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參數(shù)資料
| 型號(hào)： | TEA1065T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Versatile telephone transmission circuit with dialler interface |
| 中文描述： | TELEPHONE SPEECH CKT, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數(shù)： | 2/28頁 |
| 文件大?。?/td> | 154K |
| 代理商： | TEA1065T |
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March 1994
2
Philips Semiconductors
Product specification
Versatile telephone transmission circuit with
dialler interface
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
Notes
1.
2.
SOT101-1; 1998 Jun 18.
SOT137-1; 1998 Jun 18.
QUICK REFERENCE DATA
EXTENDED TYPE
NUMBER
PACKAGE
PINS
PIN POSITION
MATERIAL
CODE
TEA1065
TEA1065T
24
24
DIL
SO24
plastic
plastic
SOT101L
SOT137A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
LN
I
line
I
CC
line voltage
normal operation line current range
internal supply consumption
power-down input LOW
power-down input HIGH
supply voltage for peripherals
I
line
= 15 mA
4.25
10
4.45
4.65
150
V
mA
1.14
73
1.5
105
mA
μ
A
V
CC
I
line
= 15 mA;
MUTE input
HIGH
I
P
= 1.2 mA
I
P
= 1.55 mA
2.7
2.5
V
V
G
V
voltage gain range
microphone amplifier
earpiece amplifier
line loss compensation
gain control range
operating ambient temperature range
30
20
46
45
dB
dB
G
V
5.5
25
5.9
6.3
+
75
dB
°
C
T
amb
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