參數(shù)資料
型號: LMV228
廠商: National Semiconductor Corporation
英文描述: RF Power Detector for CDMA and WCDMA
中文描述: RF功率檢測器的CDMA和WCDMA
文件頁數(shù): 4/21頁
文件大?。?/td> 1090K
代理商: LMV228
2.7 DC and AC Electrical Characteristics
(Continued)
Unless otherwise specified, all limits are guaranteed to V
DD
= 2.7V; T
J
= 25C.
Boldface
limits apply at temperature extremes.
(Note 4)
Symbol
Parameter
Condition
Min
Typ
+0.64
1.07
+0.05
0.02
+0.22
0.36
+0.09
0.86
+0.07
0.10
+0.29
0.57
+0
0.69
+0
0.10
+0.23
0.64
+0
0.86
+0
0.29
+0.27
0.65
Max
Units
Variation Due to Temperature
900 MHz, RF
IN
= 0 dBm
Referred to 25C
900 MHz, RF
IN
= 15 dBm
Referred to 25C
LMV225
dB
LMV226
LMV228
1800 MHz, RF
IN
= 0 dBm
Referred to 25C
1800 MHz, RF
IN
= 15 dBm
Referred to 25C
LMV225
LMV226
LMV228
1900 MHz, RF
IN
= 0 dBm
Referred to 25C
1900 MHz, RF
IN
= 15 dBm
Referred to 25C
LMV225
LMV226
LMV228
2000 MHz, RF
IN
= 0 dBm
Referred to 25C
2000 MHz, RF
IN
= 15 dBm
Referred to 25C
LMV225
LMV226
LMV228
5.0 DC and AC Electrical Characteristics
Unless otherwise specified, all limits are guaranteed to V
DD
= 5.0V; T
J
= 25C.
Boldface
limits apply at temperature extremes.
(Note 4)
Symbol
I
DD
Parameter
Condition
Min
Typ
5.3
Max
7.5
9
6.8
9
6.8
9
4.5
Units
Supply Current
Active Mode: RF
IN
/E
N
=
V
DD
(DC), no RF Input
Power Present.
LMV225
mA
LMV226
5.3
LMV228
5.4
Shutdown: RF
IN
/E
N
= GND (DC), no
RF Input Power Present.
0.32
μA
V
LOW
E
N
Logic Low Input Level
(Note 6)
E
N
Logic High Input Level
(Note 6)
Turn-on-Time (Note 9)
0.8
V
V
HIGH
1.8
V
t
on
No RF Input Power
Present, Output Loaded
with 10 pF
LMV225
LMV226
LMV228
LMV225
2.1
1.0
1.7
4.5
μs
t
r
Rise Time (Note 7)
Step from no Power to 0
dBm Applied, Output
Loaded with 10 pF
Step from no Power to 15
dBm Applied, Output
Loaded with 10 pF
μs
LMV226
1.4
LMV228
4.8
L
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