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參數資料
型號: TS4975EIJT
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA12
封裝: LEAD FREE, FLIP CHIP, 12 PIN
文件頁數: 1/36頁
文件大小: 870K
代理商: TS4975EIJT
Rev 3
November 2005
1/36
36
TS4975
Stereo Headphone Drive Amplifier with
Digital Volume Control via I2C Bus
Operating from VCC = 2.5V to 5.5V
IC bus control interface
40mW output power @ VCC =3.3V,
THD = 1%, F = 1kHz, with 16
load
Ultra-low consumption in stdby mode: 0.6A
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 300m 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 in 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
OUT1
IN1
BYPASS
PHG1
VCC
SCL
PHG2
GND
SDA
OUT2
IN2
ADD
Pin out (top view)
Part Number
Temperature Range
Package
Packing
Marking
TS4975EIJT
-40, +85°C
Flip-chip
Tape & Reel
A75
www.st.com
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
相關PDF資料
PDF描述
TS4982IQT 2 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC32
TS4984EIJT 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
TS4984EIKJT 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
TS4984EKIJT 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
TS4984IQT 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16
相關代理商/技術參數
參數描述
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
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
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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