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AD52070 Datasheet(PDF) 30 Page - Elite Semiconductor Memory Technology Inc.

Part # AD52070
Description  2x30W Stereo / 1x60W Mono Class-D Audio Amplifier With Low Idle Current and AGC
PDF  33 Pages
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Manufacturer  ESMT [Elite Semiconductor Memory Technology Inc.]
Direct Link  http://www.esmt.com.tw/index.asp
Logo ESMT - Elite Semiconductor Memory Technology Inc.

AD52070 Datasheet(HTML) 30 Page - Elite Semiconductor Memory Technology Inc.

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ESMT
AD52070
Elite Semiconductor Microelectronics Technology Inc.
Publication Date: Oct. 2021
Revision: 1.1
30/33
 AM avoidance
To reduce interference in the AM radio band, AD52070 has the ability to change the
switching frequency by the pins of AM1 and AM0. The recommended frequencies are
listed in table 6. The fundamental frequency and its second harmonic straddle the AM
radio band listed. This eliminates the tones that can be present due to the switching
frequency being demodulated by the AM radio.
Table 6. AM Frequencies
US AM Frequency
(KHz)
European AM Frequency
(KHz)
Switching frequency
(KHz)
AM1
AM0
-
522~540
400
0
0
540~917
540~914
500
0
1
917~1125
914~1122
400
0
0
1125~1375
1122~1373
500
0
1
1375~1547
1373~1548
400
0
0
1547~1700
1548~1701
500
0
1



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