參數(shù)資料
型號： MC34119
廠商： Motorola, Inc.
元件分類： 8位微控制器
英文描述： ECONOLINE: RSZ/P - 1kVDC
中文描述： ECONOLINE：RSZ / P - 1kVDC 2kVDC隔離UL94V - 0封裝材料所需的散熱片，無外置。組件所需的環(huán)形磁ContinuousShort電路保護（/ P的后綴）
文件頁數(shù)： 1/12頁
文件大?。?/td> 264K
代理商： MC34119
Device
Operating
Temperature Range
Package
SEMICONDUCTOR
TECHNICAL DATA
LOW POWER
AUDIO AMPLIFIER
ORDERING INFORMATION
MC34119P
MC34119D
TA = –20
°
to +70
°
C
Plastic DIP
SO–8
PIN CONNECTIONS
Order this document by MC34119/D
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
P SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
8
1
(Top View)
1
2
3
4
8
7
6
5
CD
FC2
FC1
Vin
VO2
Gnd
VCC
VO1
MC34119DTB
TSSOP
DTB SUFFIX
PLASTIC PACKAGE
CASE 948J
(TSSOP)
8
1
1
MOTOROLA ANALOG IC DEVICE DATA
The MC34119 is a low power audio amplifier intergrated circuit intended
(primarily) for telephone applications, such as in speakerphones. It provides
differential speaker outputs to maximize output swing at low supply voltages
(2.0 V minimum). Coupling capacitors to the speaker are not required. Open
loop gain is 80 dB, and the closed loop gain is set with two external resistors.
A Chip Disable pin permits powering down and/or muting the input signal.
The MC34119 is available in standard 8–pin DIP, SOIC package, and
TSSOP package.
Wide Operating Supply Voltage Range (2.0 V to 16 V), Allows
Telephone
Line Powered Applications
Low Quiescent Supply Current (2.7 mA Typ) for Battery
Powered Applications
Chip Disable Input to Power Down the IC
Low Power–Down Quiescent Current (65
μ
A Typ)
Drives a Wide Range of Speaker Loads (8.0
and Up)
Output Power Exceeds 250 mW with 32
Speaker
Low Total Harmonic Distortion (0.5% Typ)
Gain Adjustable from <0 dB to >46 dB for Voice Band
Requires Few External Components
MAXIMUM RATINGS
Rating
Value
Unit
Supply Voltage
–1.0 to +18
Vdc
Maximum Output Current at VO1, VO2
Maximum Voltage @ Vin, FC1, FC2, CD
Applied Output Voltage to VO1, VO2 when disabled
±
250
mA
–1.0, VCC + 1.0
–1.0, VCC + 1.0
Vdc
Junction Temperature
–55, +140
°
C
NOTE:
ESD data available upon request.
Block Diagram and Simplified Application
* = Optional
Differential Gian = 2 x
Rf
Ri
–
+#1
–
+
#2
MC34119
Bias
Circuit
Speaker
Chip
Disable
Audio
Input
Gnd
Rf
75 k
6
VCC
Ci
3Ri
Vin
4
FC1
3
C1
1.0
μ
F
C2*
5.0
μ
F
FC2
2
50 k
125 k
50 k
4.0 k4.0 k
7
5
VO1
8
VO2
1
CD
This device contains 45 active transistors.
Motorola, Inc. 1996
Rev 1
相關PDF資料
PDF描述
MC34119D LOW POWER AUDIO AMPLIFIER
MC34129 HIGH PERFORMANCE CURRENT MODE CONTROLLERS
MC33129D HIGH PERFORMANCE CURRENT MODE CONTROLLERS
MC33129P HIGH PERFORMANCE CURRENT MODE CONTROLLERS
MC33129 HIGH PERFORMANCE CURRENT MODE CONTROLLERS
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參數(shù)描述
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