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: 19/56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
26 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
1
D1
enable or disable AC/DC-load detection/start-up diagnostic
0 = AC-load or DC-load detection off/start-up diagnostic disabled
1 = AC-load or DC-load detection on/start-up diagnostic enabled
0
D0
enable or disable amplifier start
0 = amplifier off; pin DIAG remains LOW
1 = amplifier on; when power-on occurs, DB2[D7] is reset and
pin DIAG is released
Table 10.
Regulator 5 (display) output voltage control
Bit
Output (V)
D7
D6
D5
D4
00
000 (off)
00
016.0
00
107.0
00
118.2
01
009.0
01
019.5
01
1010.0
01
1110.4
10
0012.5
10
01
V
P 0.5 (switch)
10
10-
10
11-
11
00-
11
01-
11
10-
11
11-
Table 11.
Instruction byte IB2 bit description
Bit
Symbol
Description
7
D7
regulator 4 (mechanical drive) output voltage control; see Table 12
6D6
5D5
4
D4
regulator 3 (mechanical digital) control
0 = regulator 3 off
1 = regulator 3 on
3
D3
regulator 1 (audio) control; see Table 13
2D2
1
D1
enable or disable soft mute all amplifier channels
0 = soft mute off
1 = soft mute on
Table 9.
Instruction byte IB1 bit description …continued
Bit
Symbol
Description
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