TEA1065 View Datasheet(PDF) - Philips Electronics
Part Name
Description
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TEA1065 Datasheet PDF : 28 Pages
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Philips Semiconductors
Versatile telephone transmission circuit with
dialler interface
Product specification
TEA1065
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
• Large gain setting range on microphone and earpiece
amplifiers
• Line loss compensation 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.
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
TEA1065
TEA1065T
PINS
24
24
Notes
1. SOT101-1; 1998 Jun 18.
2. SOT137-1; 1998 Jun 18.
PACKAGE
PIN POSITION
MATERIAL
DIL
SO24
plastic
plastic
CODE
SOT101L
SOT137A
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
VLN
line voltage
Iline = 15 mA
Iline
normal operation line current range
ICC
internal supply consumption
power-down input LOW
power-down input HIGH
VCC
supply voltage for peripherals
Iline = 15 mA;
MUTE input
HIGH
GV
voltage gain range
microphone amplifier
IP = 1.2 mA
IP = 1.55 mA
earpiece amplifier
∆GV
line loss compensation
gain control range
Tamb
operating ambient temperature range
MIN.
4.25
10
−
−
2.7
2.5
30
20
−5.5
−25
March 1994
2
TYP.
4.45
−
1.14
73
−
−
−
−
−5.9
−
MAX.
4.65
150
1.5
105
−
−
46
45
−6.3
+75
UNIT
V
mA
mA
µA
V
V
dB
dB
dB
°C
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