TEA1065T Datasheet | NXP Semiconductors

FEATURES - Current and voltage regulator mode with adjustable static resistances - Provides supply for external circuitry - Symmetrical high-impedance inputs for piezoelectric microphone - Asymmetrical high-impedance input for electret microphone - DTMF signal input with confidence tone - Mute input for pulse or DTMF dialling - Power-down input for pulse dial or register recall - Digital pulse input to drive an external switch transistor - Receiving amplifier for magnetic, dynamic or piezoelectric earpieces ORDERING INFORMATION EXTENDED TYPE NUMBER TEA1065 TEA1065T Notes 1. SOT101-1; 1998 Jun 18. 2. SOT137-1; 1998 Jun 18. QUICK REFERENCE DATA SYMBOL VLN Iline ICC line voltage normal operation line current range internal supply consumption power-down input LOW power-down input HIGH VCC supply voltage for peripherals Iline = 15 m A; MUTE input HIGH IP = 1.2 m A IP = 1.55 m A GV voltage gain range microphone amplifier earpiece amplifier ∆GV Tamb March 1994 line loss pensation gain control range operating ambient temperature range 2 - 5.5 - 25 - 5.9 - - 6.3 +75 30 20 - - 46 45 2.7 2.5 - - - - - - 1.14 73 1.5 105 PARAMETER CONDITIONS Iline = 15 m A 10 MIN. 4.25 - TYP. 4.45 24 24 PACKAGE PINS DIL SO24 PIN POSITION MATERIAL plastic plastic TEA1065 - Large gain setting range on microphone and earpiece amplifiers - Line loss pensation facility, line current dependent (on microphone and earpiece amplifiers) - Adjustable gain control - DC line voltage adjustment facility GENERAL DESCRIPTION The TEA1065 is a bipolar integrated circuit which performs all speech and line interface functions that are required in fully electronic telephone sets with adjustable DC mask. The circuit performs electronic switching between dialling and speech internally. CODE SOT101L SOT137A MAX. 4.65 150 V UNIT m A m A µA V V d B d B d B °C Philips Semiconductors Product specification Versatile telephone transmission circuit with dialler interface TEA1065 handbook, full pagewidth 17 IR + - TEA1065 - +...