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PDF SD7408 Data sheet ( Hoja de datos )
| Número de pieza | SD7408 | |
| Descripción | 2×10W CLASS-D AUDIO POWER AMPLIFIER | |
| Fabricantes | Silan | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SD7408 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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SD7408
2×10W CLASS-D AUDIO POWER AMPLIFIER
DESCRIPTION
SD7408 is a 2×10W analog input Class-D audio power amplifier for
driving bridged-tied stereo speakers.
Thanks to the high efficiency and HSOP-28 / ELQFP-48 Packages,
no heatsink is require.
Furthermore, the filterless operation allows a reduction in the external
component count.
FEATURES
* Output Power:
2×9.5W @ VCC=12V, RL=8Ω, THD=10%;
2×10.5W @ VCC=17V, RL=16Ω, THD=10%
* Supply Voltage: 8.5V to 18V
* Efficiency: Up to 90%
* Four Selectable,Fixed Gain Settings of 15.3, 21.2, 27.2, 31.8dB
* Differential Inputs
* Filterless Operation
* Shutdown Function
* Fully Protected against shorts to VCC, GND and OUT-to-OUT
* Thermal Protection
APPLICATIONS
* Multimedia System
* LCD Monitor and TV
ORDERING INFORMATION
Part No.
SD7408
SD7408TR
SD7408LS
SD7408LSTR
Package
HSOP-28-375-0.8
HSOP-28-375-0.8
ELQFP-48-7×7-0.5
ELQFP-48-7×7-0.5
Marking
SD7408
SD7408
SD7408LS
SD7408LS
Material
Pb free
Pb free
Pb free
Pb free
Packing
Tube
Tape & Reel
Tray
Tape & Reel
REV:1.0 2010.05.17
Page 1 of 13
1 page  
PIN CONFIGURATION (continued)
SD7408
PIN DESCRIPTIONS
Pin No.
SD7408 SD7408LS
25 1
26 2
27 3
28 4
15
26
-- 7
-- 8
39
Pin Name
SHUTDOWN
RINN
RINP
V2P5
LINP
LINN
AVDDREF
NC
GAIN0
4 10 GAIN1
16 11 FAULT
I/O Pin Description
Shutdown control
I TTL logic levels with compliance to AVCC
I Negative input for right channel
I Positive input for right channel
O 2.5V reference
I Positive input for left channel
I Negative input for left channel
O 5V Reference output
-- No internal connection
Gain select least significant bit.
I
TTL logic levels with compliance to AVDD
I Gain select most significant bit.
TTL logic levels with compliance to AVDD
O Short-circuit detect fault output
REV:1.0 2010.05.17
Page 5 of 13
5 Page 
SD7408
TYPICAL APPLICATION CIRCUIT (continued)
C18 220nF
PVCC
C15 10 F
C9 0.1 F
220nF C19
PVCC
10 F C26
0.1 F C10
AVCC
R2 120k
C1 0.47 F
C2 0.47 F
C5 0.47 F
C3 0.47 F
C4 0.47 F
R4 120k
R3 120k
48 47 46 45 44 43 42 41 40 39 38 37
1 SHUTDOWN
2 RINN
3 RINP
4 V2P5
5 LINP
6 LINN
7 AVDDREF
8 NC
9 GAIN0
10 GAIN1
11 FAULT
12 NC
SD7408LS
VCLAMPR 36
C7 1 F
NC 35
NC 34
AVCC
AVCC 33
NC 32
C13
0.1 F
C16
10 F
NC 31
AGND 30
AVDD 29
COSC 28
ROSC 27
C14 1 F
C6 220pF
R1 120k
AGND 26
VCLAMPL 25
C8 1 F
13 14 15 16 17 18 19 20 21 22 23 24
C11 0.1 F
C17 10 F
PVCC
C20 220nF
0.1 F C12
10 F C27
PVCC
220nF C21
REV:1.0 2010.05.17
Page 11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet SD7408.PDF ] | |
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