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TA8182FN 2002-10-30 1 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 improved inter ? modulation characteristics by double balanced type mixer circuit. supply current (v cc = 1.2v, ta = 25c) fm mode: i cc = 4.6ma (typ.) tv mode: i cc = 5.5ma (typ.) operating supply voltage range (ta = 25c) v cc (opr) = 0.95~4v weight: 0.09g (typ.)
TA8182FN 2002-10-30 2 block diagram terminal explanation terminal voltage: typ. terminal voltage at no signal with test circuit. (v cc = 1.2v, ta = 25c) terminal voltage (v) termi nal no. terminal name function internal circuit fm tv 1 tv in input of tv rf signal. (common base type) 0 0.1 2 tv by by pass terminal of tv rf and mix. (radiation is lightened by connected capacitor.) ? 0.7 15 tv rf tv rf tuning circuit is connected. 1.2 1.2 3 rf gnd ? ? 0 0 4 fm by by pass terminal of fm rf and mix. (radiation is lightened by connected capacitor.) 0.7 ? 5 fm in input of fm rf signal. (common base type) 0.1 ? 14 fm rf fm rf tuning circuit is connected. 1.2 1.2
TA8182FN 2002-10-30 3 terminal voltage (v) termi nal no. terminal name function internal circuit fm tv 6 mode sw mode switch. (v cc : tv mode open / gnd: fm mode) 0 1.2 7 pw sw power switch. (v cc : power on open / gnd: power off) 1.2 1.2 8 if out output of tv / fm if signal. output impedance : 330 ? (typ.) 0.5 0.5 9 mix out mix coil is connected. 1.2 1.2 10 nc this terminal should be connected with v cc line or open. ? ? ? 11 fm osc fm osc tank circuit is connected. (colpitts type oscillator) 1.2 1.2 12 tv osc tv osc tank circuit is connected. (colpitts type oscillator) 1.2 1.2 13 v cc v cc ? 1.2 1.2 16 gnd gnd (except rf part) ? 0 0
TA8182FN 2002-10-30 4 application note 1. pw sw it is necessary to connect an external pull down resistor with the terminal pw sw (pin(7)), in case that this ic is turned on due to external noise etc. 2. mode sw it is necessary to connect an external pull down resistor with the terminal mode sw (pin(6)), in case that this ic doesn?t operate normally due to external noise etc. 3. rf gnd this ic has two gnd terminals (pin(3): rf gnd, pin(16): gnd). external parts shown in below should be connected with rf gnd (pin(3)), and other parts should be connected with gnd (pin(16)). by pass capacitor at pin(14) (fm rf) and pin(15) (tv rf) by pass capacitor at pin(4) (fm by) and pin(2) (tv by) the pattern diagram of capacitor connected with pin(2) and pin(4) should be shortly, because rf circuit and mix circuit operate on the voltage of pin(2) or pin(4). maximum ratings (ta = 25c) characteristic symbol rating unit supply voltage v cc 4.5 v power dissipation (note) p d 400 mw operating temperature t opr 25~75 storage temperature t stg 55~150 c (note) derated above ta = 25c in the proportion of 3.2mw / c.
TA8182FN 2002-10-30 5 electrical characteristics unless otherwise specified, v cc = 1.2v, ta = 25c, f fm = 92mhz, f tv = 200mhz ? f = 22.5khz, fm = 1khz, sw2: b characteristic symbol test cir cuit sw 1 test condition min. typ. max. unit i cc1 ic off, sw 2 : a ? 0.1 5 a i cc2 a fm mode ? 4.6 6.0 supply current i cc3 1 b v in < 20dbv emf tv mode ? 5.5 7.0 ma conversion gain g c1 2 vin = 65dbv emf 29 33 ? db local oscillator voltage v osc1 ? 47 ? mv rms fm local oscillator stop voltage v stp1 3 a f osc = 65mhz ? 0.85 0.95 v conversion gain g c2 2 v in 65dbv emf 21 25 ? db local oscillator voltage v osc2 ? 27 ? mv rms tv local oscillator stop voltage v stp2 3 b f osc = 165mhz ? 0.88 0.95 v power on current i 7 a v cc = 0.95v, v 2 0.2v sw 2 : d v 4 0.4v 5 ? ? a power off voltage v 7 a v cc = 0.95v, v 2 0.2v sw 2 : c v 4 0.2v 0 ? 0.3 v tv mode on current i 6 d v cc = 0.95v, v 2 0.4v v 4 0.2v 5 ? ? a fm mode on voltage v 6 1 c v cc = 0.95v, v 2 0.2v v 4 0.4v 0 ? 0.3 v
TA8182FN 2002-10-30 6 test circuit 1 test circuit 2 g c (db) = 20 ? ogv if (v rms ) (v in (dbv emf) 6db) tv / fm separator: gtvs03 (soshin electric co.,ltd.)
TA8182FN 2002-10-30 7 test circuit 3 coil data (test circuit) turns coil no. test freq. c 0 (pf) q 0 1 31 4 wire (mm ) reference l1 tv rf 100mhz ? 55 ? 1 1 / 2 0.5uew (s) 0258 236 l2 fm rf 100mhz ? 90 ? 3 1 / 2 0.5uew (s) 0258 238 l3 tv osc 100mhz ? 55 1 1 / 4 ? 0.5uew (s) 0258 250 l4 fm osc 100mhz ? 90 ? 3 1 / 2 0.5uew (s) 0258 238 t fm ift 10.7mhz 82 45 18 ? 0.09uew (s) 4162 083a (s): sumida electric co., ltd.
TA8182FN 2002-10-30 8
TA8182FN 2002-10-30 9
TA8182FN 2002-10-30 10 package dimensions weight: 0.09g (typ.)
TA8182FN 2002-10-30 11 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. the products described in this document are subject to the foreign exchange and foreign trade laws. the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. the information contained herein is subject to change without notice. 000707eb a restrictions on product use

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