参数资料
型号: TDF8553J
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 87 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM37
封装: PLASTIC, SOT725-1
文件页数: 10/47页
文件大小: 391K
代理商: TDF8553J
TDF8553J_1
NXP B.V. 2008. All rights reserved.
Objective data sheet
Rev. 01 — 3 December 2008
18 of 47
NXP Semiconductors
TDF8553J
4
× 50 Watt power amplier and multiple voltage regulator
Table 7.
Regulator 4 (mechanical drive) output voltage control
Bit
Output (V)
D7
D6
D5
0000 (off)
0015
0106
0117
1008.6
1018.0
Table 8.
Regulator 1 (audio) output voltage control
Bit
Output (V)
D3
D2
0
0 (off)
0
1
8.3
1
0
8.6
1
5.0
Table 9.
Instruction byte IB3 bit description
Bit
Symbol
Description
7
D7
clip detection level
0 = 4 % detection level
1 = 1 % detection level
6
D6
amplier channels 1 and 2 gain select
0 = 26 dB gain (normal mode)
1 = 20 dB gain (line-driver mode)
5
D5
amplier channels 3 and 4 gain select
0 = 26 dB gain (normal mode)
1 = 20 dB gain (line-driver mode)
4
D4
amplier thermal protection pre-warning
0 = warning at 145
°C
1 = warning at 122
°C
3
D3
disable channel 1
0 = enable channel 1
1 = disable channel 1
2
D2
disable channel 2
0 = enable channel 2
1 = disable channel 2
1
D1
disable channel 3
0 = enable channel 3
1 = disable channel 3
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