TA2030FN

TA2030FN TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2030FN TV / FM System F / E (1.5V USE) The TA2030FN is a TV / FM system front end IC, which is developed for headphone radio in 1.5V use. It is built in FM F / E and TV F / E (japanese VHF band). Features · Built−in FM F / E and TV F / E FM mode: 75~109MHz TV mode: 175~225MHz · · · · · · · Suitable for combination with digital tuning system. Built−in power switch Built−in FM / TV switch Built−in IF amplifier Built−in OSC buffer circuit Improved inter−modulation characteristics by double balanced type mixer circuit. Supply current (VCC = 1.2V, Ta = 25°C) FM mode: ICC = 4.4mA (typ.) TV mode: ICC = 6.3mA (typ.) · Operating supply voltage range (Ta = 25°C) VCC (opr) = 0.95~4V Weight: 0.09g (typ.) 1 2002-10-30 TA2030FN Block Diagram 2 2002-10-30 TA2030FN Terminal Explanation Terminal Voltage: Typical Terminal Voltage at no Signal with Test Circuit. (VCC = 1.2V, Terminal No. 1 Terminal Name Terminal Voltage(V) FM Input of TV RF signal (common-base type) By-pass terminal of TV RF and MIX (radiation is lightened by connected capacitor.) TV RF tuning circuit is connected. ― TV 0.1 Ta = 25°C) Function Internal Circuit TV IN 2 TV BY ― 0.7 15 TV RF 1.2 1.2 3 RF GND ― By-pass terminal of FM RF and MIX (radiation is lightened by connected capacitor.) Input of FM RF signal (common-base type) ― 0 0 4 FM BY 0.7 ― 5 FM IN 0.1 ― 14 FM RF FM RF tuning circuit is connected. 1.2 1.2 Mode...