ATA5743 ATMEL Corporation, ATA5743 Datasheet - Page 36

• Manufacturer Part Number: ATA5743
• Description: Ata5743 Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

9. Electrical Characteristics (Continued)
All parameters refer to GND, T
(For typical values: V
Parameters
Current consumption
LNA Mixer (Input Matched According to
Third-order intercept point
LO spurious emission at RF
Noise figure LNA and mixer (DSB)
LNA_IN input impedance
1 dB compression point (LNA, mixer,
IF amplifier)
Maximum input level
Local Oscillator
Operating frequency range VCO
Phase noise VCO/LO
Spurs of the VCO
VCO gain
Loop bandwidth of the PLL
Capacitive load at pin LF
XTO operating frequency
Series resonance resistor of the
crystal
Static capacitance at pin XTO to
GND
36
ATA5743
S
= 5V, T
In
amb
amb
= 25°C)
= -40°C to +105°C, V
Test Conditions
Sleep mode
(XTO and polling logic active)
IC active (start-up-, bit check-,
receiving mode) pin DATA = H
FSK
ASK
LNA/mixer/IF amplifier
Required according to I-ETS 300220
at 433.92 MHz
at 315 MHz
Referred to RF
BER 10
FSK mode
ASK mode
f
At 1 MHz
At 10 MHz
At ±f
For best LO noise (design
parameter)
R1 = 820
C9 = 4.7 nF
C10 = 1 nF
The capacitive load at pin LF is
limited if bit check is used. The
limitation therefore also applies to
self-polling.
XTO crystal frequency appropriate
load capacitance must be connected
to XTAL
f
f
f
f
osc
XTAL
XTAL
XTO
XTO
= 432.92 MHz
= 6.764 MHz
= 4.906 MHz
XTO
= 6.764375 MHz (EU)
= 4.90625 MHz (US)
Figure
-3
4-3)
in
S
= 4.5V to 5.5V, f
0
= 433.92 MHz and f
Symbol
Zi
IS
P
C
L(fm)
K
B
IP
IIP3
f
IS
IS
f
LNA_IN
in_max
NF
LF_tot
VCO
XTO
R
C
LORF
Loop
VCO
1db
off
on
S
0
-30 ppm
0
Min.
299
= 315 MHz, unless otherwise specified.
1.0 || 1.56
1.3 || 1.0
Typ.
-113
f
170
190
100
-28
-73
-40
-93
-55
7.5
7.1
XTAL
7
+30 ppm
Max.
-110
276
449
150
220
-57
-22
-20
-90
-47
9.1
8.7
6.5
10
4839B–RKE–08/05
k || pF
k || pF
dBC/Hz
dBC/Hz
MHz/V
dBm
dBm
dBm
dBm
dBm
MHz
MHz
Unit
dBC
kHz
mA
mA
dB
µA
nF
pF