參數(shù)資料
型號(hào): ADAU1461WBCPZ-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 26/88頁(yè)
文件大?。?/td> 0K
描述: IC SIGMADSP 24BIT 96KHZ PLL 32
標(biāo)準(zhǔn)包裝: 5,000
系列: SigmaDSP®
類型: 音頻處理器
應(yīng)用: 車載音頻
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ
包裝: 帶卷 (TR)
ADAU1461
Rev. 0 | Page 32 of 88
Noise Gate Mode 2 (see Figure 42) is selected by setting the
NGTYP[1:0] bits to 10. In this mode, the ADAU1461 improves
the sound of the noise gate operation by first fading the PGA
gain over a period of about 100 ms to the minimum PGA gain
value. The ADAU1461 does not do a hard mute after the fade is
complete, so some small background noise will still exist.
Noise Gate Mode 3 (see Figure 43) is selected by setting the
NGTYP[1:0] bits to 11. This mode is the same as Mode 2 except
that at the end of the PGA fade gain interval, a digital mute is
performed. In general, this mode is the best-sounding mode,
because the audible effect of the digital hard mute is reduced by
the fact that the gain has already faded to a low level before the
mute occurs.
THRESHOLD
INPUT
ANALOG
GAIN
DIGITAL
MUTE
OUTPUT
INTERNAL
NOISE GATE
ENABLE SIGNAL
250ms
MIN GAIN
100ms
08
91
4-
02
9
THRESHOLD
INPUT
ANALOG
GAIN
DIGITAL
MUTE
OUTPUT
INTERNAL
NOISE GATE
ENABLE SIGNAL
Figure 42. Noise Gate Mode 2 (Analog Fade)
MIN GAIN
250ms
100ms
89
14
-0
30
0
Figure 43. Noise Gate Mode 3 (Analog Fade/Digital Mute)
相關(guān)PDF資料
PDF描述
SP3222EBCA-L/TR IC TXRX RS232 ESD TRUE 20SSOP
AD7657BSTZ-REEL IC ADC 14BIT 6CH 250KSPS 64-LQFP
LTC1867AIGN IC ADC 16BIT 8CH 200KSPS 16SSOP
SP211EHCT-L/TR IC TXRX RS232 MULTI-CH 28SOIC
CS44800-CQZR IC AMP CTLR DGTL 8CH 64-LQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADAU1462WBCPZ150 功能描述:32BIT SIGMADSP AUDIO 16K/48K 制造商:analog devices inc. 系列:* 包裝:管件 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:72-VFQFN 裸露焊盤,CSP 供應(yīng)商器件封裝:72-LFCSP(10x10) 標(biāo)準(zhǔn)包裝:1
ADAU1462WBCPZ150RL 功能描述:32BIT SIGMADSP AUDIO 16K/48K 制造商:analog devices inc. 系列:* 包裝:帶卷(TR) 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:72-VFQFN 裸露焊盤,CSP 供應(yīng)商器件封裝:72-LFCSP(10x10) 標(biāo)準(zhǔn)包裝:2,000
ADAU1462WBCPZ300 功能描述:32BIT SIGMADSP AUDIO 16K/48K 制造商:analog devices inc. 系列:* 包裝:管件 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:72-VFQFN 裸露焊盤,CSP 供應(yīng)商器件封裝:72-LFCSP(10x10) 標(biāo)準(zhǔn)包裝:1
ADAU1462WBCPZ300RL 功能描述:32BIT SIGMADSP AUDIO 16K/48K 制造商:analog devices inc. 系列:* 包裝:帶卷(TR) 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:72-VFQFN 裸露焊盤,CSP 供應(yīng)商器件封裝:72-LFCSP(10x10) 標(biāo)準(zhǔn)包裝:2,000
ADAU1463WBCPZ150 功能描述:32BIT SIGMADSP AUDIO 16K/48K 制造商:analog devices inc. 系列:* 包裝:管件 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:72-VFQFN 裸露焊盤,CSP 供應(yīng)商器件封裝:72-LFCSP(10x10) 標(biāo)準(zhǔn)包裝:1