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參數(shù)資料
| 型號： | MAX9787ETI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.2W AB 28TQFN |
| 標(biāo)準(zhǔn)包裝： | 60 |
| 類型： | AB 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 2.2W x 2 @ 3 歐姆 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，短路保護(hù)和熱保護(hù)，關(guān)機(jī)，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 28-TQFN-EP（5x5） |
| 封裝/外殼： | 28-WFQFN 裸露焊盤 |
| 包裝： | 管件 |
General Description
The MAX9787 combines a stereo, 2.2W audio power
amplifier with an analog volume control in a single device.
A high 90dB PSRR and low 0.01% THD+N ensures clean,
low-distortion amplification of the audio signal.
The analog volume control can be driven with a poten-
tiometer, an RC-filtered PWM source, or a DAC output.
A BEEP input allows the addition of alert signals from
the controller to the audio path.
Industry-leading, click-and-pop suppression eliminates
audible transients during power and shutdown cycles.
Other features include single-supply voltage, a shut-
down mode, logic-selectable gain, thermal-overload,
and output short-circuit protection.
The MAX9787 is offered in a space-saving, thermally
efficient, 28-pin thin QFN (5mm x 5mm x 0.8mm) pack-
age, and is specified over the extended -40°C to +85°C
temperature range.
Applications
Notebook PCs
Flat-Panel TVs
Tablet PCs
PC Displays
Features
Class AB, 2.2W, Stereo BTL Speaker Amplifiers
Analog Volume Control
BEEP Input with Glitch Filter
5V Single-Supply Operation
High 90dB PSRR
Low-Power Shutdown Mode
Industry-Leading Click-and-Pop Suppression
Low 0.01% THD+N at 1kHz
Short-Circuit and Thermal Protection
Selectable-Gain Settings
Space-Saving 28-Pin TQFN (5mm x 5mm x 0.8mm)
MAX9787
2.2W Stereo Audio Power Amplifier
with Analog Volume Control
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3882; Rev 1; 1/07
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.
PART
PIN-PACKAGE
PKG CODE
MAX9787ETI+
28 TQFN-EP*
T2855N-1
Note: This device is specified for over -40°C to +85°C operat-
ing temperature range.
+Denotes lead-free package.
*EP = Exposed pad.
+5V
VOLUME
BEEP
MAX9787
Σ
Typical Operating Circuit
BIAS
GND
PGND
OUTR+
OUTR-
PV
DD
PV
DD
1
2
+
34
5
6
7
21
20
19
18
17
16
15
INL
BEEP
PGND
OUTL+
OUTL-
PV
DD
CPV
DD
8
9
10
11
12
13
14
C1P
CPGND
C1N
CPVSS
VSS
N.C.
28
27
26
25
24
23
22
VOL
INR
GND
VDD
GAIN1
GAIN2
SHDN
MAX9787
THIN QFN
TOP VIEW
*EP
*EXPOSED PAD.
Pin Configuration
Portable DVD Players
LCD Projectors
Multimedia Monitors
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9787ETI+ | 功能描述:音頻放大器 Integrated Circuits (ICs) 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 |
| MAX9787ETI+T | 功能描述:音頻放大器 Integrated Circuits (ICs) 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 |
| MAX9788EBP+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9788EBP+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 2.4W CLS-G 20UCSP - Tape and Reel |
| MAX9788ETI+ | 功能描述:音頻放大器 14VP-P Class G Cer Speaker Driver 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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