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AS3977 Fiches technique(PDF) 13 Page - ams AG

No de pièce AS3977
Description  Multi-Channel Narrowband FSK Transmitter
PDF  47 Pages
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Fabricant  AMSCO [ams AG]
Site Internet  http://www.ams.com
Logo AMSCO - ams AG

AS3977 Fiches technique(HTML) 13 Page - ams AG

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www.austriamicrosystems.com/AS3977
Revision 3.6
13 - 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
Table 14. Temperature Sensor
Symbol
Parameter
Conditions
Min
Typ
Max
Units
ERRTS
Absolute Error
TAMB = -40…85ºC
-5
+5
ºC
ERRTSL
Absolute Error (limited temperature
range)
TAMB = -20…65ºC
±2
ºC
Conversion Factor
TAMB = -40…85ºC
0.19
ºC/bit
ORTS
Output Resolution
10
bit
CRTS
Conversion Rate
fTS = fCRYSTAL/12
after startup time of 256 / fTS
fTS/1354 samples/
s
Table 15. Voltage Regulator for Power Amplifier
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VREGRF
Output Voltage for supply Power
Amplifier
Adjustable, nominal value
1.7
2.0
V
D_VREGR
F
Regulator Tolerance
-0.15
0.1
V
Table 16. Current Consumption
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IPDWN
Power Down Mode
VSUP=3V @ 25ºC
100
250
nA
VSUP=2.0…3.6V,
TAMB=-40…85ºC
1000
5000
ICLKEN
Clock Enable Mode
VSUP=3V @ 25ºC,
Cload≤20pF, fCLK=20MHz
11.25
mA
VSUP=2.0…3.6V,
TAMB=-40..85ºC, Cload
≤20pF,
fCLK=20MHz
1.25
1.6
ITemp_sens
Temperature sensor Current
VSUP=2.0..3.6V,
TAMB=-40..85ºC
0.25
mA
IPLLEN
PLL Enable Mode
VSUP=2.0…3.6V,
TAMB=-40…85ºC
5.6
mA
ITX8dBm31
5
Transmit Mode @ 8dBm output
power,
315 MHz band @ 50
Ω including
matching network, strong AB
operation
VSUP=3V @ 25ºC
without the use of
the internal
regulator
1
13.5
16.5
mA
VSUP=2.0…3.6V,
TAMB=-40…85ºC
15.5
19
mA
VSUP=3V @ 25ºC
with the use of the
internal regulator
14.0
17.0
mA
VSUP=2.2…3.6V,
TAMB=-40…85ºC
16.0
19.5
mA
ITX8dBm43
3
Transmit Mode @ 8dBm output
power,
433 MHz band @ 50
Ω including
matching network, strong AB
operation
VSUP=3V @ 25ºC
without the use of
the internal
regulator
12.5
15.5
mA
VSUP=2.0…3.6V,
TAMB=-40…85ºC
14.5
18
mA
VSUP=3V @ 25ºC
with the use of the
internal regulator
13.0
16.0
mA
VSUP=2.2…3.6V,
TAMB=-40…85ºC
15
18.5
mA



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