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参数资料
| 型号： | MAX9737EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX9737 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 放大器类型： | D 类 |
| 输出类型： | 1-通道（单声道） |
| 在某负载时最大输出功率 x 通道数量： | 13W x 1 @ 4 欧姆 |
| 电源电压： | 8 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 板类型： | 完全填充 |
| 已用 IC / 零件： | MAX9737 |
| 已供物品： | 板 |
MAX9737
Mono 7W Class D Amplifier
10
______________________________________________________________________________________
OUT-
OUT+
IN
BIAS
COM
CONTROL
POWER
STAGE
SHDN
PVDD
CHOLD
REGULATOR
CHARGE
PUMP
C1P
C1N
PRE
9
5
3, 10, 11
8
7
12
13, 14
16
15
1, 17, 18
19, 20
23, 24
21, 22
PGND
8V TO 28V
2
AGND
MUTE
4
PRECHARGE
PC
AUDIO
INPUT
6
C1
0.1
μF
REG
C2
1
μF
1
μF
1
μF
100
μF
1
μF
RFB
20k
Ω
RIN
20k
Ω
CCOM
1
μF
CIN
0.47
μF
CREG
1
μF
MAX9737
VS
SHDN
LOGIC INPUT
VS
Typical Application Circuit
Supply Bypassing, Layout, and Grounding
Proper layout and grounding are essential for optimum
performance. Use wide traces for the power-supply
inputs and amplifier outputs to minimize losses due to
parasitic trace resistance. Proper grounding improves
audio performance, minimizes crosstalk between chan-
nels, and prevents switching noise from coupling into
the audio signal. Connect PGND and AGND together at
a single point on the PCB. Route all traces that carry
switching transients away from AGND and the
traces/components in the audio signal path.
Bypass PVDD with two 1F capacitors to PGND. Place
the bypass capacitors as close as possible to the
MAX9737. Place a 100F capacitor between PVDD and
PGND. Bypass VS,VCOM, and VREG with a 1F capacitor
to AGND.
Use wide, low-resistance output traces. Current drawn
from the outputs increases as load impedance
decreases. High-output trace resistance decreases the
power delivered to the load. The MAX9737 TQFN pack-
age features an exposed thermal pad on its underside.
This pad lowers the package’s thermal resistance by
providing a heat conduction path from the die to the
PCB. Connect the exposed thermal pad to PGND by
using a large pad and multiple vias to the PGND plane.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9737EVKIT+ | 功能描述:音频 IC 开发工具 MAX9737 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9738EVKIT+ | 功能描述:放大器 IC 开发工具 MAX9738 Eval Kit 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 |
| MAX9738EWP+T | 制造商:Maxim Integrated Products 功能描述:16VP-P CLASS G AMPLIFIER WITH INVER - Tape and Reel |
| MAX9738EWP+TG45 | 功能描述:音频放大器 16VP-P Class G Amplifier 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 |
| MAX973C/D | 功能描述:校验器 IC RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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