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參數資料
| 型號： | TS4956EIJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.055 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| 封裝： | ROHS COMPLIANT, FCP-18 |
| 文件頁數： | 1/55頁 |
| 文件大小： | 1711K |
| 代理商： | TS4956EIJT |
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March 2009
Rev 4
1/55
55
TS4956
Stereo audio amplifier system with I2C bus interface
Features
■ Operating from VCC = 2.7 V to 5.5 V
■ I2C bus control interface
■ 38 mW output power at VCC =3.3 V,
THD = 1%, F = 1 kHz, with 16
Ω load
■ Ultra low consumption in standby mode: 0.5 A
■ Digital volume control range from +12 dB to
-34 dB
■ 32-step digital volume control
■ Stereo loudspeaker option by I2C
■ 8 different output mode selections
■ Pop and click reduction circuitry
■ Flip-chip package, 18 bumps with 300 m
diameter
■ Lead-free flip chip package
■ Output power limitation on headphone for
eardrum damage consideration
Applications
■ Mobile phones (cellular/cordless)
■ PDAs
■ Laptop / notebook computers
■ Portable audio devices
Description
The TS4956 is a complete audio system device
with three dedicated outputs, one stereo
headphone, one loudspeaker drive and one mono
line for a hands-free set. The stereo headphone is
capable of delivering more than 25 mW per
channel of continuous average power into 16
Ω
single-ended loads with 0.3% THD+N from a 5 V
power supply. The device functions are controlled
via an I2C bus, which minimizes the number of
external components needed.
The overall gain and the different output modes of
the TS4956 are controlled digitally by the control
registers which are programmed via the IC
interface. It has also an internal thermal shutdown
protection mechanism.
TS4956 - flip-chip 18
Pin connections (top view)
RIN
LHP-
MLO
RHP+
MIN
VCC
SDA
LIN
VCC
GND
I2CVCC
MIP
SRP+
SRN-
SCL
GND
BYPASS
PGH
RIN
LHP-
MLO
RHP+
MIN
VCC
SDA
LIN
VCC
GND
I2CVCC
MIP
SRP+
SRN-
SCL
GND
BYPASS
PGH
相關PDF資料 |
PDF描述 |
|---|---|
| TS4956EIKJT | 1.055 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| TS4956EKIJT | 1.06 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA18 |
| TS4961TIQT | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC16 |
| TS4962EIJT | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| TS4962EIKJT | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TS4956EIKJT | 功能描述:音頻放大器 Stereo Audio Amp System 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 |
| TS4961TIQT | 功能描述:音頻放大器 MONO CLASS D AUDIO PWR 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 |
| TS4962 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2.8W filter-free mono class D audio power amplifier |
| TS4962_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2.8W filter-free mono class D audio power amplifier |
| TS4962_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2.8 W filter-free mono class D audio power amplifier |
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