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TEA0675, TEA0675T, TEA0675T(SMD1K/RL)D/C97

Table of contents:
Info of TEA0675
Info of TEA0675T
Info of TEA0675T(SMD1K/RL)D/C97

TEA0675, TEA0675T, TEA0675T(SMD1K/RL)D/C97 Selling Leads, Datasheet

MFG:PHI Package Cooled:SOP D/C:03+

TEA0675, TEA0675T, TEA0675T(SMD1K/RL)D/C97 Picture

TEA0675, TEA0675T, TEA0675T(SMD1K/RL)D/C97 Datasheet download

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Part Number: TEA0675

MFG: PHI

Package Cooled: SOP

D/C: 03+

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TEA0675 General Description

The TEA0675 is a bipolar integrated circuit that provides two channels of Dolby B noise reduction for playback applications in car radios. It includes head and equalization amplifiers with electronically switchable time constants. Furthermore it includes electronically switchable inputs for tape drivers with reverse heads.

This device also detects pauses of music in the Automatic Music Search (AMS) scan mode, for applications with an intelligent controlled tape driver, or AMS-latch mode, for applications with a simple controlled tape driver. For both modes, the delay time can be fixed externally by a resistor. The device operates with power supplies in the range of 7.6 to 12 V, output overload level increasing with increase in supply voltage.

Current drain varies with the following variables: supply voltage noise reduction on/off AMS on/off. Because of this current drain variation it is advisable to use a regulated power supply or a supply with a long time constant.

TEA0675 Maximum Ratings

SYMBOL	PARAMETER	CONDITIONS	MIN.	MAX.	UNIT
V_CC	supply voltage		0	14	V
V_i	input voltage (except pin 11)		-0.3	+V_CC	V
t_short	pin 11 (Vref) to V_CC short-circuiting duration		-	5	s
T_stg	storage temperature		-55	+150	°C
T_amb	operating ambient temperature		-40	+85	°C
V_es	electrostatic handling voltage for all pins	note 1	-2	+2	kV
V_es	electrostatic handling voltage for all pins	note 2	-500	+500	V

Notes
1. Human body model (1.5 k, 100 pF).
2. Machine model (0 , 200 pF).

TEA0675 Features

· Dual noise reduction (NR) channels
· Head pre-amplifiers
· Reverse head switching
· Automatic Music Search (AMS)
· Music scan
· Equalization with electronically switched time constants
· Dolby reference level = 387.5 mV
· 24 pins
· Improved EMC behaviour.

TEA0675 Connection Diagram

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