TA32305FN

TA32305FN/FNG TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA32305FN/TA32305FNG* RF 1chip Receiver and Transmitter for low power wireless The TA32305FN is an RF 1 chip receiver and transmitter IC. Receiver is for AM/FM radio. The IC incorporates an RF amp, 2-level comparator, and local ×8 circuit. This IC’s main use is remote control. Features RF frequency: 240 to 450 MHz (multiplication is used) IF frequency: 80 kHz Operating voltage range: 2.2 to 5.5 V Current dissipation: TX 4.3 mA/ RX 5.6 mA (FM), 5.3 mA (AM) (except current at oscillator circuit) Current dissipation at BS: 0 µA (typ.) Small package: 30-pin SSOP (0.65 mm pitch) SSOP30-P-300-0.65 www.DataSheet4U.com Weight: 0.17 g (typ) Block Diagram SAW 30 29 TX RX DATA DATA 28 RX 26 25 24 23 22 21 20 19 27 18 17 16 RF CHARGE RF RF TX LPF LPF AF RSSI MIX REF GND1 OUT OUT IN DEC IN IN OUT RSSI Comparator ×8 OSC VCC1 IN 1 2 MIX U/L OUT 4 3 IFF IN 5 IFF OUT Detector TX AM/ TX IF Vcc2 IF IN GND2 OUT QUAD Vcc3 Power FM OUT 6 7 8 9 10 11 12 13 14 15 *: TA32305FNG Package is Pb-Free. 1 2003-12-04 TA32305FN/FNG Pin Description (the values of resistor and capacitor in the internal equivalent circuit are typical.) Pin No. Pin Name Function Internal Equivalent Circuit 50 kΩ 10 kΩ 10 kΩ 1 OSC IN Local oscillator input pin. 1 2 pF 15 kΩ 2 VCC1 Local’ power supply pin.  www.DataSheet4U.com 3 U/L U/L switch pin. OPEN : Upper Local L : Lower Local Do not connect Vcc. 10 kΩ ...