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PDF GP34119 Data sheet ( Hoja de datos )
| Número de pieza | GP34119 | |
| Descripción | LOW POWER AUDIO AMPLIFIER | |
| Fabricantes | GTM | |
| Logotipo |  |
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GP34119
LOW POWER AUDIO AMPLIFIER
ISSUED DATE :2005/02/18
REVISED DATE :
Description
The GP34119 is a low power audio amplifier integrated circuit intended (primarily) for telephone applications, such as in speakerphones. It
provides differential speaker outputs to maximize output swing at low supply voltages (2.0V 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.
Features
Wide Operating Supply Voltage Range (2.0V to 16V), Allows Telephone Line Powered Applications
Low Quiescent Supply Current (2.7mA Typ) for Battery Powered Applications
Chip Disable Input to Power Down the IC
Low Power-Down Quiescent Current (65uA 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
Package Dimensions
D
GAUGE PLANE
SEATING PLANE
ZZ
be
b
SECTION Z - Z
DIP-8
REF.
A
A1
A2
b
b1
b2
b3
c
Millimeter
Min. Max.
- 0.5334
0.381
-
2.921
4.953
0.356
0.559
0.356
0.508
1.143
1.778
0.762
1.143
0.203
0.356
REF.
c1
D
E
E1
e
HE
L
Millimeter
Min. Max.
0.203
0.279
9.017
10.16
6.096
7.112
7.620
8.255
2.540 BSC
- 10.92
2.921
3.810
Block Diagram and Simplified Application & Pin Configuration
1/8
1 page  
ISSUED DATE :2005/02/18
REVISED DATE :
(C2 = 10 F)
Fig 3. Differential Gain versus Frequency
(C2 = 5.0 F)
Fig 4. Power Supply Rejection versus Frequency
(C2 = 1.0 F)
Fig 5. Power Supply Rejection versus Frequency
(C2 = 0)
Fig 6. Power Supply Rejection versus Frequency
Fig 7. Power Supply Rejection versus Frequency
Fig 8. Device Dissipation, 8.0 Load
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet GP34119.PDF ] | |
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