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參數資料
| 型號： | MAX98307EVKIT# |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/21頁 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX98307 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 放大器類型： | DG 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： | 3.3W x 1 @ 8 歐姆 |
| 電源電壓： | 2.6 V ~ 5.25 V |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | MAX98307 |
| 已供物品： | 板 |
MAX98307/MAX98308
3.3W Mono Class DG Multilevel Audio Amplifier
Maxim Integrated Products 1
Simplified Block Diagrams
19-5848; Rev 4; 3/12
For related parts and recommended products to use with this part,
refer to www.maxim-ic.com/MAX98307.related.
General Description
The MAX98307/MAX98308 fully differential mono Class
DG multilevel power amplifiers with integrated inverting
charge pumps offer highly efficient, high-power audio
solutions for portable applications.
Class DG multilevel modulation extends the dynamic
range of the output signal by employing a charge-pump-
generated negative rail as needed to extend the supply
range. This scheme results in high efficiency over a wide
output power range.
The ICs combine Maxim’s active emissions limiting edge
rate and overshoot control circuitry with multilevel out-
put modulation to greatly reduce EMI. These features
eliminate the need for output filtering as compared to
traditional Class D devices, reducing component count
and cost.
The MAX98307’s 16-pin TQFN package features an
adjustable gain set by external resistors. The MAX98308’s
space-saving 12-bump WLP package features an inter-
nally fixed gain of 8.5dB, 11.5dB, 14.5dB, 17.5dB, and
20.5dB set by a single gain input. Both devices operate
over the extended -40NC to +85NC temperature range.
Applications
Benefits and Features
S
High Efficiency Combined with High Output Power
Class DG Multilevel Modulation Ensures
Maximum Efficiency Over Wide Output Power
Range
S
Improves Battery Life
Low 1.85mA Quiescent Current
S
High Output Power at 1% THD+N
1.54W at VPVDD = 3.6V, 8I + 68H Load
2.85W at VPVDD = 5V, 8I + 68H Load
S
High Output Power at 10% THD+N
1.77W at VPVDD = 3.6V, 8I + 68H Load
3.3W at VPVDD = 5V, 8I + 68H Load
S
84% Efficiency (VPVDD = 3.6V, at 500mW Output)
S
Active Emissions Limiting and Class DG Multilevel
Output Modulation Eliminates EMI Output Filtering
Requirement
S
Integrated Charge Pump and High Efficiency
Results in Small Solution Size
S
Excellent RF Immunity
S
Click-and-Pop Suppression
S
Thermal and Overcurrent Protection
S
Low-Current Shutdown Mode
EVALUATION KIT AVAILABLE
Cellular Phones
Smartphones
Notebook Computers
VoIP Phones
Portable Audio
Tablet PCs
PVDD
GND
FB-
FB+
IN-
IN+
SHDN
PVSS
PGND
SVSS
C1P
C1N
OUT+
OUT-
VCC
CHARGE PUMP
CLASS DG
AMPLIFIER
MAX98307
PVDD
GND
IN-
IN+
SHDN
PVSS
PGND
C1P
C1N
OUT+
OUT-
GAIN
CHARGE PUMP
CLASS DG
AMPLIFIER
MAX98308
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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX98307EVKIT# | 功能描述:音頻 IC 開發工具 MAX98307 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 |
| MAX98308EWC+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX98308EWC+T | 制造商:Maxim Integrated Products 功能描述:AMPLIFIER - Tape and Reel |
| MAX98309EVKIT# | 功能描述:音頻 IC 開發工具 MAX98309 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 |
| MAX98309EWL+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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