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参数资料
| 型号： | TAS5101IDAPG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| 封装： | POWERPAD, PLASTIC, MO-153, HTSSOP-32 |
| 文件页数： | 13/14页 |
| 文件大小： | 185K |
| 代理商： | TAS5101IDAPG4 |
TAS5101
SLES039 – JUNE 2002
8
www.ti.com
audio application considerations (continued)
reconstruction output filter
An output reconstruction filter is required between the H-bridge outputs and the loudspeaker load. This second
order low-pass filter passes the audio information to the loudspeaker, while filtering out the high frequency
out-of-band information contained in the H-bridge output PWM pulses. The values of the L and C components
selected are dependent on the loudspeaker load impedance. See application note SLAA117.
fault indicator usage
The TAS5101 is a self-protecting device that provides device fault reporting, including over-temperature protect,
under-voltage lockout (low-regulator voltage), and short circuit protection. The short circuit protection protects
against short circuits that may occur at the loudspeaker load when configured according to the application note
SLAA117. The TAS5101 is not recommended for driving loads less than 4
, since the internal current limit
protection might be activated.
An under-voltage lockout signal occurs when an insufficient voltage level is present on the LDROUTA or
LDROUTB pins. During this condition gate drive levels are not sufficient for driving the power MOSFETs. Normal
operation is resumed when the minimum proper LDROUTA or LDROUTB level is obtained, and the low regulator
voltage protect signal is de-asserted. See the control/sense circuitry section for error and warning conditions.
A high temperature warning signal is asserted on pin ERR0 when the device temperature exceeds 125
°C
typical.
If the internal device temperature exceeds 150
°C typical, the over temperature protect signal is asserted and
the TAS5101 is shut down. The device will re-enable once the temperature drops to 125
°C typical. See the
control/sense circuitry section for error and warning conditions.
Detection of an illegal PWM input state or the loss of a clocking PWM input signal will cause an illegal PWM input
state signal to be asserted on the ERR1and ERR0 pins and will set the SHUTDOWN pin to the low state.
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
DC supply voltage range: DVDD to DVSS
–0.3 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PWM_AP, PWM_AM, PWM_BP, PWM_BM
–0.3 V to DVDD + 0.3 V
. . . . . . . . . . . . . . . . .
RESET, HiZ
–0.3 V to DVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PVDDA1 to PVSS, PVDDB1 to PVSS
–0.3 V to 28 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PVDDA2 to PVSS, PVDDB2 to PVSS
–0.3 V to 28 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output DMOS drain-to-source breakdown voltage
28 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ
–40
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds)
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
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| TAS5101IDAPR | 功能描述:音频放大器 Stereo Dig Amp Power Stage 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 |
| TAS5101IDAPRG4 | 功能描述:音频放大器 Stereo Dig Amp Power Stage 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 |
| TAS5102 | 制造商:TI 制造商全称:Texas Instruments 功能描述:20-W/15-W STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5102_1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:20-W/15-W STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5102DAD | 功能描述:音频放大器 20W Stereo PWM Inp Pwr Stage 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 |
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