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
Edge-to-edge time period of the
input data signal for full sensitivity
BR_Range0 (default)
BR_Range1
BR_Range2
270
156
89
1000
560
320
180
µs
µs
µs
µs
tee_sig
BR_Range3
50
Upper cut-off frequency data filter
Upper cut-off frequency
programmable in 4 ranges
via a serial mode word
BR_Range0 (default)
BR_Range1
2.8
4.8
8.0
3.4
6.0
10.0
19.0
4.0
7.2
12.0
23.0
kHz
kHz
kHz
kHz
fu
BR_Range2
BR_Range3
15.0
Reduced sensitivity
RSense connected from Pin Sens
to VS, input matched according to
Figure 6
dBm
(peak
level)
RSense = 56 kꢃ, fin = 433.92 MHz,
at BW = 300 kHz
at BW = 600 kHz
PRef_Red
-71
-67
-76
-72
-81
-77
dBm
dBm
RSense = 100 kꢃ, fin = 433.92 MHz,
at BW = 300 kHz
at BW = 600 kHz
-80
-76
-85
-81
-90
-86
dBm
dBm
RSense = 56 kꢃ, fin = 315 MHz,
at BW = 300 kHz
at BW = 600 kHz
-72
-68
-77
-73
-82
-78
dBm
dBm
RSense = 100 kꢃ, fin = 315 MHz,
at BW = 300 kHz
at BW = 600 kHz
-81
-77
-86
-82
-91
-87
dBm
dBm
Reduced sensitivity variation over
full operating range
RSense = 56 kꢃ
RSense = 100 kꢃ
5
6
0
0
0
0
dB
dB
ꢄPRed
PRed = PRef_Red + ꢄPRed
Reduced sensitivity variation for
different values of RSense
Values relative to RSense = 56 kꢃ
RSense = 56 kꢃ
RSense = 68 kꢃ
RSense = 82 kꢃ
RSense = 100 kꢃ
RSense = 120 kꢃ
RSense = 150 kꢃ
PRed = PRef_Red + ꢄPRed
ꢄPRed
ꢄPRed
ꢄPRed
ꢄPRed
ꢄPRed
ꢄPRed
0
dB
dB
dB
dB
dB
dB
-3.5
-6.0
-9.0
-11.0
-13.5
Threshold voltage for reset
VThRESET
1.95
2.8
3.75
V
38
T5743
4569A–RKE–12/02
ATMEL [ ATMEL ]
