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AS3977 データシート(PDF) 11 Page - ams AG

部品番号 AS3977
部品情報  Multi-Channel Narrowband FSK Transmitter
PDF  47 Pages
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メーカー  AMSCO [ams AG]
ホームページ  http://www.ams.com
Logo AMSCO - ams AG

AS3977 データシート(HTML) 11 Page - ams AG

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www.austriamicrosystems.com/AS3977
Revision 3.6
11 - 47
AS3977
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
fBW
Charge pump setting:
ICHP
@ 12.5 µA
Reference Frequency = 4MHz
VSUP = 3.0 V;
TAMB = 25ºC
50
kHz
@ 25 µA
70
@ 37.5µA
90
@ 50 µA
120
Filter Bandwidth at 868 MHz
fBW
Charge pump setting:
ICHP
@ 12.5 µA
Reference Frequency = 4MHz
VSUP = 3.0 V;
TAMB = 25ºC
50
kHz
@ 25 µA
70
@ 37.5µA
90
@ 50 µA
120
Table 9. Power Amplifier (300 - 320 MHz and 425 - 450 MHz Bands)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
POUT
Min. Output Power @ 50
Ω
VSUP=3V, @ 25ºC,
Power depending on power setting with or
without the use of the internal voltage
regulator, external matching network
included
-20
dBm
POUT
Max. Output Power @ 50
Ω
VSUP=3V, @ 25ºC,
Power depending on power setting with or
without the use of the internal voltage
regulator, external matching network
included
8dBm
POUT
Output Power
Variation@ 50
Ω
1
(300 – 320MHz)
VSUP=3V, @ 25ºC,
Power depending on register setting with
or without the use of the internal voltage
regulator,
external matching network included,
strong AB operation mode
-2.5
+2.5
dBm
POUT
Output Power
Variation@ 50
Ω
1
(425 – 450MHz)
VSUP=3V, @ 25ºC,
Power depending on register setting with
or without the use of the internal voltage
regulator,
external matching network included,
strong AB operation mode
-2.0
+2.0
dBm
POUT
Output Power Variation vs. VDD and
Temperature @ 50
Ω
VSUP=2.2…3.6V, TAMB=-40…85ºC, With
the use of the internal voltage regulator,
external matching network included,
strong AB operation mode
-2.8
+0.6 /
-1.5
1.0
dB
POUT
Output Power Variation vs.
Temperature @ 50
Ω
VSUP=3V, TAMB=-40..85ºC,
Without the use of the internal voltage
regulator,
external matching network included,
strong AB operation mode
+1.5 /
-2.0
dB
POUT
Max Output Power @ 50
Ω
VSUP=3.6V, @ 25ºC,
Power depending on power setting
without the use of the internal voltage
regulator,
external matching network included
10
dBm
1. Limits by production test measurement uncertainties
Table 8. (Continued)Loop Filter Bandwidth
Symbol
Parameter
Conditions
Min
Typ
Max
Units



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