TEA1112 Philips Semiconductors, TEA1112 Datasheet
TEA1112
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TEA1112 Summary of contents
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... DATA SHEET TEA1112; TEA1112A Low voltage versatile telephone transmission circuits with dialler interface Product specification Supersedes data of 1996 Feb 16 File under Integrated Circuits, IC03 INTEGRATED CIRCUITS 1997 Mar 26 ...
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... Line powered telephone sets, cordless telephones, fax machines and answering machines. GENERAL DESCRIPTION The TEA1112; TEA1112A are bipolar integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets. They perform electronic switching between speech and dialling. The ICs operate at a line voltage down to 1 ...
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... GAR CURRENT REFERENCE AGC CIRCUIT LOW VOLTAGE CIRCUIT LED DRIVER 10 3 AGC I LED Fig.1 Block diagram. 3 Product specification TEA1112; TEA1112A MUTE or MUTE GAS 4 REG TEA1112 TEA1112A 2 MBE793 SLPE VERSION SOT38-4 SOT38-4 SOT109-1 SOT109-1 ...
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... SLPE LED REG 4 TEA1112 GAS 5 MMUTE 6 DTMF 7 MUTE 8 MBE791 Fig.2 Pin configuration (TEA1112). 1997 Mar 26 PIN TEA1112A 1 positive line terminal 2 slope (DC resistance) adjustment 3 available output current to drive a LED 4 line voltage regulator decoupling 5 sending gain adjustment microphone mute input 6 microphone mute input (active LOW) ...
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... DTMF gains, the LED supply current resistor between characteristic, the gain control characteristics, the sidetone level and the maximum output swing on the line. The internal circuitry of the TEA1112; TEA1112A is supplied from pin V . This the line voltage by means of a resistor (R ...
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... Fig.8. LED supply (pin I ) LED The TEA1112; TEA1112A give an on-hook/off-hook status indication. This is achieved by a current made available to drive an LED connected between pins I low voltage area, which corresponds to low line current conditions, no current is available for this LED. ...
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... When the DTMF amplifier is enabled, dialling tones may be sent on line. These tones can be heard in the earpiece at a low level (confidence tone). The TEA1112; TEA1112A have an asymmetrical DTMF input. The input impedance between DTMF and The voltage gain from pin DTMF to pin ...
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... P Fig.8 Equivalent impedance between LN and V 1997 Mar 26 MBE783 handbook, halfpage ( (V) for mA. line handbook, halfpage R CC 619 VCC 100 F MBE788 . EE 8 Product specification TEA1112; TEA1112A R CCint rec PERIPHERAL V CCO CIRCUIT V EE Fig.7 V supply voltage for peripherals. CC 100 I (mA) I SLPE LED Fig ...
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... E6 or E12 range for Z In practice, Z varies considerably with the line type and line the line length. Therefore, the value chosen for Z handbook, full pagewidth Z line Fig.10 Equivalent circuit of TEA1112; TEA1112A family anti-sidetone bridge. 1997 Mar 26 TEA1112 MUTE MMUTE L H ...
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... TEA1112T; TEA1112AT T IC storage temperature stg T operating ambient temperature amb THERMAL CHARACTERISTICS SYMBOL R thermal resistance from junction to ambient in free air (TEA1112; TEA1112A) th j-a thermal resistance from junction to ambient in free air mounted on epoxy board 40.1 19.1 1.5 mm (TEA1112T; TEA1112AT) 1997 Mar bal ...
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... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface 150 handbook, halfpage I line (mA) 110 150 handbook, halfpage I LN (mA) 130 110 Fig.13 Safe operating area (TEA1112T; TEA1112AT). 1997 Mar 26 MBE782 (1) (4) (3) ( SLPE (V) Fig.12 Safe operating area (TEA1112; TEA1112A). MLC202 (1) (2) (3) ( SLPE (V) 11 Product specifi ...
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... MIC f = 300 to 3400 +75 C amb external resistor connected between GAS and REG mA; THD = 2% line mA; THD = 10% line psophometrically weighted (P53 curve) 12 Product specification TEA1112; TEA1112A ; Z = 600 ; kHz line amb MIN. TYP. 3.1 3.35 1.6 2.45 3.35 3. 4.4 30 1.15 2.9 ...
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... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface SYMBOL PARAMETER Microphone mute (pins MMUTE; TEA1112 and MMUTE; TEA1112A) G gain reduction in microphone MUTE vtxm mode V LOW level input voltage IL V HIGH level input voltage IH I input current MMUTE Receiving amplifier (pins IR, QR and GAR) ...
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... G gain variation with temperature vdtmf(T) referred voltage gain from DTMF to QR vct (confidence tone) Mute function (pins MUTE; TEA1112 and MUTE; TEA1112A) V LOW level input voltage IL V HIGH level input voltage IH I input current MUTE G ...
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... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface APPLICATION INFORMATION andbook, full pagewidth 1997 Mar 26 TEA1112; TEA1112A 15 Product specification ...
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... IEC SOT38-4 1997 Mar scale ( 0.53 1.25 0.36 19.50 0.38 0.85 0.23 18.55 0.021 0.049 0.014 0.77 0.015 0.033 0.009 0.73 REFERENCES JEDEC EIAJ 16 TEA1112; TEA1112A ( 6.48 3.60 8.25 2.54 7.62 6.20 3.05 7.80 0.26 0.14 0.32 0.10 0.30 0.24 0.12 ...
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... 0.49 0.25 10.0 4.0 1.27 0.36 0.19 9.8 3.8 0.019 0.0100 0.39 0.16 0.050 0.014 0.0075 0.38 0.15 REFERENCES JEDEC EIAJ MS-012AC 17 TEA1112; TEA1112A detail 6.2 1.0 0.7 1.05 0.25 0.25 5.8 0.4 0.6 0.244 0.039 0.028 0.041 0.01 ...
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... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 18 Product specification TEA1112; TEA1112A ...
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... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1997 Mar 26 TEA1112; TEA1112A 19 Product specification ...
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... Tel. +46 8 632 2000, Fax. +46 8 632 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2686, Fax. +41 1 481 7730 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2870, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...