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: 20/56页
文件大小: 597K
代理商: TDF8554J/N4
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
27 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
0
D0
enable or disable fast mute all amplifier channels
0 = fast mute off
1 = fast mute on
Table 12.
Regulator 4 (mechanical drive) output voltage control
Bit
Output (V)
D7
D6
D5
0000 (off)
0015.0
0106.0
0117.0
1008.6
101-
110-
111-
Table 13.
Regulator 1 (audio) output voltage control
Bit
Output (V)
D3
D2
00
0 (off)
01
8.3
10
8.5
11
8.7
Table 14.
Instruction byte IB3 bit description
Bit
Symbol
Description
7
D7
clip detection level (can be overruled by IB4[D7])
0 = 5 % detection level
1 = 2 % detection level
6
D6
front channels 1 and 3 gain select
0 = 26 dB gain
1 = 16 dB gain
5
D5
rear channels 2 and 4 gain select
0 = 26 dB gain
1 = 16 dB gain
4
D4
temperature pre-warning level
0 = warning level at Tj(AV)(pwarn) = 160 C
1 = warning level at Tj(AV)(pwarn) = 135 C
3
D3
enable or disable channel 1 (RF)
0 = enable channel 1
1 = disable channel 1
Table 11.
Instruction byte IB2 bit description …continued
Bit
Symbol
Description
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