Product Brief
TA32305FN/FNG Transceiver IC
Highlights
鈥?Short, wireless data
communication
Transceiver IC for
240 MHz to 450 MHz
applications
鈥?Applications include
Remote Keyless Entry,
Tire Pressure
Monitoring Systems,
Security Systems,
Monitoring Systems,
Telemetry and Radio
Frequency ID
Description
The TA32305FN/FNG is as single-chip IC
Transceiver for AM/FM radio. The IC
incorporates an RF amp, 2-level
comparator and local x8 circuit.
Features
鈥?High sensitivity: -120 dBm
鈥?RF frequency: 240 to 450 MHz
(multiplication is used)
鈥?100 to 450 MHz (multiplication is not
used)
Block Diagram
鈥?Current dissipation at BS: 0 碌A(chǔ) (typ.)
鈥?FM and AM comparator incorporated
鈥?RF amplifier incorporated
鈥?Built-in local x8 multiple circuit 鈥擳oshiba
patented circuit for low-current
consumption
鈥?MIX operating frequency: 240 to 450 MHz
鈥?Current consumption: TX 4.3 mA/RX
5.6 mA (FM), 5.3 mA (AM)
鈥?Operating power supply: 2.2V to 5.5V
鈥?IF frequency: 80 KHz
鈥?Package: SSOP30
SAW
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Rx
Data
Tx
Data
Rx
Tx
LPF
Out
LPF
In
AF
Out
RSSI
RSSI
REF GND1
Mix
In
RF- Charge
Out
RF-
DEC
RF-
In
Comparator
x8
Detector
Osc.
In
V
CC
1
1
2
U/L
3
4
MIX
Out
5
IFF In
6
IFF
Out
V
CC
2
7
8
IF In GND2
9
IF Out
10
Quad V
CC
3
11
12
Tx
AM/
Power FM
13
14
Tx
Out
15
+
+
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TA32305FN/FNG Transceiver IC