參數(shù)資料
型號(hào)： MAX9708
廠商： Maxim Integrated Products, Inc.
英文描述： 20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier
中文描述： 20W/40W、無需濾波的擴(kuò)頻單聲道/立體聲D類放大器
文件頁數(shù)： 9/24頁
文件大小： 781K
代理商： MAX9708
M
20W/40W, Filterless, Spread-Spectrum,
Mono/Stereo, Class D Amplifier
_______________________________________________________________________________________
9
Pin Description (continued)
PIN
TQFP
9
10
TQFN
8
9
NAME
FUNCTION
C1N
C1P
Charge-Pump Flying Capacitor C1, Negative Terminal
Charge-Pump Flying Capacitor C1, Positive Terminal
11
10
CPV
DD
Charge-Pump Power Supply. Bypass to PV
DD
with a 1μF capacitor as close to the pin
as possible.
12
11
SYNCOUT
Open-Drain, Slew-Rate Limited Clock Output. Pullup with a 10k
resistor to REG.
14
13
SYNCIN
Clock Synchronization Input. Allows for synchronization of the internal oscillator with an
external clock. SYNCIN is internally pulled up to V
REG
with a 100k
resistor.
Frequency Select 2
Frequency Select 1
Left-Channel Negative Input (Stereo Mode Only)
Left-Channel Positive Input (Stereo Mode Only)
15
18
19
20
14
15
16
17
FS2
FS1
INL-
INL+
21
18
MONO
Mono/Stereo Mode Input. Drive logic-high for mono mode. Drive logic-low for stereo
mode.
22, 23, 24
25, 26
27
19, 20, 21
22, 23
24
REG
GND
SS
Internal Regulator Output Voltage (6V). Bypass with a 0.01μF capacitor to GND.
Analog Ground
Soft-Start. Connect a 0.47μF capacitor to GND to utilize soft-start power-up sequence.
28
25
V
DD
Analog Power Supply. Bypass to GND with a 0.1μF capacitor as close to pin as
possible.
29
30
31
34
26
27
28
29
INR-
INR+
G1
G2
Right-Channel Positive Input. In mono mode, INR+ is the positive input.
Right-Channel Negative Input. In mono mode, INR- is the negative input.
Gain Select Input 1
Gain Select Input 2
35
30
SHDN
Active-Low Shutdown Input. Drive
SHDN
high for normal operation. Drive
SHDN
low to
place the device in shutdown mode.
36
31
MUTE
Active-Low Mute Input. Drive logic-low to place the device in mute. In mute mode,
Class D output stage is no longer switching. Drive high for normal operation.
MUTE
is
internally pulled up to V
REG
with a 100k
resistor.
37
38
39
40
32
33
34
35
TEMP
TH2
TH1
TH0
OUTR-
OUTR+
OUTL-
OUTL+
EP
Thermal Flag Output, Open Drain. Pull up with a 10k
resistor to REG.
Temperature Flag Threshold Select Input 2
Temperature Flag Threshold Select Input 1
Temperature Flag Threshold Select Input 0
Right-Channel Negative Output
Right-Channel Positive Output
Left-Channel Negative Output
Left-Channel Positive Output
Exposed Paddle. Connect to GND with multiple vias for best heat dissipation.
51, 52
53, 54
59, 60
61, 62
EP
45, 46
47, 48
51, 52
53, 54
EP
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9708ECB+D 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 64TQFP EP - Rail/Tube
MAX9708ECB+TD 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 64TQFP EP - Tape and Reel
MAX9708ETN 制造商:Maxim Integrated Products 功能描述:20W/40W FILTERLESS, SPREAD-SPECTRUM, MONO/STE - Rail/Tube
MAX9708ETN/V+TD 制造商:Maxim Integrated Products 功能描述:20W/40W FILTERLESS, SPREAD SPECTRUM, MONO/STEREO, CLASS D AM - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC AMP AUDIO PWR 42W STER 56TQFN 制造商:Maxim Integrated Products 功能描述:Filterless Class D Amp Mono/Stereo
MAX9708ETN+ 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 56TQFN EP - Rail/Tube
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