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參數資料
| 型號： | TPA2054D4YZKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25 |
| 封裝： | 2.61 X 2.61 MM, GREEN, DSBGA-25 |
| 文件頁數： | 25/28頁 |
| 文件大小： | 949K |
| 代理商： | TPA2054D4YZKR |
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DEVICE RESET
OPERATING CHARACTERISTICS
SLOS607 – APRIL 2009 ..................................................................................................................................................................................................... www.ti.com
Figure 3. SCL and SDA Timing
Figure 4. Start and Stop Conditions Timing
Apply logic low to the RESET pin to deactivate the TPA2054D4 and return all I2C registers to their default state.
This clears the LIM_Lock bit to logic low, allowing changes to the headphone output limiter byte. Refer to the
Register Map section for a complete list of default states. The I2C registers cannot be programmed until RESET
returns to logic high. RESET requires a 1 ms minimum hold time at logic low for a valid reset command.
On power-up, ensure that the DVDD and VDDHP voltages have settled and DVDD is at least 1.7V before setting
RESET to logic high. The TPA2054D4 activates in soft shutdown mode, SWS bit at logic high.
VDD = 3.6 V, TA = 25°C, RSPEAKER = 8 + 33 H, RHEADPHONES = 16 , Total HP Gain = 6 dB, Total Class-D Gain = 6 dB,
MODE[2:0] = 001 (single-ended mode)(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER AMPLIFIER
THD = 1%, VDD = 3.6 V, f = 1 kHz
700
mW
PO
Speaker output power
THD = 10%, VDD = 3.6 V, f = 1 kHz
860
mW
THD = 1%, VDD = 4.2 V, f = 1 kHz
940
mW
VOS
Offset Voltage
VDD = 5.5 V
–13
5
13
mV
Output impedance in shutdown
2
k
SNR
Signal-to-noise ratio
PO = 250 mW;
90
dB
En
Noise output voltage
Total gain = 0 dB; A-weighted
22
V
RMS
VDD = 5.0 V, PO = 1 W, f = 1 kHz
0.18
%
THD+N
Total harmonic distortion plus noise
VDD = 3.6 V, PO = 0.6 W, f = 1 kHz
0.25
%
6
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA2054D4
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相關代理商/技術參數 |
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| TPA2054D4YZKT | 功能描述:音頻放大器 1.4 W/Ch Stereo Class-D Aud Subsys RoHS:否 制造商:STMicroelectronics 產品: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 |
| TPA2080D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.2 W Constant Output Power Class-D Audio Amplifier with Class-G Boost Converter |
| TPA2080D1YZGEVM | 功能描述:音頻 IC 開發工具 TPA2080D1 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA2080D1YZGR | 功能描述:音頻放大器 2.2W Const Out Pwr Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| TPA2080D1YZGT | 功能描述:音頻放大器 2.2W Const Out Pwr Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
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