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參數(shù)資料
| 型號： | TS4994IST |
| 廠商： | 意法半導體 |
| 英文描述： | 1W Differential Input/Output Audio Power Amplifier with Selectable Standby |
| 中文描述： | 1W的差分輸入/輸出音頻功率放大器可選擇待機 |
| 文件頁數(shù)： | 1/31頁 |
| 文件大?。?/td> | 762K |
| 代理商： | TS4994IST |
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April 2005
Revision 4
1/31
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Differential inputs
Near zero pop & click
100dB PSRR @ 217Hz with grounded inputs
Operating from V
CC
= 2.5V to 5.5V
1W RAIL to RAIL output power @ Vcc=5V,
THD=1%, F=1kHz, with 8
load
90dB CMRR @ 217Hz
Ultra-low consumption in standby mode (10nA)
Selectable standby mode (active low or
active high
Ultra fast startup time: 15ms typ.
Available in DFN10 3x3, 0.5mm pitch &
MiniSO8
All lead-free packages
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Description
The TS4994 is an audio power amplifier capable
of delivering 1W of continuous RMS output power
into an 8
load @ 5V. Thanks to its differential
inputs, it exhibits outstanding noise immunity.
An external standby mode control reduces the
supply current to less than 10nA. A STBY MODE
pin allows the standby pin to be active HIGH or
LOW (except in the MiniSO8 version). An internal
thermal shutdown protection is also provided,
making the device capable of sustaining short-
circuits.
The device is equipped with Common Mode
Feedback circuitry allowing outputs to be always
biased at Vcc/2 regardless of the input common
mode voltage.
The TS4994 has been designed for high quality
audio applications such as mobile phones and
requires few external components.
Pin Connections (top view)
Applications
Mobile phones (cellular / cordless)
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Laptop / notebook computers
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PDAs
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Portable audio devices
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Order Codes
TS4994IQT - DFN10
1
2
3
4
5
10
9
8
7
6
V
IN -
V
O+
STBY
V
DD
V
IN +
STBY MODE
BYPASS
V
O-
GND
N/C
TS4994IST - MiniSO8
4
3
2
1
V
IN+
V
IN-
V
O+
GND
Vcc
V
O-
BYPASS
5
6
7
8
STBY
Part Number
Temperature Range
Package
Packaging
Marking
TS4994IQT
TS4994IST
-40°C to +85°C
-40°C to +85°C
DFN10
MiniSO8
Tape & Reel
Tape & Reel
K994
K994
1W
Differential Input/Output Audio Power Amplifier
with Selectable Standby
TS4994
相關PDF資料 |
PDF描述 |
|---|---|
| TS4997 | 2 x 1W differential input stereo audio amplifier with programmable 3D effects |
| TS4997IQT | 2 x 1W differential input stereo audio amplifier with programmable 3D effects |
| TS5070 | Programmable Codec/Filter COMBO 2ND Generation(可編程編碼解碼器/濾波器) |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TS4995 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain |
| TS4995EIJT | 功能描述:音頻放大器 1.2W input/output Diff Audio Pwr Amp 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS4997 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 1W differential input stereo audio amplifier with programmable 3D effects |
| TS4997IQT | 功能描述:音頻放大器 Stereo w/3D effects 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS4998 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2 x 1W differential input stereo audio amplifier |
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