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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： 16/47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
23 of 47
NXP Semiconductors
TDF8553J
4
× 50 Watt power amplier and multiple voltage regulator
11. Characteristics
Table 16.
Characteristics
Tamb =25 °C; VDCDC; VP = 14.4 V; RL =4 ; measured in the test circuit Figure 26; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Amplier section
Supply voltage behavior
VP(oper)
operating supply voltage
RL =4
8
14.4
18
V
RL =2
8
14.4
16
V
Iq(tot)
total quiescent current
no load
-
280
400
mA
Istb
standby current
-
10
50
A
VO
output voltage
DC
-
7.2
-
V
VP(low)(mute)
low supply voltage mute
6.5
7
8
V
Vhr
headroom voltage
when headroom protection is
activated; see Figure 4
-
1.4
-
V
VPOR
power-on reset voltage
see Figure 13
-
5.5
-
V
VO(offset)
output offset voltage
mute mode and power on
100
0
+100
mV
Mode select (pin STB)
VSTB
voltage on pin STB
standby mode
-
1.3
V
operating mode
2.5
-
5.5
V
mute mode
8
-
VP
V
II
input current
VSTB =5V
-
4
25
A
Start-up, shut-down and mute timing
twake
wake-up time
from standby before rst
I2C-bus transmission is
recognized; via pin STB; see
Figure 12
-
300
500
s
td(mute_off)
mute off delay time
via I2C-bus (IB1 bit D0);
CSVR =22 F; see Figure 12
-
250
-
ms
td(mute-on)
delay time from mute to on
soft mute; via I2C-bus
(IB2 bit D1 = 1 to 0)
10
25
40
ms
hard mute; via I2C-bus
(IB2 bit D0 = 1 to 0)
10
25
40
ms
via pin STB;
VSTB =8Vto4V
10
25
40
ms
td(on-mute)
delay time from on to mute
soft mute; via I2C-bus
(IB2 bit D1 = 0 to 1)
10
25
40
ms
hard mute; via I2C-bus
(IB2 bit D0 = 0 to 1)
-
0.4
1
ms
via pin STB;
VSTB =4Vto8V
-
0.4
1
ms
I2C-bus interface
VIL
LOW-level input voltage
on pins SCL and SDA
-
1.5
V
VIH
HIGH-level input voltage
on pins SCL and SDA
2.3
-
5.5
V
VOL
LOW-level output voltage
on pin SDA; Iload = 3 mA
-
0.4
V
fSCL
SCL clock frequency
-
400
kHz
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