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AS3977 Fiches technique(PDF) 14 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) 14 Page - ams AG

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www.austriamicrosystems.com/AS3977
Revision 3.6
14 - 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
ITX4dBm86
8
Transmit Mode @ 4dBm output
power,
868 MHz and 906MHz band @
50
Ω including matching
network, strong AB operation
VSUP=3V @ 25ºC
without the use of
the internal
regulator
14.5
17.5
mA
VSUP=2.0…3.6V,
TAMB=-40…85ºC
16.5
19.0
mA
VSUP=3V @ 25ºC
with the use of the
internal regulator
15.0
18.0
mA
VSUP=2.2…3.6V,
TAMB=-40…85ºC
17.0
19.5
mA
1. Power line matching needs to be adjusted to VDD to ensure strong AB operation mode
Table 17. DC/AC Characteristics for Digital Interface
Symbol
Parameter
Conditions
Min
Typ
Max
Units
CMOS Input
VIH
High Level Input Voltage
0.7 *
VSUP
VSUP +
0.1
V
VIL
Low Level Input Voltage
VGND -0.1
0.3 * VSUP
V
IIL
Low Level Input Leakage Current
no internal pull up/down
±1
µA
IIH
High Level Input Leakage Current
no internal pull up/down
±1
µA
IIHPD
High Level Input Leakage Current with
internal pull down
VSUP=3.6V, VIN=3.6V
15
60
µA
CMOS Output
Note:
The following specification is valid for the DATAIO standard CMOS output. The MCCLK output can be programmed to different driver
strengths according MCCDS register.
VOH
High level output voltage
VSUP=3V, at nominal high level output
current
VSUP-0.5
V
VOL
Low level output voltage
VSUP=3V, at nominal low level output
current
VSS+0.4
V
CL
Capacitive load
20
pF
tR
Rise time
50
ns
tF
Fall time
50
ns
IOH
High level output current
1mA
IOL
Low level output current
1mA
Table 16. Current Consumption
Symbol
Parameter
Conditions
Min
Typ
Max
Units



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