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参数资料
| 型号： | SI8244CB-C-IS1 |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 15/30页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO DRIVER PWM 16-SOIC |
| 标准包装： | 48 |
| 类型： | 音频驱动器 |
| 应用： | D 类音频放大器 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 管件 |
| 其它名称： | 336-2000-5 SI8244CB-B-IS1 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI8244CB-C-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 4A "D" Audio 10V UVLO PWM input |
| SI824X_11 | 制造商:SILABS 制造商全称:SILABS 功能描述:CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR |
| Si824xClassD-KIT | 功能描述:音频 IC 开发工具 Audio Class D Ref. Design using Si824x RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| SI8250 | 制造商:SILABS 制造商全称:SILABS 功能描述:DIGITAL POWER CONTROLLER |
| SI8250DK | 功能描述:电源管理IC开发工具 Development kit for Si8250/1/2 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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