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参数资料
| 型号： | TS4995EIJT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封装： | LEAD FREE, FCP-9 |
| 文件页数： | 1/26页 |
| 文件大小： | 440K |
| 代理商： | TS4995EIJT |
March 2008
Rev 3
1/26
26
TS4995
1.2 W fully differential audio power amplifier
with selectable standby and 6 dB fixed gain
Features
■ Differential inputs
■ 90 dB PSRR @ 217 Hz with grounded inputs
■ Operates from VCC = 2.5 V to 5.5 V
■ 1.2 W rail-to-rail output power @ VCC=5 V,
THD+N=1%, F=1 kHz, with an 8
Ω load
■ 6 dB integrated fixed gain
■ Ultra-low consumption in standby mode
(10 nA)
■ Selectable standby mode (active low or active
high)
■ Ultra-fast startup time: 10 ms typ. at VCC=3.3 V
■ Available in 9-bump flip chip (300 mm bump
diameter)
■ Ultra-low pop and click
Applications
■ Mobile phones (cellular / cordless)
■ PDAs
■ Laptop / notebook computers
■ Portable audio devices
Description
The TS4995 is an audio power amplifier capable
of delivering 1.2 W of continuous RMS output
power into an 8
Ω load at 5 V. Thanks to its
differential inputs, it exhibits outstanding noise
immunity.
An external standby mode control reduces the
supply current to less than 10 nA. A STBY MODE
pin allows the standby pin to be active high or
low. An internal thermal shutdown protection is
also provided, making the device capable of
sustaining short-circuits.
The TS4995 features an internal fixed gain at 6dB
which reduces the number of external
components on the application board.
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 TS4995 is specifically designed for high
quality audio applications such as mobile phones
and requires few external components.
TS4995 - Flip chip 9
Pin connections (top view)
V
IN+
V
O-
V
CC
V
IN-
V
O+
Gnd
1
2
3
76
5
4
8
Bypass
Stdby
Stdby Mode
9
V
IN+
V
O-
V
CC
V
IN-
V
O+
Gnd
1
2
3
76
5
4
8
Bypass
Stdby
Stdby Mode
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4997 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2 x 1W differential input stereo audio amplifier with programmable 3D effects |
| TS4997IQT | 功能描述:音频放大器 Stereo w/3D effects RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TS4998 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2 x 1W differential input stereo audio amplifier |
| TS4998IQT | 功能描述:音频放大器 2X1W Differential Input Audio Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TS4999 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Filter-free stereo 2.8 W class D audio power amplifier with selectable 3D sound effects |
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