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SI2707-A10-GM Datasheet(PDF) 1 Page - Silicon Laboratories

No. de pieza SI2707-A10-GM
Descripción Electrónicos  EMI MITIGATING 2.1X 5 W CLASS D AUDIO AMPLIFIER
Download  46 Pages
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Fabricante Electrónico  SILABS [Silicon Laboratories]
Página de inicio  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI2707-A10-GM Datasheet(HTML) 1 Page - Silicon Laboratories

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Rev. 0.6 8/10
Copyright © 2010 by Silicon Laboratories
Si2704/05/06/07-A10
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Si2704/05/06/07-A10
EMI M ITIGATING 2.1 X 5W C LASS D A UDIO A MPLIFIER
Features
Applications
Description
The Si2704/05/06/07 EMI mitigating 2.1 digital audio processing Class D
amplifier integrates a power stage, PWM DAC, and digital audio processing
(DAP) for simplified, low cost, power efficient system designs in consumer
audio electronics. The digital input amplifier features delta-sigma PWM and
innovative EMI mitigation technology for producing high-quality audio while
effectively managing PWM switching noise for enhanced EMI compliance and
AM/FM radio co-existence, while also being GSM/iPhone friendly.
Functional Block Diagram
Digital input Delta-Sigma PWM
Patent-pending EMI mitigation
AM radio band noise-free notch
GSM/iPhone friendly
Wideband PWM carrier spreading
Power stage slew rate control
Power stage feedback for PSR/THD
2x 5 W @ 3
 BTL; 2x 3 W @ 8  BTL
88% efficiency with >50 dB PSRR
95 dB dynamic range and <0.1% THD
Stereo PWM DAC line analog outputs
Master/slave I2S w/ 3 inputs & 1 output
Automatic digital audio rate detection
Standard audio rates from 32–192 kHz
Audio activity detector w/ auto-standby
Operates from external XTAL or clock
Buffered master/regulator clock output
Programmable 7 band parametric EQ,
dynamic range compressor, tone control
Crossbar input mixer with scaling
Digital tone and alert generation
128 dB volume control in 0.5 dB steps
Multiple low power operating modes
Over-current and over-temperature
detection w/ auto recovery
Pop and click free operation
Standard 2-wire control w/ 2 addresses
System flexibility w/ 3 multi-function pins
Dual supply voltage: 2.7–3.6 V main
and 4.0–6.6 V power stage
Available in 4x4 24-pin Power QFN and
7x7 48-pin Power eTQFP package

Both Pb-free/RoHS compliant
PMP/MP3 docking stations
Portable consumer audio electronics
Table top and portable radios
Active/wireless speakers
TVs and monitors
TV sound bars
Si270x Digital Class-D Amplifier
PWM DAC
Over Current
Over Temp
Feedback
Power
Stage
LF
Power
Stage
RF
4.0 – 6.6 V
Supply
VPP
CLKO
PWM
CH 2
CH 1
PWM
2.7 – 3.6 V
Supply
VDD
2-Wire Control
DSP
I
2S/AAD
Mixer
ASRC
Tone Gen.
Cross-over Filter
Volume Control
Tone Control
7-Band EQ
DRC
System Control
Clock
Generation
MFP
MFP Control
LDO
I
2S
AUXOL/R
1.62 – 3.6 V
Supply
VIO
Ordering Information:
See page 37.
Pin Assignments
DCLK
DIN
VIO
SCLK
SDIO
CLKO
GND PAD
(Back Paddle)
Top Down View
24-Pin QFN Package
24
23
22
21
20
19
13
14
15
16
17
18
12
11
10
9
8
7
1
2
3
4
5
6
OUTPL
OUTNL
GNDL
GNDR
OUTNR
OUTPR
GND PAD
(Back Paddle)
29
30
31
32
26
27
28
25
33
34
35
36
8
7
6
5
11
10
9
12
4
3
2
1
44
43
42
41
47
46
45
48
40
39
38
37
17
18
19
20
14
15
16
13
21
22
23
24
GNDL
OUTNR
GNDR
OUTPR
NC
VPPR
NC
VPPL
OUTNL
OUTPL
GND
GND
VIO
GND
SDIO
SCLK
CLKO
NC
NC
NC
NC
DFS
DIN
DCLK
Top Down View
48-Pin eTQFP Package
Si2704/05/06/07


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