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参数资料
| 型号： | MAX9706ETX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/25页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 2.3W STER+1 36TQFN |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | D 类 |
| 输出类型： | 2-通道（立体声）带立体声耳机和超低音器 |
| 在某负载时最大输出功率 x 通道数量： | 2.3W x 3 @ 4 欧姆; 95mW x 2 @ 16 欧姆 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 特点： | 消除爆音，短路保护和热保护，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
MAX9706/MAX9707
3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
12
______________________________________________________________________________________
Pin Description
PIN
MAX9706
MAX9707
NAME
FUNCTION
1
BIAS
Internal Bias. Bypass BIAS to GND with a 1F capacitor.
2
GND
Ground. Star connect to PGND (see the Supply Bypassing, Layout, and Grounding section).
33
VDD
Main Power Supply. Connect VDD to a low-noise 5V source. Bypass VDD to GND with a 1F
capacitor.
4
SYNC_OUT
Synchronization Clock Output. Connect SYNC_OUT to other Class D amplifiers to maintain
synchronization. SYNC_OUT is a CMOS output proportional to VDD. Float SYNC_OUT, if not
used.
5, 23, 31
PGND
Power Ground. PGND is the ground connection for the speaker amplifiers.
6
OUTL-
Left-Speaker Negative Terminal
7
OUTL+
Left-Speaker Positive Terminal
8, 20, 34
PVDD
Output Power Supply. PVDD is the power connection for the speaker amplifiers. Connect to
VDD. Bypass each PVDD to its corresponding PGND with a 1F capacitor.
9
—
CPVDD
Charge-Pump Positive Supply. Connect CPVDD to HPVDD. Bypass CPVDD to CPGND with a
1F capacitor.
10
—
C1P
Charge-Pump Flying Capacitor Positive Terminal. Connect a 1F capacitor from C1P to C1N.
11
—
CPGND
Charge-Pump Ground. Connect to PGND.
12
—
C1N
Charge-Pump Flying Capacitor Negative Terminal. Connect a 1F capacitor from C1N to C1P.
13
—
CPVSS
Negative Supply Charge-Pump Output. Bypass CPVSS to PGND with a 1F capacitor.
Connect CPVSS to VSS.
14
SYNC_IN
Frequency Select or External Clock Input. Connect SYNC_IN to GND, VDD, leave floating, or
drive with an externally generated clock to control the switching frequency of the Class D
amplifiers. See Table 1.
15
—
HPS
Headphone Sense. HPS is a digital input with a pullup resistor to detect the connection of a
headphone. When HPS is high, the headphone amplifier is enabled and the Class D speaker
amplifiers are disabled. See the Headphone Sense Input (HPS) section.
16
—
VSS
Headphone Amplifier Negative Supply. Connect VSS to CPVSS.
17
—
HPR
Right Headphone Output
18
—
HPL
Left Headphone Output
19
—
HPVDD
Positive Supply for Headphone Amplifiers. Connect HPVDD to VDD. Bypass HPVDD to PGND
with a 0.1F capacitor.
21
OUTR+
Right-Speaker Positive Terminal
22
OUTR-
Right-Speaker Negative Terminal
24
SHDN
Shutdown Input. Drive
SHDN low to put the MAX9706/MAX9707 in low-power shutdown mode.
Drive
SHDN high or connect to VDD to enable normal operation.
25
FS0
26
FS1
Crossover Frequency Select. Connect FS0 and FS1 to GND or VDD to set the crossover
frequency. See Table 4.
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| MAX9706EVKIT | 功能描述:放大器 IC 开发工具 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
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| MAX9707ETX+T | 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| 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 |
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