ak4373 ETC-unknow, ak4373 Datasheet - Page 48

• Manufacturer Part Number: ak4373
• Description: Low Power Stereo Dac With Hp/spk-amp
• Manufacturer: ETC-unknow

[Filter Coefficient Setting Example]
1) HPF block
2) LPF block
3) FIL3 block
4) EQ block
MS0991-E-00
Example: fs=44.1kHz, fc=100Hz
F1A[13:0] bits = 01 1111 1100 0110
F1B[13:0] bits = 10 0000 0111 0100
Example: fs=44.1kHz, fc=10kHz
F2A[13:0] bits = 01 0001 0010 1100
F2B[13:0] bits = 00 0010 0101 0111
Example: fs=44.1kHz, fc=4kHz, Gain=-6dB, F3AS bit = “1” (LPF)
F3A[13:0] bits = 00 0011 1010 0010
F3B[13:0] bits = 10 1110 1000 0000
Example: fs=44.1kHz, fc
EQA[15:0] bits = 0000 1001 0110 1110
EQB[13:0] bits = 10 0001 0101 1001
EQC[15:0] bits = 1111 1001 1110 1111
Gain[dB]
+8dB
1
=300Hz, fc
fc
1
2
=3000Hz, Gain=+8dB
fc
2
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Frequency
[AK4373]
2008/09