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PDF ( 数据手册 , 数据表 ) IL2533A

零件编号 IL2533A
描述 MULTISTANDARD CMOS IC
制造商 IK Semiconductor
LOGO IK Semiconductor LOGO 


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IL2533A 数据手册, 描述, 功能
TECHNICAL DATA
MULTISTANDARD CMOS IC OF SINGLE CHIP PHONE
WITH DOUBLE SOFT LIMITATION
IL2533A
Description
IL2533AN, IL2533AD is CMOS IC, supporting all functions, necessary for design of electronic
telephone with high characteristics. Standard application circuit is shown at figure 2.
Device includes LD/MF constant automatic dialer, melodies generation, ring frequency
identification and high quality circuit for line/speech.
RAM at chip, intended for redialing of 31-digit number and memory elements, containing upto
21 symbols/data. Floating marker method enables to use LNR function under control of different
РАВХ systems. Device contains volume control of hearing aid. Volume is controlled by VOL
button (5.4dB) or "/+" button (plus 8.1/minus 5.4dB in 5 levels).
Main features
Line/speech circuit. LD/MF constant automatic dialer
and tone ring at one 28-pin CMOS chip.
Operational range 13 to 100 mА (decreasing upto 5 mА
causes productivity deterioration).
Soft limitation for elimination of drastic distortion.
Controlling of received signal volume.
Automatic line loss compensation.
Low noise level (max 72 dBmp).
Actual or complex impedance.
Switching LD/MF dialing.
Tone damper during programming.
Redial of the last 31 digit number.
Reference storage.
Redial of busy line or previous connection.
Pause button for applying to pause or waiting function.
3 pulse flashes: buttons, ―R1‖–100 ms, ―R2‖ – 280 ms
and ―R3‖ – 375/600 ms.
Active RC-filter on chip.
Circuit of ring frequency determination.
Three-tone melody generator
LS
MFL
RO
VDD
AGND
STB
CI
LO
LCC
HS/DP
OSC
MODE
C4
C3
01
02
03
04
05
06
07
08
09
10
11
12
13
14
package pin out
28 RI
27 LI
26 VSS
25 CS
24 M2
23 M1
22 LED
21 FCI
20 R1
19 R2
18 R3
17 R4
16 C1
15 C2
PACKAGE
IL2533AD assembly to 28-pin SO-package
MS-013AE.
IL2533AN assembly to 28-pin DIP-package
MS-011AB.
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IL2533A pdf, 数据表
IL2533A
IL2533
MULTI-STANDARD
SINGLE CHIP TELEPHONE
8







IL2533A equivalent, schematic
IL2533A
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