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參數資料
| 型號： | MAX9768EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/26頁 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9768 |
| 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： | 10W x 1 @ 8 歐姆 |
| 電源電壓： | 4.5 V ~ 14 V |
| 工作溫度： | -40°C ~ 85°C |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | MAX9768 |
| 已供物品： | 板 |
General Description
The MAX9768 mono 10W Class D speaker amplifier
provides high-quality, efficient audio power with an inte-
grated volume control function.
The MAX9768 features a 64-step dual-mode (analog or
digitally programmable) volume control and mute func-
tion. The audio amplifier operates from a 4.5V to 14V
single supply and can deliver up to 10W into an 8
Ω
speaker with a 14V supply.
A selectable spread-spectrum mode reduces EMI-radiat-
ed emissions, allowing the device to pass EMC testing
with ferrite bead filters and cable lengths up to 1m. The
MAX9768 can be synchronized to an external clock,
allowing synchronization of multiple Class D amplifiers.
The MAX9768 features high 77dB PSRR, low 0.08%
THD+N, and SNR up to 97dB. Robust short-circuit and
thermal-overload protection prevent device damage
during a fault condition. The MAX9768 is available in a
24-pin thin QFN-EP (4mm x 4mm x 0.8mm) package
and is specified over the extended -40°C to +85°C tem-
perature range.
Applications
Features
10W Output (8Ω, PVDD = 14V, THD+N = 10%)
Spread-Spectrum Modulation
Meets EN55022B EMC with Ferrite Bead Filters
Amplifier Operation from 4.5V to 14V Supply
64-Step Integrated Volume Control (I2C or Analog)
Low 0.08% THD+N (RL = 8Ω, POUT = 6W)
High 77dB PSRR
Two tON Times Offered
MAX9768—220ms
MAX9768B—15ms
Low-Power Shutdown Mode (0.5A)
Short-Circuit and Thermal-Overload Protection
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
________________________________________________________________
Maxim Integrated Products
1
19-0854; Rev 2; 11/08
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.
EVALUATION
KIT
AVAILABLE
Pin Configuration located at end of data sheet.
Ordering Information
Note: All devices are specified over the -40°C to +85°C oper-
ating temperature range.
+
Denotes a lead-free/RoHS-compliant package.
*
EP = Exposed pad.
PART
PIN-PACKAGE
tON (ms)
MAX9768ETG+
24 TQFN-EP*
220
MAX9768BETG+
24 TQFN-EP*
15
MUTE
SHDN
SPEAKER
AUDIO
INPUT
FILTERLESS
CLASS D
SPEAKER
OUTPUT
ANALOG OR
I2C VOLUME
CONTROL
3.3V
4.5V TO 14V
MAX9768
Simplified Block Diagram
MAX9768 EMI WITH FERRITE BEAD FILTERS
(VDD = 12V, 1m CABLE, 8
Ω LOAD)
FREQUENCY (MHz)
900
800
100 200 300
500 600
400
700
5
10
15
20
AMPLITUDE
(dB
μ
V/m) 25
30
35
40
0
1000
OVER 20dB MARGIN
TO EN55022B LIMIT
Notebook Computers
Flat-Panel Displays
Multimedia Monitors
GPS Navigation
Systems
Security/Personal
Mobile Radio
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9768EVKIT+ | 功能描述:音頻 IC 開發工具 MAX9768 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 |
| MAX976ESA | 功能描述:校驗器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX976ESA+ | 功能描述:校驗器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX976ESA+T | 功能描述:校驗器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX976ESA-T | 功能描述:校驗器 IC Dual High Speed Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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