ATA3742_07 ATMEL [ATMEL Corporation], ATA3742_07 Datasheet - Page 29

• Manufacturer Part Number: ATA3742_07
• Description: UHF ASK/FSK Receiver
• Manufacturer: ATMEL [ATMEL Corporation]

9. Electrical Characteristics
All parameters refer to GND, T
(V
4900B–RKE–11/07
Parameters
Current consumption
LNA Mixer
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
Spurious of the VCO
VCO gain
Loop bandwidth of the PLL
Capacitive load at pin LF
XTO operating frequency
Series resonance resistor of the
crystal
S
= 5V, T
amb
= 25°C)
In
amb
= –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
LNA/mixer/IF amplifier
input matched according to
on page 6
Input matched according to
on page
I-ETS 300220
Input matching according to
on page 6
at 433.92 MHz
at 315 MHz
Input matched according to
on page
Input matched according to
on page
BER
ASK mode
f
at 1 MHz
at 10 MHz
at ±f
For best LO noise
(design parameter)
R
C
C
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
6.764375 MHz
4.90625 MHz
f
osc
XTO
1
9
10
= 820
= 4.7 nF
= 432.92 MHz
= 1 nF
XTO
= 6.764 MHz
4.906 MHz
10
6, required according to
6, referred to RF
6,
-3
,
S
= 4.5V to 5.5V, f
in
Figure 3-3
Figure 3-3
Figure 3-3
Figure 3-3
Figure 3-3
0
= 433.92 MHz and f
Symbol
Zi
P
IS
C
L (fm)
K
B
IP
IIP3
f
IS
IS
f
LNA_IN
in_max
NF
LF_tot
VCO
XTO
R
LORF
Loop
VCO
1db
off
on
S
6.764375
–30 ppm
–30 ppm
4.90625
0
= 315 MHz, unless otherwise specified.
Min.
299
1.0 || 1.56
6.764375
1.3 || 1.0
4.90625
–113
Typ.
190
–28
–73
–40
–93
–55
190
100
7.0
7
6.764375
+30 ppm
+30 ppm
4.90625
ATA3742
Max.
–110
350
–57
–28
–20
449
–90
–47
150
220
8.6
10
k || pF
k || pF
dBC/Hz
dBC/Hz
MHz/V
dBm
dBm
dBm
dBm
dBm
MHz
MHz
MHz
Unit
dBC
kHz
mA
µA
dB
nF
29