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SSM3525 Datasheet(PDF) 39 Page - Analog Devices

Part # SSM3525
Description  30 W, Filterless, Class D, Output Sensing Audio Amplifier
PDF  60 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

SSM3525 Datasheet(HTML) 39 Page - Analog Devices

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Data Sheet
SSM3525
Rev. A | Page 39 of 60
Bits
Bit Name
Settings
Description
Reset
Access
[1:0]
ANA_GAIN
Amplifier Analog Gain Select
0x2
R/W
0
+13 dB (6.3x)
1
+16 dB (8.9x)
10
+19 dB (12.6x)
11
+21 dB (16x)
DAC CONTROL REGISTER
Address: 0x06, Reset: 0x32, Name: DAC_CTRL
DAC Hard Volum e
1: Hard/im m ediate volum e change.
0: Soft volum e ram ping.
DAC Sam ple Rate Selection
111: Res erved.
110: Res erved.
101: Res erved.
100: 128 kHz to 192 kHz s am ple rate.
011: 64 kHz to 96 kHz s am ple rate.
010: 32 kHz to 48 kHz s am ple rate.
001: 16 kHz to 24 kHz s am ple rate.
000: 8 kHz to 12 kHz s am ple rate.
DAC Mute Control
1: DAC m uted.
0: DAC unm uted.
DAC Output Polarity control
1: Invert the DAC output.
0: Norm al behavior.
DAC High Pas s Filter Enable
1: DAC high pas s filter on.
0: DAC high pas s filter off.
DAC Low Power Mode Enable
1: DAC low power m ode on.
0: DAC low power m ode off.
0
0
1
1
2
0
3
0
4
1
5
1
6
0
7
0
[7] DAC_HV (R/W)
[2:0] DAC_FS (R/W)
[6] DAC_MUTE (R/W)
[3] DAC_POL (R/W)
[5] DAC_HPF (R/W)
[4] DAC_LPM (R/W)
Table 28. Bit Descriptions for DAC_CTRL
Bits
Bit Name
Settings
Description
Reset
Access
7
DAC_HV
DAC Hard Volume
0x0
R/W
0
Soft volume ramping.
1
Hard/immediate volume change.
6
DAC_MUTE
DAC Mute Control
0x0
R/W
0
DAC unmuted.
1
DAC muted.
5
DAC_HPF
DAC High Pass Filter Enable
0x1
R/W
0
DAC high pass filter off.
1
DAC high pass filter on.
4
DAC_LPM
DAC Low Power Mode Enable
0x1
R/W
0
DAC low power mode off.
1
DAC low power mode on.
3
DAC_POL
DAC Output Polarity control
0x0
R/W
0
Normal behavior.
1
Invert the DAC output.
[2:0]
DAC_FS
DAC Sample Rate Selection
0x2
R/W
000
8 kHz to 12 kHz sample rate.
001
16 kHz to 24 kHz sample rate.
010
32 kHz to 48 kHz sample rate.
011
64 kHz to 96 kHz sample rate.
100
128 kHz to 192 kHz sample rate.
101
Reserved.
110
Reserved.
111
Reserved.



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