TA8182FN

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8182FN TV / FM System F / E (1.5V USE) The TA8182FN 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 Weight: 0.09g (typ.) · Improved inter−modulation characteristics by double balanced type mixer circuit. · Supply current (VCC = 1.2V, Ta = 25°C) FM mode: ICC = 4.6mA (typ.) TV mode: ICC = 5.5mA (typ.) · Operating supply voltage range (Ta = 25°C) VCC (opr) = 0.95~4V TA8182FN 1 2002-10-30 Block Diagram TA8182FN Terminal Explanation Terminal Voltage: Typ. Terminal Voltage at no Signal with Test Circuit. (VCC = 1.2V, Ta = 25°C) Terminal No. Terminal Name Function Internal Circuit 1 TV IN Input of TV RF signal. (common-base type) By-pass terminal of TV RF and 2 TV BY MIX. (radiation is lightened by connected capacitor.) 15 TV RF TV RF tuning circuit is connected. 3 RF GND — By-pass terminal of FM RF 4 FM BY and MIX. (radiation is lightened by connected capacitor.) 5 FM IN Input of FM RF signal. (common-base type) — 14 FM RF FM RF tuning circuit is connected. Terminal Voltage (V) FM TV 0 0.1 — 0.7 1.2 1.2 00 0.7 — 0.1 — 1.2 1.2 2 2002-10-30 Terminal No. Terminal Name Functi...