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PDF BA20880 Data sheet ( Hoja de datos )
| Número de pieza | BA20880 | |
| Descripción | 2W Stereo Class-D Audio Power Amplifier | |
| Fabricantes | Biforst Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BA20880 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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2W Stereo Class-D Audio
Power Amplifier
BA20880
Data Sheet
Rev.1.0, 2008.09.05
Biforst Technology Inc.
1 page  
BA20880
____ 2W Stereo Class-D Audio Power Amplifier
ELECTRICAL CHARACTERISTICS (TA=25℃, VDD=5V; unless otherwise specified)
SYMBOL
PARAMETER
TEST CONDITIONS SPECIFICATION
｜IIH｜
｜IIL｜
IDD
IDD(MAX)
High-level input current
Low -level input current
Supply Current
RMS Supply Current
At Max Power
VDD=5.5V,
VI = VDD=0V
VDD=5.5V,
VI = 0V
No Filter (No Load)
RL = 3Ω, PO =
2.5W/Channel (Stereo)
1
1
10 20
1.8
IDD(SD)
Supply Current
In Shutdown Mode
SD_B = 0V
1 10
rds(on)
Drain-Source On-State
Resistance
VDD = 5V,
IO=500mA,
TJ = 25℃
High Side
Low Side
500 650
500 650
UNIT
uA
uA
mA
A
uA
mΩ
OPERATING CHARACTERISTICS (TA=25℃, VDD=5V; RL=4Ω;unless otherwise specified)
SYMBOL
PARAMETER
TEST CONDITIONS
SPECIFICATION
UNIT
MIN TYP MAX
F = 1KHz, RL = 3Ω, THD+N = 1%
2
W
Stereo Operation THD+N = 10%
2.5
W
F = 1KHz, RL = 4Ω, THD+N = 1%
PO
Output Power
Stereo Operation THD+N = 10%
1.8
2.3
W
W
F = 1KHz, RL = 8Ω, THD+N = 1%
1.2
W
Stereo Operation THD+N = 10%
1.5
W
THD+N
Total Harmonic
Distortion Plus Noise
PO = 1.5W,
f= 20Hz
to 20KHz
<0.7%
BOM
Maximum Output
Power Bandwidth
THD = 10%
20 KHz
SNR
TTP
TH
Vn
Signal-to-Noise Rate
Thermal Trip Point
Thermal Hystersis
Integrated Noise
Floor
Maximum Output at
THD+N < 0.5%
20Hz to 20KHz, Input AC
Grounded
96 dB
150 oC
20 oC
45
88
uVrms
_________________________________________________________________________________________________
Biforst Technology, Inc., reserves the right to change product or specifications without notice.
Page 4 of 17
5 Page 
BA20880
____ 2W Stereo Class-D Audio Power Amplifier
Typical Characteristics
Table of Graphs
Figure No.
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
Description
Frequency Response
Frequency Response
Frequency Response
THD+N VS. Frequency
THD+N VS. Frequency
THD+N VS. Frequency
THD+N VS. Output Power
THD+N VS. Output Power
THD+N VS. Output Power
Crosstalk
Crosstalk
Crosstalk
5V, 0.5W Output
5V, 1W Output
5V, 1.5W Output
3.6V, 0.5W Output
5V, 0.5W Output
5V, 1W Output
5V, 1.5W Output
3.6V, 0.5W Output
5V, 0.5W Output
5V, 1W Output
3.6V, 0.5W Output
5V, 0.5W Output
5V, 1W Output
5V, 1.5W Output
3.6V, 0.5W Output
5V, 0.5W Output
5V, 1W Output
5V, 1.5W Output
3.6V, 0.5W Output
5V, 0.5W Output
5V, 1W Output
3.6V, 0.5W Output
5V
3.6V
5V
3.6V
5V
3.6V
5V
3.6V
5V
3.6V
5V
3.6V
Output Load
3Ω
4Ω
8Ω
3Ω
4Ω
8Ω
3Ω
4Ω
8Ω
3Ω
4Ω
8Ω
_________________________________________________________________________________________________
Biforst Technology, Inc., reserves the right to change product or specifications without notice.
Page 10 of 17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet BA20880.PDF ] | |
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