參數(shù)資料
型號(hào)： MC34216ADW
廠商： MOTOROLA INC
元件分類： 無繩電話/電話
英文描述： PROGRAMMABLE TELEPHONE LINE INTERFACE CIRCUIT WITH LOUDSPEAKER AMPLIFIER
中文描述： TELEPHONE MULTIFUNCTION CKT, PDSO28
封裝： PLASTIC, SO-28
文件頁數(shù)： 1/20頁
文件大小： 527K
代理商： MC34216ADW
TA = 0
°
to +70
°
C
Device
Operating
Temperature Range
Package
SEMICONDUCTOR
TECHNICAL DATA
PROGRAMMABLE
TELEPHONE LINE
INTERFACE CIRCUIT WITH
LOUDSPEAKER AMPLIFIER
ORDERING INFORMATION
MC34216ADW
SO–28L
DW, DWF SUFFIX
PLASTIC PACKAGE
CASE 751F
28
1
PIN CONNECTIONS
Order this document by MC34216A/D
1
28
27
26
25
24
23
22
21
20
2
3
4
5
6
7
8
9
10
11
12
AHO1
AHO2
MTF
MTC
Mic
LAO
LAI
HYN
NDC
CM
AGC
RXO1
LPI
LPO
Gnd
VCC
Iref
RS
Clk
D/HS
19
18
RXI
RXO2
AGnd
TXI
(Top View)
17
16
13
14
IMP
Osc
15
SAO
SAI
MC34216ADWF
SO–28L
1
MOTOROLA ANALOG IC DEVICE DATA
!
The MC34216A is developed for use in telephone applications where,
besides the standard telephone functions, the group listening–in feature is
also required. In cooperation with a microcontroller, the circuit performs all
basic telephone functions including DTMF generation and pulse–dialing.
The listening–in part includes a loudspeaker amplifier, an anti–howling
circuit and a strong supply. In combination with the TCA3385, the ringing is
performed via the loudspeaker.
Programmable DC Mask, for France, U.K., and Voltage Regulated
Countries
DC Mask for France and U.K. (MC34216ADWF)
Programmable Volume for Listening–In and Ringing
Small Amount of External Components
On–Chip DTMF and Ring Signal Generator
Efficient Supply Point for Loudspeaker Amplifier and Peripherals
Programmable Modes for Speakerphone, Answering Machine, Fax and
Modem Applications
Pilot and Idle Tones Provide Extra Phone Features
Simplified Block Diagram
This device contains 6,507 active transistors.
Line
Driver
Anti–
Howling
Mic
Supply
Stabilizer
DC Mask
Generation AC
Termination 2–4
Wire Conversion
DC and AC
Termination
Handset
Earpiece
Handset
MIcrophone
Line –
Line +
LSP
Base
Loudspeaker
Micro-
controller
Interface
DTMF and
Ring
Generator
Ear
This document contains information on a new product. Specifications and information
herein are subject to change without notice.
Motorola, Inc. 1996
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