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MAX9792AEVKIT+ PDF预览

MAX9792AEVKIT+

更新时间: 2024-11-26 02:52:43
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美信 - MAXIM /
页数 文件大小 规格书
11页 295K
描述
Wake-on-Beep Function

MAX9792AEVKIT+ 数据手册

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19-4450; Rev 0; 2/09  
MAX9792A Evaluation Kit  
Evluates:MX792A  
General Description  
Features  
The MAX9792A evaluation kit (EV kit) demonstrates the  
MAX9792A IC, which combines a mono Class D power  
amplifier, a DirectDrive® stereo headphone amplifier,  
and a 120mA, 4.75V low-dropout regulator (LDO) for  
notebook, tablet PC, and portable media player appli-  
cations. Maxim’s DirectDrive technology eliminates the  
need for bulky DC-blocking capacitors at the output of  
the headphone amplifier.  
No DC-Blocking Output Capacitors Required at  
Headphone Output  
Speaker and Headphone Operation  
Speaker: 3W Mono Class D Output  
Headphone: 180mW Stereo DirectDrive Output  
Wake-on-Beep Function  
120mA, 4.75V LDO  
The EV kit is configured for a 12dB speaker amplifier  
gain and a 0dB headphone amplifier gain. It is  
designed to operate from a 4.5V to 5.5V speaker sup-  
ply and an optional separate 2.7V to 5.5V headphone  
supply. The EV kit is capable of delivering up to 3W into  
a 3Ω speaker and 180mW into a 32Ω headphone load.  
Lead(Pb)-Free and RoHS Compliant  
Fully Assembled and Tested  
Ordering Information  
PART  
TYPE  
MAX9792AEVKIT+  
EV Kit  
+Denotes lead(Pb)-free and RoHS compliant.  
Component List  
DESIGNATION QTY  
DESCRIPTION  
DESIGNATION QTY  
DESCRIPTION  
OPTIONAL COMPONENTS  
REQUIRED COMPONENTS  
1µF 10ꢀ, 10V X7R ceramic  
capacitors (0603)  
Murata GRM188R71A105K  
AVDD, HPVDD,  
PGND,  
C1, C5, C6,  
C25–C28  
7
3
3
3
5
Binding posts  
SPOUT+,  
SPOUT-  
1µF 10ꢀ, 50V X7R ceramic  
capacitors (0805)  
Murata GRM21BR71H105K  
C3, C4, C29  
C7, C8, C9  
C13, C14, C19,  
C20, C23, C24,  
C33  
Not installed, ceramic capacitors  
(0603)  
0
0
0.1µF 10ꢀ, 16V X7R ceramic  
capacitors (0603)  
Murata GRM188R71C104K  
Not installed, ceramic capacitor  
(0805)  
C16  
10µF 10ꢀ, 10V X7R ceramic  
capacitors (0805)  
Murata GRM21BR71A106K  
HPINL  
1
2
White side-entry phono jack  
Red side-entry phono jacks  
C10, C30, C31  
HPINR, SPIN  
HPL, HPR,  
PGND, SENSE,  
SPO+, SPO-  
R1  
1
3
20kΩ 1ꢀ resistor (0603)  
0
Not installed, small PCB test points  
R3, R4, R13  
40.2kΩ 1ꢀ resistors (0603)  
Speaker and headphone amplifiers  
with LDO (28 TQFN-EP*)  
Maxim MAX9792AETI+  
HPOUT  
JU1, JU2, JU3  
JU4, JU5  
1
3
2
3.5mm stereo headphone jack  
3-pin headers  
U1  
1
1
2-pin headers  
PCB: MAX9792A Evaluation Kit+  
Not installed, inductors (6.4mm x  
6mm x 1.5mm)  
L3, L4  
0
*EP = Exposed pad.  
R7, R8  
R11, R12, R15  
2
0
5
0Ω 5ꢀ resistors (0805)  
Not installed, resistors (0603)  
Shunts (JU1–JU5)  
DirectDrive is a registered trademark of Maxim Integrated  
Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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