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TDF8544 参数 Datasheet PDF下载

TDF8544图片预览
型号: TDF8544
PDF下载: 下载PDF文件 查看货源
内容描述: [I2C-bus controlled 4*50 W power amplifier]
分类和应用:
文件页数/大小: 54 页 / 501 K
品牌: NXP [ NXP ]
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TDF8544  
NXP Semiconductors  
I2C-bus controlled 4 50 W power amplifier  
Table 20. Characteristics …continued  
Refer to test circuit (see Figure 30) at Tamb = 25 C; VP = 14.4 V; unless otherwise specified. Tested at Tamb = 25 C;  
guaranteed for Tj = 40 C to +150 C; functionality is guaranteed for VP < 10 V unless otherwise specified.  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
THD  
total harmonic distortion  
Po = 1 W to 12 W; fi = 1 kHz;  
-
0.01  
0.1  
%
RL = 4   
Po = 1 W to 12 W; fi = 10 kHz  
-
-
0.2  
0.4  
%
%
line driver mode; Vo = 1 V RMS  
and 4 V RMS  
0.02  
0.05  
low gain mode; Po = 1 W to 12 W;  
-
0.01  
0.1  
%
fi = 1 kHz; RL = 4   
[4]  
cs  
channel separation  
RS = 1 k; RACGND = 250   
fi = 1 kHz  
65  
55  
55  
80  
65  
70  
-
-
-
dB  
dB  
dB  
fi = 10 kHz  
[4]  
[4]  
SVRR  
CMRR  
supply voltage ripple  
rejection  
100 Hz to 10 kHz; RS = 1 k;  
ACGND = 250 ; tested at VP =  
10.5 V  
R
common mode rejection  
ratio  
amplifier mode; Vcm = 0.3 V (p-p);  
fi = 1 kHz to 3 kHz, RS = 1 k;  
RACGND = 250   
common mode input to  
differential output (VO(dif) / VI(cm)  
+ 26 dB)  
55  
50  
65  
58  
-
-
dB  
dB  
common mode input to  
common mode output  
(VO(cm) / VI(cm) + 26 dB)  
[5]  
Vo  
output voltage variation  
plop during switch-on and  
switch-off  
from off to mute and mute to off  
-
-
-
-
7.5  
7.5  
mV  
mV  
from mute to on and on to mute  
(soft mute)  
from off to on and on to off  
(start-up diagnostic enabled)  
-
-
7.5  
mV  
Vn(o)  
output noise voltage  
filter 20 Hz to 22 kHz (6th order);  
RS = 1 k  
mute mode  
-
15  
25  
25  
43  
40  
26  
23  
V  
V  
V  
V  
V  
dB  
line driver mode  
-
33  
line driver mode; RS = 50   
amplifier mode  
-
33  
-
65  
amplifier mode; RS = 50   
single-ended in to differential out  
-
60  
Gv(amp)  
Gv(ld)  
Zi  
voltage gain amplifier  
mode  
25.5  
26.5  
voltage gain line driver  
mode  
single-ended in to differential out  
15.5  
16  
16.5  
dB  
input impedance  
Tamb = 40 C to +105 C  
Tamb = 0 C to 105 C  
Vo / Vo(mute); Vi = 50 mV  
38  
55  
80  
62  
62  
92  
99  
99  
-
k  
k  
dB  
mute  
mute attenuation  
TDF8544  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2011. All rights reserved.  
Product data sheet  
Rev. 2 — 29 August 2011  
37 of 54  
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