t5743n ATMEL Corporation, t5743n Datasheet - Page 29

• Manufacturer Part Number: t5743n
• Description: Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Electrical Characteristics (continued)
All parameters refer to GND, T
less otherwise specified. (For typical values: V
Rev. A1, 25-May-00
Current consumption
LNA mixer
Third-order intercept point
LO spurious emission
@ 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
Static capacitance at Pin XTO
to GND
In
Parameters
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 fig-
ure 6
Input matched according to fig-
ure 6, required according to
I–ETS 300220
Input matching according to fig-
ure 6
@ 433.92 MHz
@ 315 MHz
Input matched according to fig-
ure 6, referred to RF
Input matched according to fig-
ure 6, BER
FSK mode
ASK mode
f
@ 1 MHz
@ 10 MHz
@ ± f
For best LO noise
(design parameter)
R1 = 820 W
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
osc
XTAL
XTAL
XTO
amb
= 432.92 MHz
Test Conditions / Pins
= 6.764 MHz
XTO
= 6.764375 MHz (EU)
= 4.90625 MHz (US)
= –40°C to +105°C, V
4.906 MHz
Preliminary Information
≤
10
–3
,
in
S
= 5 V, T
FSK
ASK
amb
S
= 4.5 V to 5.5 V, f
Zi
Symbol
IS
P
= 25°C)
C
L (fm)
K
B
LNA_IN
IP
f
f
IS
in_max
IS
IIP3
LF_tot
VCO
NF
XTO
LORF
R
VCO
Loop
C
1db
off
on
S
0
–30 ppm
Min.
299
0
= 433.92 MHz and f
1.0 || 1.56
1.3 || 1.0
f
–113
Typ.
XTAL
170
–28
–73
–40
–93
–55
190
100
7.5
7.1
7
T5743N
+30 ppm
Max.
–110
276
–57
–22
–20
449
–90
–47
150
220
0
9.1
8.7
6.5
10
= 315 MHz, un-
dBC/Hz
dBC/Hz
kΩ || pF
kΩ || pF
MHz/V
29 (34)
MHz
MHz
dBm
dBm
dBm
dBm
dBm
Unit
dBC
kHz
mA
mA
µA
dB
nF
pF
W
W