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参数资料
| 型号： | TDF8554J/N4 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 44 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37 |
| 封装： | PLASTIC, SOT725-1, 37 PIN |
| 文件页数： | 25/56页 |
| 文件大小： | 597K |
| 代理商： | TDF8554J/N4 |
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TDF8554J
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 31 August 2011
31 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
[1]
When IB5[D3] = 1 (read out of the speaker fault), the shorted load protection still operates. If a shorted load
occurs, the channel switches off for 15 ms, an internal latch is set and pin DIAG is pulled LOW. The shorted
load internal latch (DBx[D3]) can be read when IB5[D3] = 0. Data bits are only reset (cleared after read)
after reading all 4 data bytes.
Table 20.
Data byte DB2 bit description
Bit
Symbol
Description
7
D7
enable or disable amplifier
0 = amplifier on
1 = POR has occurred; amplifier off
6
D6
regulator thermal protection pre-warning
0 = no warning
1 = regulator temperature too high; amplifier off
5
D5
channel 2 load detection results; see Table 18
4D4
3
D3
channel 2 diagnostic results; see Table 19
2
D2
channel 2 output offset
0 = no output offset
1 = output offset
1
D1
channel 2 VP short-circuit detection
0 = no short-circuit to VP
1 = short-circuit to VP
0
D0
channel 2 short-circuit to ground detection
0 = no short-circuit to ground
1 = short-circuit to ground
Table 21.
Data byte DB3 bit description
Bit
Symbol
Description
7
D7
supply undervoltage (level set by IB4[D6])
0 = no supply undervoltage has occurred
1 = supply undervoltage has occurred
6
D6
supply overvoltage
0 = no supply overvoltage has occurred
1 = supply overvoltage has occurred
5
D5
channel 3 load detection results; see Table 18
4D4
3
D3
channel 3 diagnostic results; see Table 19
2
D2
channel 3 output offset
0 = no output offset
1 = output offset
1
D1
channel 3 VP short-circuit detection
0 = no short-circuit to VP
1 = short-circuit to VP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDF8590TH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:2 X 80 W SE (4 OHM) or 1 X 160 W BTL (8 OHM) class-D amplifier |
| TDF8590TH/N1,118 | 功能描述:音频放大器 AMPLIFIER CLASS D 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 |
| TDF8590TH/N1S,118 | 功能描述:音频放大器 4/8 OHM CLASS D AMP 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 |
| TDF8590TH/N1-T | 功能描述:音频放大器 AMPLIFIER CLASS D 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 |
| TDF8590TH/N1TJ | 制造商:NXP Semiconductors 功能描述:- Tape and Reel |
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