U3741BM-M2FLG3 TEMIC [TEMIC Semiconductors], U3741BM-M2FLG3 Datasheet - Page 22

• Manufacturer Part Number: U3741BM-M2FLG3
• Description: UHF ASK/FSK Receiver
• Manufacturer: TEMIC [TEMIC Semiconductors]

Electrical Characteristics (continued)
All parameters refer to GND, T
unless otherwise specified. (V
U3741BM
full operating range including
period of the input data signal
period of the input data signal
Sensitivity variation FSK for
the full operating range
compared to T
V
Sensitivity variation FSK for
IF filter compared to
T
FSK frequency deviation
S/N ratio to suppress inband
noise signals
Dynamic range RSSI ampl.
Lower cut-off frequency of
the data filter
Recommended CDEM for
best performance
Maximum edge-to-edge time
for full sensitivity
Upper cut-off frequency data
filter
Minimum edge-to-edge time
for full sensitivity
22 (25)
amb
S
= 5 V
= 25 C, V
Parameters
amb
S
= 5 V
= 25 C,
300-kHz and 600-kHz version
f
f
f
P
600-kHz version
f
f
f
P
The sensitivity of the receiver is
higher for higher values of
BR_Range0
BR_Range1
BR_Range2 and BR_Range3
are not suitable for FSK
operation
ASK mode
FSK mode
CDEM = 33 nF
ASK mode
BR_Range0 (Default)
BR_Range1
BR_Range2
BR_Range3
FSK mode
BR_Range0 (Default)
BR_Range1
BR_Range2 and BR_Range3
are not suitable for FSK
operation
BR_Range0 (Default)
BR_Range1
BR_Range2
BR_Range3
Upper cut-off frequency
programmable in 4 ranges
via a serial mode word
BR_Range0 (Default)
BR_Range1
BR_Range2
BR_Range3
BR_Range0 (Default)
BR_Range1
BR_Range2
BR_Range3
cu_DF
in
IF
in
IF
IF
S
FSK
FSK
= 5 V, T
= 433.92 MHz/ 315 MHz
= 433.92 MHz/ 315 MHz
= 1 MHz
= 0.86 MHz to 1.14 MHz
= 0.82 MHz to 1.18 MHz
amb
Test Conditions / Pins
= P
= P
+
= –40 C to +105 C, V
2
Preliminary Information
Ref_FSK
Ref_FSK
amb
p
= 25 C)
+
+
30k
D
D
1
W
P
P
Ref
Ref
CDEM
D
f
FSK
S
SNR
SNR
Symbol
DR
= 4.5 V to 5.5 V, f
CDEM
CDEM
D
D
f
D
t
t
cu_DF
ee_sig
ee_sig
P
f
P
f
FSK
RSSI
u
Ref
Ref
ASK
FSK
Min.
+2.5
+5.5
+7.5
0.11
13.6
2.5
4.3
7.6
20
20
10
2
0
= 433.92 MHz and f
Typ.
0.16
17.0
8.2
3.1
5.4
9.5
30
30
60
39
22
12
27
15
Rev. A1, 15-Oct-98
Max.
1000
–1.5
–1.5
–1.5
0.20
20.4
11.4
560
320
180
270
156
3.7
6.5
50
50
12
89
50
3
0
= 315 MHz,
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
nF
nF
nF
nF
nF
nF
m
m
m
m
m
m
m
m
s
s
s
s
s
s
s
s