ata5724p3c-tkqy ATMEL Corporation, ata5724p3c-tkqy Datasheet - Page 43

• Manufacturer Part Number: ata5724p3c-tkqy
• Description: Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

19. Electrical Characteristics Atmel ATA5723C/24C/28C (Continued)
All parameters refer to GND, T
unless otherwise specified. (For typical values: V
9248A–RKE–09/11
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
14.10 Dynamic range RSSI amplifier
14.11 RSSI output voltage range
14.12 RSSI gain
14.13
14.14
14.15
14.16
14.17 Reduced sensitivity
14.8
14.9
No. Parameters
Sensitivity variation FSK for
the full operating range
including IF filter compared to
T
V
S/N ratio to suppress in-band
noise signals. Noise signals
may have any modulation
scheme
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
amb
S
= 5V
= 25°C,
amb
= –40°C to +105°C, V
Test Conditions
300kHz version (ATA5723C/ATA5724C)
f
f
f
f
f
P
600kHz version (Atmel ATA5728C)
f
f
f
f
f
P
ASK mode
FSK mode
CDEM = 33nF
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 using a serial mode word
BR_Range0 (default)
BR_Range1
BR_Range2
BR_Range3
300kHz version (ATA5723C/ATA5724C)
R
to V
14-1
f
V
R
R
f
in
IF
IF
IF
IF
in
IF
IF
IF
IF
in
cu_DF
FSK
FSK
S
Sense
Sense
Sense
= 315MHz/433.92MHz
= 868.3MHz
= 315MHz/433.92MHz,
= 987kHz
= –110kHz to +110kHz
= –140kHz to +140kHz
= –180kHz to +180kHz
= 948kHz
= –150kHz to +150kHz
= –200kHz to +200kHz
= –260kHz to +150kHz
= 5V, T
S
, input matched according to
“Application Circuit,
= P
= P
connected from pin SENS
= 56k
= 100k
=
Ref_FSK
Ref_FSK
------------------------------------------------------------ -
2
amb
S
= 5V, T
= +25°C
Atmel ATA5723C/ATA5724C/ATA5728C
+ P
+ P
30 k
S
= 4.5V to 5.5V, f
amb
Ref
Ref
1
= 25°C)
CDEM
Figure
0
= 868.3MHz, f
Symbol
SNR
SNR
P
P
fcu_DF
CDEM
G
V
t
Ref_Red
Ref_Red
R
ee_sig
P
P
RSSI
RSSI
fu
RSSI
Ref
Ref
ASK
FSK
0
= 433.92MHz and f
Min.
0.11
15.0
+11
+11
270
156
–74
–83
2.8
4.8
8.0
+6
+8
+6
+8
89
50
1
Typ.
0.16
10.0
19.0
–79
–88
8.2
3.4
6.0
10
60
20
39
22
12
2
0
= 315MHz,
Max.
1000
0.20
12.0
23.0
560
320
180
–83
–93
3.5
4.0
7.2
–2
–2
–2
–2
–2
–2
12
3
mV/dB
(peak
level)
dBm
dBm
dBm
Unit
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
ms
ms
ms
ms
nF
nF
nF
nF
V
Type*
C
C
C
B
B
A
A
A
B
B
B
B
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