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參數資料
| 型號： | TPA2050D4YZKT |
| 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： | 26/29頁 |
| 文件大小： | 931K |
| 代理商： | TPA2050D4YZKT |
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TIMING CHARACTERISTICS
DEVICE RESET
SLOS544 – JULY 2008....................................................................................................................................................................................................... www.ti.com
For I
2C Interface Signals Over Recommended Operating Conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fSCLN
Frequency, SCL
No wait states
400
kHz
tW(H)
Pulse duration, SCL high
0.6
s
tW(L)
Pulse duration, SCL low
1.3
s
tsu1
Setup time, SDA to SCL
100
ns
th1
Hold time, SCL to SDA
10
ns
t(buf)
Bus free time between stop and start condition
1.3
s
tsu2
Setup time, SCL to start condition
0.6
s
th2
Hold time, start condition to SCL
0.6
s
tsu3
Setup time, SCL to stop condition
0.6
s
Figure 3. SCL and SDA Timing
Figure 4. Start and Stop Conditions Timing
Apply logic low to the RESET pin to deactivate the TPA2050D4 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 TPA2050D4 activates in soft shutdown mode, SWS bit at logic high.
6
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2050D4
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| TPA2051D3YFFT | 功能描述:音頻放大器 2.9W 3-Input Audio Subsystem 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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