
26.0
MHz
0.5
V
CC
Vp-p
RF1 VCO for PDC1500
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.
Between bands High Speed
Mode.
Full frequency span within
each band in Normal Mode.
1270.22
-5
-7
-10
-13
1394.95
1
-1
-4
-7
300
(Note 9)
MHz
dBm
dBm
dBm
dBm
μs
-2
-4
-7
-10
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.
μs
μs
RMS Phase Error
1.3
degrees
L
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