參數(shù)資料
型號： MAX9702B
廠商： Maxim Integrated Products, Inc.
英文描述： 1.8W, Filterless, Stereo, Class D Audio Power Amplifier and DirectDrive Stereo Headphone Amplifier
中文描述： 1.8W的，濾波，立體聲D類音頻功率放大器和DirectDrive立體聲耳機放大器
文件頁數(shù)： 13/32頁
文件大?。?/td> 1411K
代理商： MAX9702B
M
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
______________________________________________________________________________________
13
Pin Description
PIN
TQFN
TSSOP
NAME
FUNCTION
1, 22
4, 25
PV
DD
H-Bridge Power Supply. Connect to V
DD
and bypass each PV
DD
with a 0.1μF capacitor to
PGND.
2
3
5
6
SYNC_OUT
SCL
Clock Signal Output. Float SYNC_OUT if not used.
I
2
C Serial Clock. Connect a pullup resistor to V
DD
(see
I
2
C Interface
section).
I
2
C Serial Data. Connect a pullup resistor to V
DD
(see
I
2
C Interface
section).
Common-Mode Voltage. Bypass to GND with a 1μF capacitor.
4
5
7
8
SDA
BIAS
6
9
SYNC
Frequency Mode Select:
SYNC = GND: Fixed-frequency mode with f
S
= 1100kHz.
SYNC = Float: Fixed-frequency mode with f
S
= 1340kHz.
SYNC = V
DD
: Spread-spectrum mode with f
S
= 1150kHz ±50kHz.
SYNC = Clocked: Fixed-frequency mode with f
S
= external clock frequency.
Charge-Pump Power Supply. Connect to V
DD
and bypass to CPGND with a 1μF capacitor.
Charge-Pump Flying-Capacitor Positive Terminal. Connect a 1μF capacitor from C1P to C1N.
Charge-Pump Power Ground. Connect to PGND.
7
8
9
10
11
12
CPV
DD
C1P
CPGND
10
13
C1N
Charge-Pump Flying-Capacitor Negative Terminal. Connect a 1μF capacitor from C1N to
C1P.
11
12
13
14
15
16
17
18
19
14
15
16
17
18
19
20
21
22
CPV
SS
V
SS
HPL
HPR
V
DD
GND
INR
INL
INM
Charge-Pump Negative Output. Bypass with a 1μF capacitor to CPGND.
Headphone Amplifier Negative Supply. Connect to CPV
SS
.
Left-Channel Headphone Output
Right-Channel Headphone Output
Analog Power Supply. Bypass with a 1μF capacitor to GND.
Analog Ground. Connect to PGND.
Right-Channel Audio Input
Left-Channel Audio Input
Mono Audio Input
20
23
HPS
Headphone Sense:
HPS = V
DD
: Headphone mode.
HPS = GND: Speaker mode.
21
23
24
24
26
27
1, 28
2
3
SHDN
OUTR+
OUTR-
PGND
OUTL-
OUTL+
Active-Low Shutdown. Connect to V
DD
for normal operation.
Right-Channel Positive Amplifier Output
Right-Channel Negative Amplifier Output
Power Ground. Connect to GND.
Left-Channel Negative Amplifier Output
Left-Channel Positive Amplifier Output
25, 26
27
28
EP
—
EP
Exposed Pad. The external pad lowers the package’s thermal impedance by providing a
direct heat conduction path from the die to the printed circuit board. The exposed pad is
internally connected to V
SS
. Connect the exposed thermal pad to an isolated plane if
possible or V
SS
.
相關(guān)PDF資料
PDF描述
MAX9703 Hex 2-Input OR Drivers 20-CDIP -55 to 125
MAX9703-MAX9704 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9703ETJ 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9704ETJ 15W, Filterless, Spread-Spectrum Mono/Stereo Class D Amplifiers
MAX9711ETC Synchronous 8-Bit Up/Down Counters 28-LCCC -55 to 125
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9702BETI+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TQFN - Rail/Tube
MAX9702BETI+T 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TQFN - Tape and Reel
MAX9702BEUI+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Rail/Tube
MAX9702BEUI+T 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Tape and Reel
MAX9702ETI+ 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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