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参数资料
| 型号： | TAS5121DKDR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 100 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | GREEN, PLASTIC, HSSOP-36 |
| 文件页数： | 18/21页 |
| 文件大小： | 591K |
| 代理商： | TAS5121DKDR |
TAS5121
SLES086A NOVEMBER 2003 REVISED MARCH 2004
www.ti.com
6
ELECTRICAL CHARACTERISTICS
PVDD_X = 30.5 V, GVDD_x = 12 V, DVDD connected to DREG via a 100-
resistor, RL = 4 , 8X fs = 384 kHz, TAS5026 PWM processor,
unless otherwise noted
TYPICAL
OVER TEMPERATURE
SYMBOL
PARAMETER
TEST CONDITIONS
TA=25°C
TA=25°C TC=75°C
UNITS
MIN/TYP/
MAX
INTERNAL VOLTAGE REGULATOR AND CURRENT CONSUMPTION
DREG
Voltage regulator
Io = 1 mA
3.3
V
Min
DREG
Voltage regulator
Io = 1 mA
3.3
V
Max
IGVDD_x
Total GVDD supply current, operating
fS = 384 kHz, no load,
50% duty cycle
24
30
mA
Max
IDVDD
DVDD supply current, operating
fS = 384 kHz, no load
1
5
mA
Max
OUTPUT STAGE MOSFETs
RDSon,LS Forward on-resistance, low side
TJ = 25°C
120
132
m
Max
RDSon,HS Forward on-resistance, high side
TJ = 25°C
120
132
m
Max
INPUT/OUTPUT PROTECTION
Vuvp,G
Undervoltage protection limit, GVDD
7.6
7
V
Min
Vuvp,G
Undervoltage protection limit, GVDD
7.6
8.2
V
Max
OTW
Overtemperature warning
Static
115
°C
Typ
OTE
Overtemperature error
Static
150
°C
Typ
OC
Overcurrent protection
See Note 1.
9.5
A
Min
STATIC DIGITAL INPUT SPECIFICATION, PWM, PROTECTION MODE SELECTION PINS AND OUTPUT MODE SELECTION PINS
VIH
High-level input voltage
2
V
Min
VIH
High-level input voltage
DVDD
V
Max
VIL
Low-level input voltage
0.8
V
Max
Leakage
Input leakage current
10
A
Min
Leakage
Input leakage current
10
A
Max
OTW/SHUTDOWN (SD)
Internal pullup resistor from OTW and
SD to DVDD
32
22
k
Min
VOL
Low-level output voltage
IO = 1 mA
0.4
V
Max
(1) To optimize device performance and prevent overcurrent (OC) protection activation, the demodulation filter must be designed with special care.
See Demodulation Filter Design in the Application Information section of the data sheet and consider the recommended inductors and capacitors
for optimal performance. It is also important to consider PCB design and layout for optimum performance of the TAS5121.
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| TAS5121DKD | 100 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
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| TAS5121IDKDRE4 | 100 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| TAS5121IDKDR | 100 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TAS5121DKDRE4 | 功能描述:音频放大器 TAS5121 Digital 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 |
| TAS5121I | 制造商:TI 制造商全称:Texas Instruments 功能描述:DIGITAL AMPLIIFIER POWER STAGE |
| TAS5121IDKD | 功能描述:音频放大器 Digital Amplifier 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 |
| TAS5121IDKDE4 | 功能描述:音频放大器 Digital Amplifier 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 |
| TAS5121IDKDR | 功能描述:音频放大器 Digital Amplifier 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 |
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