LC07424LP datasheet(21/32 Pages) SANYO

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LC07424LP

No.A1619-21/32

Line input circuits

ALC_LI_L: ACL LIne select Left channel

ALC_LI_R: ALC LIne select Right channel

ADRS

Bit

Name

INIT

Description

[4]

ALC_LI_L

Lch Line input selection

1: Selection

0: Non-selection (LIN_L pin enters the OPEN state.)

02h

[0]

ALC_LI_R

Rch Line input selection

1: Selection

0: Non-selection (LIN_R pin enters the OPEN state.)

ALC circuit settings

ALC_VAL

: ALC VALue

ALC_FA

: ALC Factor Attack

ALC_FR

: ALC Factor Recovery

ALC_ZCD

: ALC Zero Cross Detect

ALC_ZCDTM

: ALC Zero Cross Detect TiMe out

ALC_FULLEN : ALC FULL scale detect ENable

ALC_ATLIM

: ALC ATtack LIMit

ALC_RWT

: ALC Recovery Waiting Time

ALC_OFF

: ALC operation OFF

ALC_VMAX

: ALC Value MAX

ALC_MUTE_L : ALC MUTE Left channel

ALC_DVL

: ALC Digital Value Left channel

ALC_MUTE_R : ALC MUTE Right channel

ALC_DVR

: ALC Digital Value Right channel

ADRS

Bit

Name

INIT

Description

[7:5]

ALC_VAL[2:0]

001b

ALC circuit, ALC value (limiter level) setting *1

111:-10dBFS 110: -9dBFS 101: -8dBFS 100: -7dBFS

011: -6dBFS 010: -5dBFS 001: -4dBFS 000: -3dBFS

[4:3]

ALC_FA[1:0]

11b

ALC circuit, Attack factor setting

Gain DOWN amount at fs cycle *2

11: (1 / 8)dB 10: (1 / 4)dB 01: (1 / 2)dB 00: (1 / 1)dB

03h

[2:0]

ALC_FR[2:0]

101b

ALC circuit、Recovery factor setting

Gain UP amount at fs cycle *3

111: (1 / 2^14)dB 110: (1 / 2^13)dB 101: (1 / 2^12)dB 100: (1 / 2^11)dB

011: (1 / 2^10)dB 010: (1 / 2^9)dB 001: (1 / 2^8)dB 000: (1 / 2^7)dB

‹*1› For example, -10dBFS (dB Full Scale) is on the level 10 dB lower than the Full Scale.

‹*2› For example, [ALC_FA] = 11b causes 1 dB gain DOWN at the eight cycle of fs.

‹*3› For example, [ALC_FR] = 111b causes 1 dB gain UP at the 2^14 (=16384) cycle of fs.

LC07424LP Datasheet(PDF) 21 Page - Sanyo Semicon Device

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