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MAX97000 Datasheet(PDF) 27 Page - Maxim Integrated Products |
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MAX97000 Datasheet(HTML) 27 Page - Maxim Integrated Products |
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27 / 33 page 
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier 27 Distortion Limiter Power Management Table 5. Distortion Limiter Register Table 6. Power Management Register REGISTER BIT NAME DESCRIPTION 0x07 7 THDCLP Distortion Limit 6 VALUE 0000 0001–1001 1010 1011 1100 1101 1110 1111 THD LIMIT (%) Disabled P 4 P 5 P 6 P 8 P 11 P 12 P 15 5 4 0 THDT1 Distortion Release Time Constant 0 = 1.4s 1 = 2.8s REGISTER BIT NAME DESCRIPTION 0x08 7 SHDN Software Shutdown 0 = Device disabled 1 = Device enabled 6 LPMODE Low-Power Headphone Mode. Enables low-power headphone mode. When activated this mode directly connects the selected channel to the headphone amplifiers, bypassing the mixers and the volume control. Additionally, low-power mode disables the speaker path. 5 VALUE 00 01 10 11 INPUT Disabled INA (SE) Connected to the headphone output INB (SE) Connected to the headphone output INA (Diff) to HPL and INB (Diff) to HPR 4 SPKEN Speaker Amplifier Enable 0 = Disabled 1 = Enabled 2 HPLEN Left Headphone Amplifier Enable 0 = Disabled 1 = Enabled 1 HPREN Right Headphone Amplifier Enable 0 = Disabled 1 = Enabled 0 SWEN Analog Switch 0 = Open 1 = Closed |
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