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參數(shù)資料
| 型號(hào)： | MAX9738EWP+TG45 |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR MONO G 20WLP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類(lèi)型： | G 類(lèi) |
| 輸出類(lèi)型： | 1-通道（單聲道） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，關(guān)閉 |
| 安裝類(lèi)型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 20-WLP |
| 封裝/外殼： | 20-WFBGA，WLBGA |
| 包裝： | 帶卷 (TR) |
| 配用： | MAX9738EVKIT+-ND - KIT EVALUATION FOR MAX9738 |
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General Description
The MAX9738 features a mono Class G power amplifi-
er with an integrated inverting boost converter. The
Class G amplifier is specifically designed to drive the
high capacitance of a ceramic/piezoelectric loud-
speaker. The inverting boost converter can typically
supply up to 400mA of peak output current, allowing
for a constant output of 16VP-P over the 2.7V to 5.5V
supply voltage range.
The MAX9738 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.
The MAX9738 is ideally suited to deliver the high output
voltage swing required to drive ceramic/piezoelectric
speakers.
The device utilizes fully differential inputs and outputs,
comprehensive click-and-pop suppression, shutdown
control, and soft-start circuitry. The MAX9738 is fully
specified over the -40°C to +85°C extended tempera-
ture range and is available in an ultra-small, lead-free
5x4 WLP (2.5mm x 2mm) package.
Features
Integrated Inverting Boost Converter
2.7V to 5.5V Single-Supply Operation
16VP-P Output Voltage Swing, Ideal for Driving a
Ceramic Speaker
Maintains Output Voltage Swing as the Battery
Decays
Clickless/Popless Operation
Small, Thermally Efficient 5x4 WLP Package
(2.5mm x 2mm)
Applications
MAX9738
16VP-P Class G Amplifier with
Inverting Boost Converter
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
MAX9738
+
IN+
FB+
VBAT
VDD
IN-
FB-
OUT+
LX
BST
ISET
VSS
OUT-
-
CLASS G
OUTPUT
STAGE
INVERTING
BOOST
CONVERTER
VDD
GND
PIEZOELECTRIC
SPEAKER
Simplified Block Diagram
19-3700; Rev 0; 3/08
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.
PART
TEMP RANGE
PIN-
PACKAGE
MAX9738EWP+TG45
-40°C to +85°C
5x4 WLP
+
Denotes a lead-free package.
T = Tape and reel.
G45 indicates protective die coating.
Typical Application Circuit/Functional Diagram and Pin
Configuration appear at end of data sheet.
Cellular Phones
Smartphones
MP3 Players
Personal Media
Players
Handheld Gaming
Consoles
Notebook Computers
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| MAX973C/D | 功能描述:校驗(yàn)器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX973CPA | 功能描述:校驗(yàn)器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX973CPA+ | 功能描述:校驗(yàn)器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX973CSA | 功能描述:校驗(yàn)器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX973CSA+ | 功能描述:校驗(yàn)器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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