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參數(shù)資料
| 型號(hào)： | MC34119P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Single Output LDO, 250mA, Fixed(3.0V), Low Noise, Fast Transient Response 8-SOIC -40 to 85 |
| 中文描述： | 0.4 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 264K |
| 代理商： | MC34119P |
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
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| MC34119DTB | LOW POWER AUDIO AMPLIFIER |
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| MC34119-P08-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:LOW POWER AUDIO AMPLIFIER |
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