ATA5761 ATMEL Corporation, ATA5761 Datasheet - Page 37

• Manufacturer Part Number: ATA5761
• Description: UHF Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

18. Electrical Characteristics (continued)
All parameters refer to GND, T
(For typical values: V
4896D–RKE–08/08
Parameters
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 variation over
full operating range
Reduced sensitivity variation for
different values of R
Threshold voltage for reset
Sense
S
= 5V, T
amb
amb
= 25°C)
= –40°C to +105°C, V
f
Test Conditions
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
programmable in 4 ranges via a serial
mode word
BR_Range0 (default)
BR_Range1
BR_Range2
BR_Range3
300 kHz IF-filter
R
Figure 14-1 on page
f
V
R
R
600 kHz IF-filter
R
Figure 14-1 on page
f
V
R
R
R
R
P
Values relative to R
R
R
R
R
R
R
P
cu_DF
to V
in
to V
in
S
S
Red
Red
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
Sense
= 868.3 MHz/915 MHz,
= 868.3 MHz/915 MHz,
= 5V, T
= 5V, T
S
S
= P
= P
, input matched according to
, input matched according to
connected from pin Sens
= 56 k
= 100 k
connected from pin Sens
= 56 k
= 100 k
= 56 k
= 100 k
= 56 k
= 68 k
= 82 k
= 100 k
= 120 k
= 150 k
=
Ref_Red
Ref_Red
------------------------------------------------------------ -
2
amb
amb
= +25°C
= +25°C
+ P
+ P
30 k
S
= 4.5V to 5.5V, f
Sense
Red
Red
1
30,
30,
= 56 k
CDEM
0
= 868.3 MHz and f
V
Symbol
P
P
P
P
fcu_DF
CDEM
ThRESET
t
Ref_Red
Ref_Red
Ref_Red
Ref_Red
ee_sig
P
P
fu
Red
Red
0
Min.
0.11
15.0
1.95
270
156
–67
–76
–63
–72
2.8
4.8
8.0
89
50
= 915 MHz, unless otherwise specified.
5
5
ATA5760/ATA5761
–11.0
–13.5
Typ.
0.16
10.0
19.0
–3.5
–6.0
–9.0
–72
–81
–68
–77
8.2
3.4
6.0
2.8
39
22
12
0
0
0
Max.
1000
0.20
12.0
23.0
3.75
560
320
180
–77
–86
–73
–82
4.0
7.2
0
0
(peak
(peak
level)
level)
dBm
dBm
dBm
dBm
dBm
dBm
Unit
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
nF
nF
nF
nF
µs
µs
µs
µs
V
37