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參數(shù)資料
| 型號： | MAX98500EWE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP BOOST CLASS D 2.2W 16WLP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 2.2W x 1 @ 8 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點： | 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-WLP（2x2） |
| 封裝/外殼： | 16-UFBGA，WLCSP |
| 包裝： | 帶卷 (TR) |
_______________________________________________________________ Maxim Integrated Products 1
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.
MAX98500
Boosted 2.2W Class D Amplifier
with Automatic Level Control
19-5189; Rev 0; 5/10
Simplified Block Diagram
General Description
The MAX98500 is a high-efficiency, Class D audio ampli-
fier that features an integrated boost converter to deliver
a constant output power over a wide range of battery
supply voltages.
The boost converter operates at 2MHz, requiring only a
small (2.2FH) external inductor and capacitor.
The automatic level control has a battery tracking func-
tion that reduces the output swing as the supply voltage
drops, preventing collapse of battery voltage.
The amplifier has differential inputs and an internal fully
differential design. The MAX98500 also features three
gain settings (6dB, 15.5dB, and 20dB) that are select-
able with a logic input.
The MAX98500 is available in a small, 0.5mm pitch
16-bump WLP package (2.1mm x 2.1mm). It is specified
over the extended -40NC to +85NC temperature range.
Applications
Cell Phones
Smartphones
GPS Devices
Mobile Internet Devices
Active Speaker Accessories
Features
S
Boosted Class D Output
S
Integrated Automatic Level Control
S
Output Power
2.2W into 8I, 10% THD+N
1.7W into 8I, 1% THD+N
S
Wide 2.5V to 5.5V Supply Voltage Range
S
Undervoltage Lockout Protection
S
High Total Efficiency of 87%
S
High Step-Up Switching Frequency (2MHz)
S
Active Emission Limiting for Low EMI
+Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information
Typical Application Circuit appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX98500EWE+
-40NC to +85NC
16 WLP
CONTROL
DIFFERENTIAL
INPUT
BOOST CONVERTER
GAIN
OUTPUT
STAGE
BATTERY
SPKP
SPKN
PVDD
VCCOUT
LX
VBAT
AGND
SPKPGND
BSTPGND
C4
A4
D1, C2
D3
RKNEE B3
GAIN B2
SDSPK C3
SDBST D4
B4
A3
A2
A1
B1
C1
INP D2
INN
MAX98500
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