ATA5761 ATMEL Corporation, ATA5761 Datasheet - Page 35

• 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
Local Oscillator
Operating frequency range VCO
Phase noise local oscillator
Spurious of the VCO
XTO pulling
Series resonance resistor of the
crystal
Static capacitance at pin XTAL to
GND
Analog Signal Processing (Input Matched According to
Input sensitivity ASK
Input sensitivity ASK
Sensitivity variation ASK for the full
operating range compared to T
25°C, V
S
= 5V
S
= 5V, T
amb
amb
amb
= 25°C)
= –40°C to +105°C, V
=
Test Conditions
T5760
T5761
f
At ±f
XTO pulling,
appropriate load capacitance must be
connected to XTAL,
crystal C
Parameter of the supplied crystal
Parameter of the supplied crystal and
board parasitics
ASK (level of carrier)
300 kHz IF-filter
BER
f
V
f
BR_Range0
BR_Range1
BR_Range2
BR_Range3
ASK (level of carrier)
600 kHz IF-filter
BER
f
V
f
BR_Range0
BR_Range1
BR_Range2
BR_Range3
f
f
P
osc
in
IF
in
IF
in
IF
S
S
ASK
= 868.3 MHz/915 MHz
= 868.3 MHz/915 MHz
= 868.3 MHz/915 MHz
= 950 kHz/1 MHz
= 950 kHz/1 MHz
= 950 kHz/989 kHz/1 MHz
= 5V, T
= 5V, T
= 867.3 MHz at 10 MHz
XTO
= P
10
10
M
Ref_ASK
-3
-3
amb
amb
= 7 fF
, 100% Mod
, 100% Mod
= 25°C
= 25°C
+ P
S
= 4.5V to 5.5V, f
Ref
Figure 14-1 on page 30
0
= 868.3 MHz and f
Symbol
P
P
L (fm)
Ref_ASK
Ref_ASK
f
f
f
VCO
VCO
XTO
R
C
P
Ref
S
0
Referred to RFIN)
–30ppm
–108.5
–111
–109
–108
–106
–110
–108
–106
0
Min.
+2.5
866
900
= 915 MHz, unless otherwise specified.
ATA5760/ATA5761
–110.5
–140
–113
–111
–110
–108
–112
–110
–108
Typ.
f
–55
XTAL
+30ppm
–112.5
Max.
–130
–115
–113
–112
–110
–114
–112
–110
–1.0
871
929
–45
120
6.5
dBC/Hz
MHz
MHz
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Unit
dBC
dB
pF
35