ATA5743P6-TGQY Atmel, ATA5743P6-TGQY Datasheet - Page 7

• Manufacturer Part Number: ATA5743P6-TGQY
• Description: IC RCVR ASK/FSK 600KHZ 20SOIC
• Manufacturer: Atmel

Specifications of ATA5743P6-TGQY

• Frequency: 300MHz ~ 450MHz
• Sensitivity: -110dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Telemetering, Security Technology
• Current - Receiving: 7.5mA
• 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)
• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant

Figure 4-2.
Figure 4-3.
4839B–RKE–08/05
RF
f
IN
RF
= 433.92 MHz
f
RFIN
RF
22p
Input Matching Network with SAW Filter
Input Matching Network without SAW Filter
C3
= 433.92 MHz
TOKO LL2012
15p
C3
L2
22n
C17
1.5p
L
25n
33n
L3
Please notice that for all coupling conditions (see
inductivity of the LNA ground is compensated. C3 forms a series resonance circuit together with
the bond wire. L = 25 nH is a feed inductor to establish a DC path. Its value is not critical, but
must be large enough not to detune the series resonance circuit. For cost reduction this inductor
can be easily printed on the PCB. This configuration improves the sensitivity of the receiver by
about 1 to 2 dB.
2
IN
TOKO LL2012
L
25n
100p
C16
F22NJ
8
9
100p
1, 3, 4
C16
LNAGND
ATA5743
LNA_IN
B3760
GND
8
9
6, 7, 8
LNAGND
LNA_IN
ATA5743
TOKO LL2012
L3
68n
OUT
5
RF
f
RF
IN
= 315 MHz
RF
f
RF
IN
= 315 MHz
27p
C3
27p
C3
TOKO LL2012
C17
2.7p
Figure 4-2
47n
L2
47n
L3
L
25n
2
TOKO LL2012
IN
25n
L
100p
C16
F39NJ
and
8
9
100p
1, 3, 4
Figure
C16
LNAGND
ATA5743
LNA_IN
B3761
8
9
GND
LNAGND
LNA_IN
ATA5743
6, 7, 8
4-3), the bond wire
TOKO LL2012
ATA5743
120n
L3
OUT
5
7