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參數(shù)資料
| 型號： | SI8241CB-B-IS1 |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 15/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AUDIO DRIVER PWM 16-SOIC |
| 標(biāo)準(zhǔn)包裝： | 48 |
| 類型： | 音頻驅(qū)動器 |
| 應(yīng)用： | D 類音頻放大器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC N |
| 包裝： | 管件 |
| 其它名稱： | 336-1998-5 |
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Si824x
22
Rev. 1.0
3.8. Programmable Dead Time and Overlap Protection
All high-side/low-side drivers (Si8241/4) include programmable overlap protection to prevent outputs VOA and
VOB from being high at the same time. These devices also include programmable dead time, which adds a user-
programmable delay between transitions of VOA and VOB. When enabled, dead time is present on all transitions,
even after overlap recovery. The amount of dead time delay (DT) is programmed by a single resistor (RDT)
connected from the DT input to ground per Equation 5. Minimum dead time (approximately 400 ps) can be
achieved by connecting the DT pin to VDDI. Note that dead time accuracy is limited by the resistor’s (RDT)
tolerance and temperature coefficient. See Figures 37 and 38 for additional information about dead time operation.
Equation 5.
Figure 37. Dead Time vs.Resistance (RDT)
Figure 38. Dead Time vs.Temperature
DT
10
RDT
where:
DT
dead time (ns)
and
RDT
dead time programming resistor (k
=
0
100
200
300
400
500
600
700
800
900
1000
0
20
40
60
80
100
Dead-
time
(ns)
Dead-time Resistance (k
:
:)
0
10
20
30
40
50
60
70
80
90
100
-40
-20
0
20
40
60
80
100
120
Dead-time
(ns)
Temperature (
°C)
R
DT = 4k
R
DT = 10k
R
DT = 3
k
R
DT = 5k
R
DT = 6k
R
DT = 2
k
R
DT = 1
k
R
DT =0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI8241CB-B-IS1R | 制造商:Silicon Laboratories Inc 功能描述:CLASS D AUDIO DRIVER - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC AUDIO DRIVER PWM 16-SOIC 制造商:Silicon Laboratories Inc 功能描述:2.5kV .5A "D" Audio Drvr 10V UVLO PWM in |
| SI-8243B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SWITCHING VOLTAGE REGULATOR |
| Si8244 | 制造商:SILABS 制造商全稱:SILABS 功能描述:CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR |
| Si8244BB-B-IS1 | 功能描述:音頻放大器 2.5kV 4A Class D Audio Driver 8V UVLO RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| Si8244BB-C-IS1 | 功能描述:音頻放大器 2.5kV 4A Class D Audio Driver 8V UVLO RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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