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KKA1062 Datasheet

  • KKA1062

  • TELEPHONE SPEECH NETWORK WITH DIALER INT`ERFACE

  • 9頁(yè)

  • KODENSHI

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TECHNICAL DATA
TELEPHONE SPEECH NETWORK
WITH DIALER INT`ERFACE
FEATURES
- Low DC line voltage; operates down to 1.6V (excluding
polarity guard)
- Voltage regulator with adjustable static resistance
- Provides a supply for external circuits
- Symmetrical high-impedance inputs (64 k鈩? for
dynamic, magnetic or piezo-electric microphones
- Asymmetrical high-impedance input (32 k鈩? for electret
microphones
- DTMF signal input with confidence tone
-
Mute
KKA1062/1062A
PIN CONNECTION
LN
1
16
15
SLPE
AGC
REG
GAS1 2
GAS2
OR
GAR
MIC-
MIC+
STAB
3
4
5
6
7
8
14
input for pulse or DTMF dialing
-
KKA1062:
active HIGH (MUTE)
-
KKA1062A:
active LOW (MUTE)
KKA1062
or
BT1062A
KKA1062A
13
12
V
CC
MUTE
DTMF
IR
V
EE
11
10
9
- Receiving amplifier for dynamic, magnetic or
piezo-electric earpieces
- Large gain setting range on microphone and earpiece
amplifiers
- Line loss compensation (line current dependent) for
microphone and earpiece amplifiers
- Gain control curve adaptable to exchange supply
- DC line voltage adjustment facility
DESCRIPTION
The
KKA1062
and
KKA1062A
are integrated circuits that perform all speech and line interface functions required in fully
electronic telephone sets. They perform electronic switching between dialing and speech. The ICs operates at line voltage down
to 1.6 V DC (with reduced performance) to facilitate the use of more telephone sets connected in parallel.
All statements and values refer to all versions unless otherwise specified. The
KKA1062
(KKA1062A)
is packaged in a standard
16-pin plastic DIP and special plastic DIP with internal heatsink is also available.
QUICK REFERENCE DATA
Characteristic
Line Voltage
Operating Line Current
Normal Operation
with Reduced Performance
Internal Supply Current
Supply Voltage for Peripherals
I
CC
V
CC
V
CC
= 2.8V
I
line
= 15mA
I
p
= 1.2mA
I
p
= 0mA
2.2
2.2
Symbol
V
LN
I
line
11
1
0.9
2.7
3.4
Test Condition
I
line
= 15mA
Min
3.55
Typ
4.0
2.0
140
11
1.35
Max
4.25
Unit
V
V
dc
mA
mA
mA
V
Voltage Gain
microphone amplifier
receiving amplifier
Line loss compensation
Gain Control
Exchange Supply Voltage
Exchange Feeding bridge Resistance
G
V
44
20
鈭咷
V
V
exch
R
exch
36
0.4
52
31
dB
dB
5.8
60
1
dB
V
k鈩?/div>

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