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參數(shù)資料
| 型號： | TS4975EIJT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Stereo Headphone Drive Amplifier with Digital Volume Control via IC Bus |
| 中文描述： | 立體聲耳機驅(qū)動集成電路放大器通過總線與數(shù)字音量控制 |
| 文件頁數(shù)： | 1/33頁 |
| 文件大?。?/td> | 747K |
| 代理商： | TS4975EIJT |
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Rev 2
1/33
July 2005
33
TS4975
Stereo Headphone Drive Amplifier with
Digital Volume Control via I
2
C Bus
■
Operating from V
CC
= 2.5V to 5.5V
■
I2C bus control interface
■
40mW output power @ Vcc=3.3V, THD=1%,
F=1kHz, with 16
load
■
Ultra-low consumption in stdby mode: 0.6 μA
■
Digital volume control range from 18dB to
-34dB
■
14-step digital volume control
■
9 different output mode selections
■
Pop & click noise reduction circuitry
■
Flip-chip package 12 x 300μm bumps (lead-
free)
Description
The TS4975 is a stereo audio headphone driver
capable of delivering up to 102mW per channel of
continuous average power into a 16
single-
ended load with 1% THD+N from a 5V power
supply. The overall gain of these headphone
drivers is controlled digitally by volume control
registers programmed via the I2C interface,
minimizing the number of external components
needed. This device can also easily be driven by
an MCU to select the output modes, through the
I2C bus interface.
A phantom ground configuration allows one to
avoid using bulky capacitors on the outputs of the
headphone amplifiers.
The TS4975 is packaged into a 1.8mm X 2.3mm
Flip Chip package, ideally suited for space-
conscious portable applications.
It has also an internal thermal shutdown
protection mechanism.
Applications
■
Mobile phones (cellular / cordless)
■
PDAs
■
Laptop/notebook computers
■
Portable audio devices
Order Codes
TS4975EIJT - Flip Chip
OUT1
IN1
BYPASS
PHG1
VCC
SCL
PHG2
GND
SDA
OUT2
IN2
ADD
Pin Out (top view)
Part Number
TS4975EIJT
Temperature Range
-40, +85°C
Package
Flip-chip
Packaging
Tape & Reel
Marking
A75
www.st.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS4982IQT | 功能描述:音頻放大器 2W Stereo Audio Amp 125 mW 16 ohm 3 lvl 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 |
| TS4984 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 1W Stereo audio power amplifier with active low standby mode |
| TS4984EIJT | 功能描述:音頻放大器 2x1.2W stereo audio 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 |
| TS4984EIKJT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
| TS4984FC | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode |
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