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參數資料
| 型號： | MAX9730ETI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.4W G 28TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | G 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負載時最大輸出功率 x 通道數量： | 2.4W x 1 @ 8 歐姆 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 特點： | 消除爆音，差分輸入，關閉 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 28-TQFN-EP（5x5） |
| 封裝/外殼： | 28-WFQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
General Description
The MAX9730 features a mono Class G power amplifier
with an integrated inverting charge-pump power supply.
The charge pump can supply up to 500mA of peak out-
put current over a 2.7VDC to 5.5VDC supply voltage
range, guaranteeing up to 2.4W output power into an
8
Ω load. The 2.4W output power allows for transient
audio content to remain unclipped as the battery rail col-
lapses over time.
The MAX9730 maximizes battery life by offering high-
performance efficiency. Maxim’s proprietary output
stage provides efficiency levels greater than Class AB
devices without the EMI penalties commonly associat-
ed with Class D amplifiers. High efficiency allows the
MAX9730 to be packaged in a WLP package without
derating the output power handling capability.
The device utilizes fully differential inputs and outputs,
comprehensive click-and-pop suppression, shutdown
control, and soft-start circuitry. The MAX9730 is fully
specified over the -40°C to +85°C extended tempera-
ture range and is available in ultra-small, lead-free,
20-bump WLP (2mm x 2.5mm) and 28-pin TQFN (4mm
x 4mm) packages.
Features
o 2.7V to 5.5V Operation
o Integrated Charge-Pump Power Supply
o 63% Efficiency (VCC = 5V, POUT = 1W)
o 2.4W Output Power into 8Ω at VCC = 5V
o Clickless/Popless Operation
o Small Thermally Efficient Packages
2mm x 2.5mm 20-Bump WLP
4mm x 4mm 28-Pin TQFN
MAX9730
2.4W, Single-Supply, Class G Power Amplifier
________________________________________________________________
Maxim Integrated Products
1
PART
PIN-PACKAGE
TEMP RANGE
MAX9730EWP+TG45
20 WLP
-40°C to +85°C
MAX9730ETI+
28 TQFN-EP*
-40°C to +85°C
Ordering Information
MAX9730
+
IN+
FB+
RIN+
CPVDD
2.7V TO 5.5V
RIN-
CIN
IN-
FB-
OUT+
OUT-
-
CLASS G
OUTPUT
STAGE
CHARGE
PUMP
RFB+
RFB-
VCC
CPGND
GND
Simplified Block Diagram
19-0701; Rev 5; 3/10
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.
EVALUATION
KIT
AVAILABLE
MP3 Players
Personal Media Players
Handheld Gaming
Consoles
Cell Phones
Smartphones
Notebook Computers
Applications
Typical Application Circuit/Functional Diagram and Pin
Configurations appear at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
G45 indicates protective die coating.
*
EP = Exposed pad.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9730EVKIT+ | 功能描述:音頻 IC 開發工具 MAX9730 Eval Kit RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX9730EWP+TG45 | 功能描述:音頻放大器 2.4W Class G Power Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9736AETJ/V+ | 功能描述:音頻放大器 Mono/Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9736AETJ/V+T | 功能描述:音頻放大器 Mono/Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9736AETJ+ | 功能描述:音頻放大器 Mono/Stereo Class D Amplifier RoHS:否 制造商:STMicroelectronics 產品: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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