TEA1068 Philips Semiconductors, TEA1068 Datasheet
TEA1068
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TEA1068 Summary of contents
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... DATA SHEET TEA1068 Versatile telephone transmission circuit with dialler interface Product specification Supersedes data of June 1990 File under Integrated Circuits, IC03 INTEGRATED CIRCUITS 1996 Apr 23 ...
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... Gain control adaptable to exchange supply DC line voltage adjustment facility. GENERAL DESCRIPTION The TEA1068 is a bipolar integrated circuit performing all speech and line interface functions required in fully electronic telephone sets. It performs electronic switching between dialling and speech. ...
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... IR 8 (9) MIC 7 (7) MIC 13 (15) DTMF 14 (16) MUTE 12 (14) SUPPLY AND PD REFERENCE V EE The figures in parentheses refer to the TEA1068T. 1996 Apr 23 TEA1068 TEA1068T dB AGC CIRCUIT CURRENT REFERENCE 10 (11) 16 (18) 17 (19) 9 (10) REG AGC STAB Fig.1 Block diagram. ...
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... QR 4 TEA1068 QR 5 GAR 6 MIC 7 8 MIC STAB 9 MBH132 Fig.2 Pin configuration TEA1068. 1996 Apr 23 PIN TEA1068T 1 positive line terminal 2 gain adjustment transmitting amplifier 3 gain adjustment transmitting amplifier 4 inverting output receiving amplifier 5 non-inverting output receiving amplifier 6 gain adjustment receiving amplifier ...
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... Versatile telephone transmission circuit with dialler interface FUNCTIONAL DESCRIPTION Supplies LN, SLPE, REG and STAB CC Power for the TEA1068 and its peripheral circuits is usually obtained from the telephone line. The TEA1068 develops its own supply at V and regulates its voltage drop. The CC supply voltage V ...
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... Side-tone suppression Suppression of the transmitted signal in the earpiece is obtained by the anti-side-tone network consisting of R1//Z , R2, R3 and Z line compensation is obtained when the following conditions are fulfilled bal bal C4. 6 Product specification TEA1068 CC (see Fig.14). Maximum bal R1 R3 R8//Z + bal line line ...
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... Both bridge types can be used with either resistive or complex set impedances bal SLPE 7 Product specification TEA1068 , thus giving an optimum setting for short or bal = 210 + (1265 /140 nF), representing a line (176 /km; 38 nF/km). When k = 0.64, = 130 + (820 //220 nF). bal MSA500 ) at which the ...
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... Apr bal SLPE CONDITIONS R10 = note note 2 and on the voltage between LN and SLPE. See Figs 7 and 8 to amb = 75 C and a maximum junction temperature of amb 8 Product specification TEA1068 R t MSA501 MIN. MAX. 12 13.2 28 Fig.15) 140 769 555 40 +125 25 +75 ...
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... MBH133 handbook, halfpage (mA) (1) (2) (3) ( SLPE (V) (1) T (2) T ( Product specification VALUE 150 I LN 130 110 888 mW. amb tot = 777 mW. amb tot = 666 mW. amb tot = 555 mW. amb tot Fig.8 Safe operating area TEA1068T. TEA1068 UNIT 65 K/W 90 K/W MBH125 (1) (2) (3) ( SLPE (V) ...
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... MIC+ and MIC single-ended MIC+ or MIC mA line with respect to 800 mA; line with respect without mA line with respect to 800 mA; line with respect Product specification TEA1068 MIN. TYP. MAX. UNIT 3.95 4.25 4.55 V 4.2 4.45 4.7 V 5.4 6.1 6 mV/K 3 ...
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... mA; line mA; THD = 2 100 k single-ended 150 L single-ended 450 L differential 3400 Hz 100 ; series mA 100 k ; line IR open-circuit psophometrically weighted (P53 curve) single-ended 300 L differential 600 L 11 Product specification TEA1068 MIN. TYP. MAX. UNIT 1.9 2 dBmp 0.5 0 0.2 dB 0.3 0. ...
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... R6 = 110 k between AGC and V EE between and line mA 110 k line between AGC and line I line SLPE 0 TEA1068 DC 0 REG STAB SLPE I SLPE Fig.9 Supply arrangement. 12 Product specification TEA1068 MIN. TYP. MAX 5.5 5.9 6 1.0 1.5 2 peripheral C1 circuits MBH134 UNIT V ...
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... May be connected to decrease the terminating impedance. 1996 Apr (1) (mA) (2) 2 ( asymmetrical. available from V for peripheral circuitry with MIC MIC b. Electret microphone. Fig.11 Alternative microphone arrangements. 13 Product specification MBH124 ( higher value by means of resistor Piezoelectric microphone. TEA1068 connected VA MIC MIC MBH135 ...
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... Fig.13 Variation of gain with line current, with parameter. 1996 Apr Dynamic earpiece with c. Magnetic earpiece more than 450 with more than 450 impedance. Fig.12 Alternative receiver arrangements. 48.7 k 78.7 k 110 k 140 Product specification ( Piezoelectric earpiece. impedance. MBH137 R6 100 120 140 I line (mA) TEA1068 (2) MBH136 ...
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... STAB SLPE 4.7 3 For measuring the gain from MIC+ and MIC , the MUTE input should be LOW or open, for measuring Product specification ; 800 R exch exch X 68 93.1 120 I line 100 600 C4 R4 100 pF 100 140 100 pF MBH138 TEA1068 = 1000 X 60.4 82 102 ...
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... Fig.15 Test circuit for defining voltage gain of the receiving amplifier. 1996 Apr 23 R1 620 MIC MIC TEA1068 GAR DTMF GAS1 MUTE PD GAS2 V EE REG AGC STAB SLPE 4.7 3 Product specification I line 100 600 100 pF 100 100 pF MBH139 TEA1068 10 to 140 mA ...
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... Z bal Typical application of the TEA1068, shown here with a piezoelectric earpiece and DTMF dialling. The bridge to the left and R10 limit the current into the circuit and the voltage across the circuit during line transients. Pulse dialling or register recall require a different protection arrangement. ...
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... The dashed lines show an optional flash (register recall by timed loop break). 1996 Apr DTMF TEA1068 MUTE BSN254A Fig.17 DTMF set with a CMOS DTMF dialling circuit. 18 Product specification TEA1068 V DD TONE PCD3310 M1 DP/FLO V SS MBA279 - 1 ...
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... REFERENCES JEDEC EIAJ ( 6.48 3.9 8.25 2.54 7.62 6.20 3.4 7.80 0.26 0.15 0.32 0.10 0.30 0.24 0.13 0.31 EUROPEAN PROJECTION Product specification TEA1068 SOT102-1 ( max. 9.5 0.254 0.85 8.3 0.37 0.01 0.033 0.33 ISSUE DATE 93-10-14 95-01-23 ...
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... REFERENCES JEDEC EIAJ MS-013AC detail 1.1 1.1 0.25 0.25 1.4 0.4 1.0 0.043 0.043 0.055 0.01 0.01 0.016 0.039 EUROPEAN PROJECTION Product specification TEA1068 SOT163 ( 0.9 0.1 0 0.035 0.004 0.016 ISSUE DATE 95-01-24 97-05-22 ...
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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. 21 Product specification TEA1068 ...
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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. 1996 Apr 23 22 Product specification TEA1068 ...
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... Philips Semiconductors Versatile telephone transmission circuit with dialler interface 1996 Apr 23 NOTES 23 Product specification TEA1068 ...
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... Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD, Tel. (381) 11 825 344, Fax. (359) 211 635 777 Internet: http://www.semiconductors.philips.com/ps/ For all other countries apply to: Philips Semiconductors, Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31-40-2724825 SCDS48 © ...