tape decks. TEA0677T Datasheet

TEA0677T decks. Datasheet pdf. Equivalent

Part TEA0677T
Description Dual pre-amplifier and equalizer for reverse tape decks
Feature INTEGRATED CIRCUITS DATA SHEET TEA0677T Dual pre-amplifier and equalizer for reverse tape decks Pr.
Manufacture NXP
Datasheet
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INTEGRATED CIRCUITS DATA SHEET TEA0677T Dual pre-amplifier TEA0677T Datasheet
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TEA0677T
INTEGRATED CIRCUITS
DATA SHEET
TEA0677T
Dual pre-amplifier and equalizer for
reverse tape decks
Product specification
File under Integrated Circuits, IC01
August 1993



TEA0677T
Philips Semiconductors
Dual pre-amplifier and equalizer for
reverse tape decks
Product specification
TEA0677T
FEATURES
Head pre-amplifiers
Reverse head switching
Equalization with electronically switched time constants
0 dB = 387.5 mV
Pin compatible to TEA0675 Dolby B, music search IC.
GENERAL DESCRIPTION
The TEA0677T is a monolithic bipolar integrated circuit
intended for applications in car radios. It includes head and
equalization amplifiers with electronically switchable time
constants. Furthermore it includes electronically
switchable inputs for tape drives with reverse heads. The
device is intended to replace the regular TEA0675T in
low-cost car radios using the same PCB. External
components that are necessary for Dolby B and music
search features can be omitted.
The device will operate with power supplies in the range of
7.6 V to 12.0 V, output overload level increasing with
increase in supply voltage. Current drain varies with
supply voltage, so it is advisable to use a regulated power
supply or a supply with a long time constant.
QUICK REFERENCE DATA
SYMBOL
VCC
ICC
(S + N)/N
PARAMETER
supply voltage
supply current
signal-plus-noise to noise ratio
MIN.
7.6
68
TYP.
10
23
74
MAX.
12
26
UNIT
V
mA
dB
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
TEA0677T
PINS
24
Note
1. SOT137-1; 1996 August 27.
PIN POSITION
SO
PACKAGE
MATERIAL
plastic
CODE
SOT137A(1)
August 1993
2





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