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参数资料
| 型号： | TS4962EIJT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封装： | LEAD FREE, FLIP CHIP, 9 PIN |
| 文件页数： | 1/37页 |
| 文件大小： | 834K |
| 代理商： | TS4962EIJT |
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PRELIMINARY DATA
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
Rev 5
August 2005
1/37
37
TS4962
3W Filter-free Class D Audio Power Amplifier
■ Operating from Vcc=2.4V to 5.5V
■ Standby mode active low
■ Output power: 3W into 4
and 1.75W into 8
with 10% THD+N max and 5V power supply.
■ Output power: 2.3W @5V or 0.75W @ 3.0V
into 4
with 1% THD+N max.
■ Output power: 1.4W @5V or 0.45W @ 3.0V
into 8
with 1% THD+N max.
■ Adjustable gain via external resistors
■ Low current consumption 2mA @ 3V
■ Efficiency: 88% typ.
■ Signal to noise ratio: 85dB typ.
■ PSRR: 63dB typ. @217Hz with 6dB gain
■ PWM base frequency: 250kHz
■ Low pop & click noise
■ Thermal shutdown protection
■ Available in flip-chip 9 x 300
m (Pb-free)
Description
The TS4962 is a differential class-D BTL power
amplifier. It is able to drive up to 2.3W into a 4
load and 1.4W into a 8
load at 5V. It achieves
outstanding efficiency (88%typ.) compared to
traditional AB-class audio amps.
The gain of the device can be controlled via two
external
gain-setting
resistors.
Pop
&
click
reduction circuitry provides low on/off switch noise
while allowing the device to start within 5ms. A
standby function (active low) allows the reduction
of current consumption to 10nA typ.
Applications
■ Cellular Phone
■ PDA
■ Notebook PC
Order Codes
Block diagram
In-
Stdby
In+
Out-
Out+
Vcc
C2
C1
A1
A2
A3
B1
B2
B3
C3
GND
Internal
Bias
PWM
Output
Bridge
H
Oscillator
150k
+
-
300k
V
DD
1/A1
7/C1
8/C2
9/C3
4/B1
6/B3
2/A2
3/A3
5/B2
V
DD
IN
-
IN
+
GND
STBY
GND
OUT
+
OUT
-
V
DD
1/A1
7/C1
8/C2
9/C3
4/B1
6/B3
2/A2
3/A3
5/B2
V
DD
IN
-
IN
+
GND
STBY
GND
OUT
+
OUT
-
IN+: positive differential input
IN-: negative differential input
VDD: analog power supply
GND: power supply ground
STBY: standby pin (active low)
OUT+: positive differential output
OUT-: negative differential output
TS4962EIJT — Flip-chip
Part Number
Temperature Range
Package
Packaging
Marking
TS4962EIJT
-40, +85°C
Lead-Free Flip-Chip
Tape & Reel
A62
TS4962EIKJT
-40, +85°C
Lead-Free + Back Coating
Tape & Reel
A62
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| TS4962EIKJT | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| TS4962EKIJT | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| TS4962IJT | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| TS4962IQT | 2.8 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS4962EKIJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3W Filter-free Class D Audio Power Amplifier |
| TS4962IJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3W Filter-free Class D Audio Power Amplifier |
| TS4962IQ | 制造商:STMicroelectronics 功能描述: |
| TS4962IQT | 功能描述:音频放大器 3W Class D w/standby 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 |
| TS4962M | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3W filter-free class D audio power amplifier |
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