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參數(shù)資料
| 型號： | MAX9741ETN+TD |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 12W STER 56TQFN |
| 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： | 2 通道（立體聲） |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 12W x 2 @ 8 歐姆 |
| 電源電壓： | 10 V ~ 25 V |
| 特點： | 消除爆音，差分輸入，靜音，短路和熱保護，關(guān)機 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 56-TQFN-EP（8x8） |
| 封裝/外殼： | 56-WFQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
MAX9741
12W+12W, Low-EMI, Spread-Spectrum,
Stereo, Class D Amplifier
_______________________________________________________________________________________
7
Detailed Description
The MAX9741 low-EMI, Class D audio power amplifier
features several improvements to switch-mode amplifi-
er technology. This device offers Class AB perfor-
mance with Class D efficiency, while occupying
minimal board space. A unique modulation scheme
and spread-spectrum switching mode create a com-
pact, flexible, low-noise, efficient audio power amplifier.
The differential input architecture reduces common-
mode noise pickup, and can be used without input-
coupling capacitors. The device can also be
configured as a single-ended input amplifier.
PIN
NAME
FUNCTION
1, 4, 7, 11–15, 19, 21,
23, 25, 28, 33–36, 39,
42, 43, 44, 49, 50, 55, 56
N.C.
No Connection. Not internally connected.
2, 3, 40, 41
PGND
Power Ground
5, 6, 37, 38
VDD
Power-Supply Input
8
C1N
Charge-Pump Flying Capacitor Negative Terminal
9
C1P
Charge-Pump Flying Capacitor Positive Terminal
10
CHOLD
Charge-Pump Hold Capacitor. Connect a 1F capacitor from CHOLD to VDD.
16
INL-
Left-Channel Negative Input
17
INL+
Left-Channel Positive Input
18
SHDN
Active-Low Shutdown. Connect SHDN to GND to disable the device. Connect to VDD for
normal operation.
20
SS
Soft-Start. Connect a 0.47F capacitor from SS to GND to enable soft-start feature.
22
AGND
Analog Ground
24
REG
Internal Regulator Output. Bypass with a 0.01F capacitor to PGND.
26
INR-
Right-Channel Negative Input
27
INR+
Right-Channel Positive Input
29
G1
Gain-Select Input 1
30
G2
Gain-Select Input 2
31
FS1
Frequency-Select Input 1
32
FS2
Frequency-Select Input 2
45, 46
OUTR-
Right-Channel Negative Audio Output
47, 48
OUTR+
Right-Channel Positive Audio Output
51, 52
OUTL-
Left-Channel Negative Audio Output
53, 54
OUTL+
Left-Channel Positive Audio Output
—EP
Exposed Paddle. Connect to GND.
Pin Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9741EVKIT | 制造商:Maxim Integrated Products 功能描述:12W+12W FILTERLESS - Rail/Tube 制造商:Maxim Integrated Products 功能描述:12W+12W FILTERLESS SPREAD-SPECTRU - Rail/Tube |
| MAX9742ETX+ | 功能描述:音頻放大器 Stereo 16W Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9742ETX+T | 功能描述:音頻放大器 Stereo 16W Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9742EVKIT+ | 功能描述:音頻放大器 Evaluation Kit for the MAX9742 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9744ETH+ | 功能描述:音頻放大器 Stereo 20W Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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