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: 23/56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
3 of 56
NXP Semiconductors
TDF8554J
4
45 W power amplifier with multiple voltage regulator
3.
Quick reference data
Table 1.
Quick reference data
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Amplifiers
VP(oper)
operating supply voltage RL = 4
614.4
18
V
Iq
quiescent current
no load
-
260
350
mA
no load; VP =7V
-
190
-
mA
Po
output power
RL =4 ; VP = 14.4 V; maximum power;
Vi = 2 V RMS square wave
37
40
-
W
RL =4 ; VP = 14.4 V; THD = 0.5 %
18
20
-
W
RL =4 ; VP = 14.4 V; THD = 10 %
23
25
-
W
RL =2 ; VP = 14.4 V; THD = 10 %
40
44
-
W
RL =2 ; VP = 14.4 V; maximum power;
Vi = 2 V RMS square wave
58
64
-
W
THD
total harmonic distortion
Po =1Wto12W; fi = 1 kHz; RL =4
-0.01
0.1
%
Vn(o)
output noise voltage
filter 20 Hz to 22 kHz (6th order); RS =50
amplifier mode
-
40
60
V
line driver mode
-
25
33
V
Voltage regulators
Supply
VP
supply voltage
regulators 1, 3, 4 and 5 on
10.0
14.4
18
V
regulator 2 on
40
-
V
jump start for t < 10 minutes
-
30
V
load dump protection for t
50 ms and
tr 2.5 ms
--
50
V
overvoltage for shut-down
20
-
V
Iq(tot)
total quiescent current
standby mode; VP = 14.4 V
-
150
190
A
Regulator 1
VO(reg)
regulator output voltage
0.5 mA
I
O 400 mA; 12 V < VP <18V;
selectable via I2C-bus
IB2[D3:D2] = 01
7.9
8.3
8.7
V
IB2[D3:D2] = 10
8.1
8.5
8.9
V
IB2[D3:D2] = 11
8.3
8.7
9.1
V
Regulator 2
VO(reg)
regulator output voltage
0.5 mA
I
O 350 mA; 10 V VP 18 V
TDF8554J/N4
3.1
3.3
3.5
V
TDF8554J/N2
4.75
5.0
5.25
V
Regulator 3
VO(reg)
regulator output voltage
0.5 mA
I
O 300 mA; 10 V VP 18 V
3.1
3.3
3.5
V
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