Datasheet.kr   

U4074B PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 U4074B
기능 Tone Ringer Interface
제조업체 TEMIC Semiconductors
로고 TEMIC Semiconductors 로고 



전체 6 페이지

		

No Preview Available !

U4074B 데이터시트, 핀배열, 회로
Tone Ringer Interface
U4074B
Description
The U4074B is a monolithic integrated circuit that
contains all integral components of a ringing circuit for
telephone sets used in conjunction with a microcomputer.
The combination of a microcomputer and the U4074B
permits flexible programming of the ringing sequence
( melody), tone and volume control.
Ringing frequency detection takes place in the
microcomputer. The U4074B is responsible for the
interface to the line, driver stages for the piezoelectric
sound transducer, volume adjustment, amplitude
detection, voltage supply for the microcomputer and
other auxiliary functions.
Features
D Suitable for specifications FTZ 1TR2 and ETR 2
D Rectifier bridge
D Z-diode
D Amplitude detection
vD Supply voltage for microcomputer 3.5 @ 1.5 mA
D DC operation possible
D Bridge push-pull output stage
D CMOS-compatible microcomputer interface
D 2-bit log. volume adjustment
D High-voltage bipolar technology, 30 V
Benefits
mD C controlled melody and volume
D Low number of external components
22mF
VB 2(3)
47mF
130 kW
TH 3(4) VDD 10 (12) 2f 4(5)
Ȁma 0.8 F (1)1 a
2.2 kW
Ringing signal
b (16)14
bȀ
Control
VRef
Decoder and
DA converter
On/Off
2f
+VB
12(14)
O2
+VB
PIEZO
O1 Transducer
11(13)
93 7793 e
(15)13 GND 5(6)
6(7) (9)7 Mel
VDC 8(10)
9(11)
A1 A0
Volume
Figure 1. Block diagram and application circuit ( pin connections for SO16 in brackets )
TELEFUNKEN Semiconductors
Rev. A1, 06-May-96
Preliminary Information
1 (6)




U4074B pdf, 반도체, 판매, 대치품
U4074B
Absolute Maximum Ratings
Reference point, Pin 13 ( 15 ), unless otherwise specified, Tamb = 25°C
Parameters
Supply current
Pin 1, 14 ( 1, 16 )
Output current
Pin 11, 12 ( 13,14)
Junction Temperature
Ambient temperature
Storage temperature
Power dissipation
Tamb = 60°C
DIP14
SO16
Symbol
Is
I0
Tj
Tamb
Tstg
Ptot
Ptot
Value
50
50
125
–25 to + 60
–40 to + 125
860
400
Unit
mA
mA
°C
°C
°C
mW
mW
Thermal Resistances
Junction ambient
Parameters
DIP14
SO16
Symbol
RthJA
Value
75
160
Unit
K/W
K/W
Electrical Characteristics
Tamb = –10 to 60°C, reference point is Pin 13 ( 15 ), unless otherwise specified
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
Current consumption
Pin 1, 14 (1, 16)
O1 = O2 = open
A1 = A0 = 0, VB = 15 V
IDD = –300 mA,
Pin 2 (3) open
I
1.1 1.4 mA
Input voltage
Audio frequency
impedance
Output on resistance
Pin 1, 14 (1, 16)
on threshold
off threshold
f = 300 to 3400 Hz,
"Va,b = 1.5 Vrms
I(O1, O2) = 20 mA
V
9.5 10.5 11.5
V
4.5 5.5 6.5
V
R 200
kW
WRon 400
Internal voltage limitation IZ = 1 mA (Pin 2)
VZ 25 27 30 V
Supply voltage for
microcomputer
Leakage current
Diode load current
0.5 mA > IDD < 1.5 mA
3.15 3.5 3.85
V
vȀ ȀVa , Vb , VB 3.5 V
vVA1, VA0, VMelody 6 V
v v5.5 V VDD 6 V
v v0 V VDD 5.5 V
I2f
IA0
IA1
I
IDD
10 mA
100 mA
10
80 mA
4 (6) TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 06-May-96

4페이지













구       성총 6 페이지
다운로드[ U4074B.PDF 데이터시트 ]
구매 문의
일반 IC 문의 : 샘플 및 소량 구매
-----------------------------------------------------------------------

전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

휴대전화 : 010-3582-2743


상호 : 아이지 인터내셔날

전화번호 : 051-319-2877, [ 홈페이지 ]



링크공유

링크 :

관련 데이터시트

부품번호상세설명 및 기능제조사
U4074B

Tone Ringer Interface

TEMIC Semiconductors
TEMIC Semiconductors

DataSheet.kr    |   2019   |  연락처   |  링크모음   |   검색  |   사이트맵