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參數資料
| 型號： | MAX9700BEVKIT |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL KIT FOR MAX9700 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 放大器類型： | D 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： | 1.6W x 1 @ 6 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | MAX9700，MAX9712 |
| 已供物品： | 板 |
General Description
The MAX9700 mono class D audio power amplifier pro-
vides class AB amplifier performance with class D effi-
ciency, conserving board space and extending battery
life. Using a class D architecture, the MAX9700 delivers
1.2W into an 8Ω load while offering efficiencies above
90%. A low-EMI modulation scheme renders the tradi-
tional class D output filter unnecessary.
The MAX9700 offers two modulation schemes: a fixed-
frequency (FFM) mode, and a spread-spectrum (SSM)
mode that reduces EMI-radiated emissions due to the
modulation frequency. Furthermore, the MAX9700 oscil-
lator can be synchronized to an external clock through
the SYNC input, allowing the switching frequency to be
user defined. The SYNC input also allows multiple
MAX9700s to be cascaded and frequency locked, mini-
mizing interference due to clock intermodulation. The
device utilizes a fully differential architecture, a full-
bridged output, and comprehensive click-and-pop sup-
pression. The gain of the MAX9700 is set internally
(MAX9700A: 6dB, MAX9700B: 12dB, MAX9700C:
15.6dB, MAX9700D: 20dB), further reducing external
component count.
The MAX9700 features high 72dB PSRR, a low 0.01%
THD+N, and SNR in excess of 90dB. Short-circuit and
thermal-overload protection prevent the device from
damage during a fault condition. The MAX9700 is avail-
able in 10-pin TDFN (3mm 3mm 0.8mm), 10-pin
MAX, and 12-bump UCSP (1.5mm 2mm 0.6mm)
packages. The MAX9700 is specified over the extended
-40°C to +85°C temperature range.
Applications
Features
Filterless Amplifier Passes FCC Radiated
Emissions Standards with 100mm of Cable
Unique Spread-Spectrum Mode Offers 5dB
Emissions Improvement Over Conventional
Methods
Optional External SYNC Input
Simple Master-Slave Setup for Stereo Operation
94% Efficiency
1.2W into 8Ω
Low 0.01% THD+N
High PSRR (72dB at 217Hz)
Integrated Click-and-Pop Suppression
Low Quiescent Current (4mA)
Low-Power Shutdown Mode (0.1A)
Short-Circuit and Thermal-Overload Protection
Available in Thermally Efficient, Space-Saving
Packages
10-Pin TDFN (3mm x 3mm x 0.8mm)
10-Pin MAX
12-Bump UCSP (1.5mm x 2mm x 0.6mm)
MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
________________________________________________________________
Maxim Integrated Products
1
1
2
3
4
5
10
9
8
7
6
PVDD
OUT-
OUT+
PGND
GND
IN-
IN+
VDD
MAX9700
TDFN/μMAX
TOP VIEW
SYNC
SHDN
Pin Configurations
Ordering Information
MAX9700
DIFFERENTIAL
AUDIO INPUT
SYNC
INPUT
VDD
OSCILLATOR
MODULATOR
AND H-BRIDGE
Block Diagram
19-3030; Rev 2; 10/08
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Cellular Phones
PDAs
MP3 Players
Portable Audio
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX9700AETB
-40
oC to +85oC
10 TDFN-EP*
ACM
MAX9700AEUB
-40
oC to +85oC
10 MAX
—
MAX9700AEBC-T
-40
oC to +85oC
12 UCSP
—
MAX9700BETB
-40
oC to +85oC
10 TDFN-EP*
ACI
MAX9700BEUB
-40
oC to +85oC
10 MAX
—
MAX9700BEBC-T
-40
oC to +85oC
12 UCSP
—
Pin Configurations continued at end of data sheet.
Ordering Information continued and Selector Guide appears
at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
MAX is a registered trademark of Maxim Integrated Products, Inc.
*EP = Exposed pad.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9700CEBC | 制造商:Maxim Integrated Products 功能描述:1.2W LOW EMI FILTERLESS CLASS D - Rail/Tube |
| MAX9700CEBC+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9700CEBC+T | 功能描述:音頻放大器 1.2W L-EMI Filterles Class D Audio Amp 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 |
| MAX9700CEBC-T | 功能描述:音頻放大器 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 |
| MAX9700CETB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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