T5743
Electrical Characteristics (Continued)
All parameters refer to GND, Tamb = -40LC to +105LC, VS = 4.5 V to 5.5 V, f0 = 433.92 MHz and f0 = 315 MHz, unless otherwise specified.
(For typical values: VS = 5 V, Tamb = 25LC)
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Input sensitivity FSK
600 kHz IF-filter
Input matched according to
Figure 6
BER ? 10-3, BW = 600 kHz
fin = 433.92 MHz/315 MHz
VS = 5 V, Tamb = 25LC
fIF = 1 MHz
BR_Range0
df = ±16 kHz
df = ±10 kHz to ±100 kHz
PRef_FSK
PRef_FSK
PRef_FSK
PRef_FSK
-101
-99
-104
-102
-105.5
-105.5
dBm
dBm
BR_Range1
df = ±16 kHz
df = ±10 kHz to ±100 kHz
-99
-97
-103.5
-103.5
dBm
dBm
BR_Range2
df = ±16 kHz
df = ±10 kHz to ±100 kHz
-97.5
-95.5
-100.5
-98.5
-102
-102
dBm
dBm
BR_Range3
df = ±16 kHz
df = ±10 kHz to ±100 kHz
-95.5
-93.5
-100
-100
dBm
dBm
Sensitivity variation FSK for the full 300 kHz and 600 kHz version
operating range compared to
Tamb = 25LC, VS = 5 V
fin = 433.92 MHz/315 MHz
fIF = 1 MHz
+3
-1.5
dB
ꢄPRef
PFSK = PRef_FSK + ꢄPRef
Sensitivity variation FSK for the full 300 kHz version
operating range including IF-filter
fin = 433.92 MHz/ 315 MHz
compared to Tamb = 25LC, VS = 5 V fIF = 0.89 MHz to 1.11 MHz
+6
+8
+11
-2
-2
-2
dB
dB
dB
ꢄPRef
fIF = 0.86 MHz to 1.14 MHz
fIF = 0.82 MHz to 1.18 MHz
PFSK = PRef_FSK + ꢄPRef
600 kHz version
fin = 433.92 MHz/ 315 MHz
f
IF = 0.85 MHz to 1.15 MHz
fIF = 0.80 MHz to 1.20 MHz
IF = 0.74 MHz to 1.26 MHz
FSK = PRef_FSK + ꢄPRef
+6
+8
+11
-2
-2
-2
dB
dB
dB
ꢄPRef
f
P
S/N ratio to suppress inband noise
signals. Noise signals may have any FSK mode
modulation scheme
ASK mode
SNRASK
SNRFSK
12
3
dB
dB
Dynamic range RSSI ampl.
DRRSSI
fcu_DF
60
dB
Lower cut-off frequency of the data CDEM = 33 nF
filter
1
f
= -----------------------------------------------------------
cu_DF
2 P ꢃ P 30 kꢂ P CDEM
0.11
0.16
0.20
kHz
Recommended CDEM for best
performance
BR_Range0 (default)
BR_Range1
BR_Range2
39
22
12
8.2
nF
nF
nF
nF
CDEM
BR_Range3
37
4569A–RKE–12/02
ATMEL [ ATMEL ]
