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LMV225SDX データシート(PDF) 3 Page - Texas Instruments

部品番号 LMV225SDX
部品情報  LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
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LMV225SDX データシート(HTML) 3 Page - Texas Instruments

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LMV225, LMV226, LMV228
www.ti.com
SNWS013L – AUGUST 2003 – REVISED MARCH 2013
2.7 DC AND AC ELECTRICAL CHARACTERISTICS
Unless otherwise specified, all limits are specified to VDD = 2.7V; TJ = 25°C. Boldface limits apply at temperature extremes.
(1)
Symbol
Parameter
Condition
Min
Typ
Max
Units
IDD
Supply Current
Active Mode: RFIN/EN = VDD
LMV225
4.8
7
(DC), No RF Input Power
8
Present
LMV226
4.9
6.2
mA
8
LMV228
4.9
6.2
8
Shutdown: RFIN/EN = GND (DC), No RF Input
0.44
4.5
μA
Power Present
VLOW
EN Logic Low Input Level
0.8
V
(2)
VHIGH
EN Logic High Input Level
1.8
V
(2)
ton
Turn-on-Time (3)
No RF Input Power Present,
LMV225
2.1
Output Loaded with 10 pF
LMV226
1.2
μs
LMV228
1.7
tr
Rise Time (4)
Step from no Power to
LMV225
4.5
0 dBm Applied, Output
Loaded with 10 pF
μs
Step from no Power to
LMV226
1.8
15 dBm Applied, Output
LMV228
4.8
Loaded with 10 pF
IEN
Current into RFIN/EN Pin
1
μA
PIN
Input Power Range (5)
LMV225
−30
dBm
0
−43
dBV
−13
LMV226
−15
dBm
15
−28
dBV
2
LMV228
−15
dBm
15
−28
dBV
2
(1)
Electrical Table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very
limited self-heating of the device such that TJ = TA. No specification of parametric performance is indicated in the electrical tables under
conditions of internal self-heating where TJ > TA.
(2)
All limits are specified by design or statistical analysis
(3)
Turn-on time is measured by connecting a 10 k
Ω resistor to the RFIN/EN pin. Be aware that in the actual application on the front page,
the RC-time constant of resistor R2 and capacitor C adds an additional delay.
(4)
Typical values represent the most likely parametric norm.
(5)
Power in dBV = dBm + 13 when the impedance is 50
Ω.
Copyright © 2003–2013, Texas Instruments Incorporated
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Product Folder Links: LMV225 LMV226 LMV228


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