t5743n ATMEL Corporation, t5743n Datasheet - Page 31

• Manufacturer Part Number: t5743n
• Description: Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Electrical Characteristics (continued)
All parameters refer to GND, T
less otherwise specified. (For typical values: V
Rev. A1, 25-May-00
S/N ratio to suppress inband
noise signals. Noise signals
may have any modulation
scheme
Dynamic range RSSI ampl.
Lower cut-off frequency of
the data filter
Recommended CDEM for
best performance
Edge-to-edge time period of
the input data signal for full
sensitivity
Upper cut-off frequency data
filter
Reduced sensitivity
Reduced sensitivity
Reduced sensitivity
Reduced sensitivity
Reduced sensitivity
Reduced sensitivity variation
over full operating range
Reduced sensitivity variation
for different values of R
Threshold voltage for reset
Parameters
Sense
f
ASK mode
FSK mode
CDEM = 33 nF
BR_Range0 (default)
BR_Range1
BR_Range2
BR_Range3
BR_Range0 (default)
BR_Range1
BR_Range2
BR_Range3
Upper cut-off frequency pro-
grammable in 4 ranges via a se-
rial mode word
BR_Range0 (default)
BR_Range1
BR_Range2
BR_Range3
R
to figure 6
R
f
R
MHz
R
R
R
R
P
Values relative to
R
R
R
R
R
R
R
P
cu_DF
to V
in
Red
Red
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
amb
= 433.92 MHz,
S
= P
= P
Test Conditions / Pins
+
, input matched according
connected from Pin Sens
= 56 kW,
= 100 kW, f
= 56 kW, f
= 100 kW, f
= 56 kW
= 100 kW
= 56 kW
= 56 kW
= 68 kW
= 82 kW
= 100 kW
= 120 kW
= 150 kW
= –40°C to +105°C, V
Preliminary Information
2
Ref_Red
Ref_Red
p
+ DP
+ DP
in
30kW
in
in
= 315 MHz
1
= 433.92
= 315 MHz
S
Red
Red
= 5 V, T
CDEM
amb
S
= 4.5 V to 5.5 V, f
V
SNR
SNR
P
P
P
P
Symbol
DR
CDEM
= 25°C)
f
DP
DP
DP
DP
DP
DP
DP
ThRESET
t
Ref_Red
Ref_Red
Ref_Red
Ref_Red
cu_DF
ee_sig
f
RSSI
u
Red
Red
Red
Red
Red
Red
Red
ASK
FSK
–11.0
–13.5
Min.
15.0
–3.5
–6.0
–9.0
1.95
0.11
270
156
–67
–76
–68
–77
2.8
4.8
8.0
89
50
5
6
0
0
= 433.92 MHz and f
Typ.
0.16
10.0
19.0
–72
–81
–73
–82
8.2
3.4
6.0
2.8
60
39
22
12
0
0
T5743N
Max.
1000
0.20
12.0
23.0
3.75
560
320
180
–77
–86
–78
–87
0
4.0
7.2
12
3
0
0
= 315 MHz, un-
31 (34)
(peak
level)
dBm
dBm
dBm
dBm
dBm
Unit
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
nF
nF
nF
nF
ms
ms
ms
ms
V