TEA1112T Philips Semiconductors, TEA1112T Datasheet
TEA1112T
Available stocks
Related parts for TEA1112T
TEA1112T Summary of contents
Page 1
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 ...
Page 2
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface FEATURES Low DC line voltage; operates down to 1.6 V (excluding polarity guard) Voltage regulator with adjustable DC voltage Provides a supply for external circuits Symmetrical high impedance inputs ( for dynamic, magnetic or piezo-electric microphones Asymmetrical high impedance input ( for electret ...
Page 3
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface ORDERING INFORMATION TYPE NUMBER NAME TEA1112 DIP16 TEA1112A DIP16 TEA1112T SO16 TEA1112AT SO16 BLOCK DIAGRAM handbook, full pagewidth ATT. DTMF 12 MIC MIC 11 MMUTE 6 MICRO or MUTE MMUTE 1997 Mar 26 PACKAGE DESCRIPTION plastic dual in-line package ...
Page 4
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface PINNING SYMBOL TEA1112 LN 1 SLPE LED REG 4 GAS 5 MMUTE 6 MMUTE DTMF 7 MUTE 8 MUTE IR 9 AGC 10 MIC 11 MIC GAR handbook, halfpage LN 1 SLPE LED REG 4 TEA1112 GAS 5 MMUTE 6 DTMF 7 MUTE 8 MBE791 Fig ...
Page 5
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface FUNCTIONAL DESCRIPTION All data given in this chapter are typical values, except when otherwise specified. Supply (pins LN, SLPE, V and REG) CC The supply for the TEA1112; TEA1112A and their peripherals is obtained from the telephone line. ...
Page 6
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface 6.0 handbook, halfpage V ref (V) 5.0 4.0 (1) (2) 3 (1) Influence ref (2) V without influence ref VA Fig.5 Reference voltage adjustment by R The DC line current flowing into the set is determined by the exchange supply voltage (V ...
Page 7
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface Receiving amplifier (pins IR, GAR and QR) The receiving amplifier has one input (IR) and one output (QR). The input impedance between pin IR and pin The voltage gain from pin IR to pin QR is set at 31 ...
Page 8
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface 2.5 handbook, halfpage I P (mA) 2 1.5 1 (2) 0 (1) With R resistor. VA (2) Without R resistor. VA Fig.6 Typical current I available from V p peripheral circuits handbook, halfpage ref REG SLPE R SLPE C REG 4 REG SLPE ...
Page 9
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface MUTE and MMUTE levels for different modes Table 1 Required MUTE and MMUTE levels to enable the different possible modes IC Mode Speech DTMF dialling Microphone mute SIDETONE SUPPRESSION The TEA1112; TEA1112A anti-sidetone network ...
Page 10
... 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 Z line SLPE R ast1 SLPE CONDITIONS ...
Page 11
... 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 ...
Page 12
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface CHARACTERISTICS mA AGC pin connected to V line EE SLPE unless otherwise specified. SYMBOL PARAMETER Supply (pins SLPE and REG stabilized voltage between LN and ref SLPE V DC line voltage line voltage with an external ...
Page 13
... 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) ...
Page 14
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface SYMBOL PARAMETER I lowest line current for minimum gain stop DTMF amplifier (pin DTMF) Z input impedance i G voltage gain from DTMF vdtmf DTMF dialling or microphone MUTE mode G gain variation with frequency ...
Page 15
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface APPLICATION INFORMATION andbook, full pagewidth 1997 Mar 26 TEA1112; TEA1112A 15 Product specification ...
Page 16
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface PACKAGE OUTLINES DIP16: plastic dual in-line package; 16 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. 1.73 mm 4.2 0.51 3.2 1.30 ...
Page 17
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface SO16: plastic small outline package; 16 leads; body width 3 pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. 0.25 1.45 mm 1.75 0.25 0.10 1.25 0.010 0.057 inches ...
Page 18
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities ...
Page 19
... Philips Semiconductors Low voltage versatile telephone transmission circuits with dialler interface DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. ...
Page 20
... 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 ...