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: 9/47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
17 of 47
NXP Semiconductors
TDF8553J
4
× 50 Watt power amplier and multiple voltage regulator
0
D0
amplier start enable (clear power-on reset ag D7 of DB2)
0 = amplier off; pin DIAG remains LOW
1 = amplier on; when power-on occurs, bit D7 of DB2 is reset and
pin DIAG is released
Table 5.
Regulator 5 (display) output voltage control
Bit
Output (V)
D7
D6
D5
D4
00000 (off)
00016.0
00107.0
00118.2
01009.0
01019.5
0110
10.0
0111
10.4
1000
12.5
1001
≤ VP 1 (switch)
10105.0
10113.3
Table 6.
Instruction byte IB2 bit description
Bit
Symbol
Description
7
D7
regulator 4 output voltage control; see Table 7
6D6
5D5
4
D4
regulator 3 (mechanical digital) control
0 = regulator 3 off
1 = regulator 3 on
3
D3
regulator 1 output voltage control; see Table 8
2D2
1
D1
soft mute all amplier channels (mute delay 20 ms)
0 = mute off
1 = mute on
0
D0
hard mute all amplier channels (mute delay 0.4 ms)
0 = mute off
1 = mute on
Table 4.
Instruction byte IB1 bit description …continued
Bit
Symbol
Description
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