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U4076B-FL PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 U4076B-FL
기능 Three-Tone Ringer for Telephone Sets
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U4076B-FL 데이터시트, 핀배열, 회로
Three-Tone Ringer for Telephone Sets
U4076B
Description
The three-tone ringing integrated circuit U4076B, in
conjunction with a piezo transducer or loudspeaker
replaces the normal electromechanical telephone bell. It
is operated with the ringing current from the exchange.
There is also a possibility of operating the IC with the dc
supply voltage, being developed for large operating
range. The integrated circuit is overload protected.
Features
D Three-tone ringing sequence with 800 Hz, 1067 Hz
and 1333 Hz
D Sequence frequency adjustable between 2.5 Hz and
25 Hz
D Adjustable volume
D Push-pull output stage
D Piezo transducer or loudspeaker connection
D Common input for frequency and call recognition
D Reduced pulse duration for electromagnetic
transducers
D Clock oscillator with ceramic resonator or LC series
cct possible
D Input protective diode
D On-chip rectifier bridge
D Protection circuit against ringing in a parallel circuit
Benefit
D Suitable for German Post Office Specification,
FTZ 121671 Pfl. 3, edition dated 24.03.82
2.2 kW 7
a 0.8 mF
~~
b
(8)
5
(6)
22 mF
4 (5)
6 (7)
600 kW 43 kW
4.7 nF
10 (11)
8 (9) 9 (10)
(15) 13
Ground: output signal
Open: output signal
Supply
Tone sequence
oscillator
Level
monitoring
Divider
32:1
Reset
a
Tone signal
generator
12
(13)
11
(12) 100 kW
log
RL 14
(16)
1
(1)
Frequency
Three
state
Frequency
monitoring
96 ms
127 ms
Reset
b
Divider
128:1
Divider
2:1
Divider
32:1
Divider
14:1
Figure 1. Block diagram and application circuit
2 (2)
Clock signal
generator
3 (3)
93 7792 e
455 kHz
Case: DIP14 or SO16-L (Pin connections for SO 16-L case in bracket)
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96
Preliminary Information
1 (6)




U4076B-FL pdf, 반도체, 판매, 대치품
U4076B
Electrical Characteristics
VS = 10 V, fclock = 455 kHz,Tamb = 25 to 60°C. Reference point Pin 4 (5), Pin 13 (15) ground, unless otherwise specified.
Parameters
Supply current (no load)
outputs open V6(7) = 10 V
Tamb = +25°C
Frequency range of the
ringing input current
a) Pin 1 - open
b) Pin 1 - grounded
c) Pin 1 - connected to
Pin 6 (7)
AC-operation
Switch-on threshold
Switch-off threshold
DC-operation
Switch-on threshold
Switch-off threshold
Output on resistances
at 20 mA
Output signal frequency
Build-up time of clock
oscillator
Internal voltage limitation
IZ=1 mA
Repetition rate oscillator:
Low state
High state
Allowable resistor
Test Conditions / Pins Symbol
Pins 5 and 7 (6)
Pins 5 and 7 (6, 8)
IS
fring
Pin 6 (7)
Pin 6 (7)
Pin 6 (7)
Pin 11 (12)
Pin 12 (13)
Pins 11 and 12 (12,13)
V6–4 (7–5)
Pin 6 (7)
Pin 8 (9)
Pin 8 (9)
Pins 8-10 (9-11)
Ron
Ron
f0
f1
f2
f3
tB
25
V8(9)
V8(9)
R
Min. Typ. Max.
0.9 1.15 1.3
23 to 54
12 to 54
DC
operation
6.5 8.5
3.5 5.5
2.75 4.75
2.0 4.0
400
400
448/455
800/812
1067/1083
1333/1354
10
27 30
0.5
0.043
0.6
2.0
0.7
2
Unit
mA
Hz
V
V
V
W
W
kHz
Hz
Hz
Hz
ms
V
V
V
M
Ordering Information
Extended Type Number
U4076B-FL
U4076B
Package
SO16
DIP14
Remarks
4 (6) TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 15-May-96

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부품번호상세설명 및 기능제조사
U4076B-FL

Three-Tone Ringer for Telephone Sets

TEMIC Semiconductors
TEMIC Semiconductors

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