lm49370rl National Semiconductor Corporation, lm49370rl Datasheet - Page 57

• Manufacturer Part Number: lm49370rl
• Description: Audio Sub-system With An Ultra Low Emi, Spread Spectrum, Class D Loudspeaker Amplifier, A Dual-mode Stereo Headphone Amplifier, And A Dedicated Pcm Interface For Bluetooth Transceivers
• Manufacturer: National Semiconductor Corporation

Bits
Bits
Bits
Bits
Bits
Bits
7:0
7:0
7:0
7:0
7:0
7:0
For DAC_MODE = '00 and '01', the defaults should be sufficient; but for DAC_MODE = '10' and '11', care should be taken to ensure
the widest bandwidth is available without requiring such a large attenuation at DC that inband noise becomes audible.
Sample Rate
48kHz
48kHz
C0_MSB
C1_MSB
C2_MSB
C0_LSB
C1_LSB
C2_LSB
Field
Field
Field
Field
Field
Field
TABLE 40. Compensation Filter C0 MSBs (0x21h)
TABLE 42. Compensation Filter C1 MSBs (0x23h)
TABLE 44. Compensation Filter C2 MSBs (0x25h)
TABLE 39. Compensation Filter C0 LSBs (0x20h)
TABLE 41. Compensation Filter C1 LSBs (0x22h)
TABLE 43. Compensation Filter C2 LSBs (0x24h)
DAC_MODE
FIGURE 15. FIR Consumption Filter Taps
00
01
Bits 7:0 of C0[15:0]
Bits 15:8 of C0[15:0]
Bits 7:0 of C1[15:0]
Bits 15:8 of C1[15:0]
Bits 7:0 of C2[15:0]
Bits 15:8 of C2[15:0]
57
334
C0
61
–2291
–371
C1
Description
Description
Description
Description
Description
Description
26984
25699
C2
201917r3
–2291
–371
C3
www.national.com
343
C4
61