ATA3741P2-TGQY Atmel, ATA3741P2-TGQY Datasheet - Page 26

• Manufacturer Part Number: ATA3741P2-TGQY
• Description: IC UHF ASK/FSK RECEIVER 20SOIC
• Manufacturer: Atmel

Specifications of ATA3741P2-TGQY

• Frequency: 300MHz ~ 450MHz
• Sensitivity: -108dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, TPM, Security Systems
• Current - Receiving: 7mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Other names: ATA3741P2-TGQYTR

9. Electrical Characteristics (Continued)
All parameters refer to GND, T
(V
Parameters
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 of the crystal
Analog Signal Processing
Input sensitivity ASK 300-kHz IF filter
Input sensitivity ASK 300-kHz IF filter BR_Range0
Input sensitivity ASK 300-kHz IF filter BR_Range1
Input sensitivity ASK 300-kHz IF filter BR_Range2
Input sensitivity ASK 300-kHz IF filter BR_Range3
Input sensitivity ASK 600-kHz IF filter
26
S
= 5V, T
amb
ATA3741
= 25°C)
amb
= –40°C to +105°C, V
Test Conditions
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
6.764375 MHz
4.90625 MHz
f
Input matched according to
3-3
ASK (level of carrier)
BER 10
f
T = 25°C, V
f
Input matched according to
3-3
ASK (level of carrier)
BER 10
f
T = 25°C, V
f
osc
XTO
in
IF
in
IF
= 433.92 MHz/315 MHz
= 433.92 MHz/315 MHz
= 1 MHz
= 1 MHz
= 432.92 MHz
= 6.764 MHz
XTO
4.906 MHz
–3
–3
, B = 300 kHz
, B = 600 kHz
S
S
= 5V
= 5V
S
= 4.5V to 5.5V, f
Figure
Figure
0
= 433.92 MHz and f
Symbol
P
P
L (fm)
C
B
Ref_ASK
Ref_ASK
K
f
f
C
VCO
LF_tot
R
XTO
VCO
Loop
xto
S
6.764375
–30 ppm
–30 ppm
0
4.90625
= 315 MHz, unless otherwise specified.
–109
–107
–106
–104
Min.
299
6.764375
4.90625
–111
–109
–108
–106
–113
Typ.
–93
–55
190
100
6.764375
+30 ppm
+30 ppm
4.90625
–110
–113
–111
–110
–108
Max.
449
–90
–47
150
220
6.5
10
4899B–RKE–10/06
dBC/Hz
dBC/Hz
MHz/V
MHz
MHz
MHz
dBm
dBm
dBm
dBm
dBC
Unit
kHz
nF
pF