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參數(shù)資料
| 型號： | ADAU1461WBCPZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 29/88頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SIGMADSP 24BIT 96KHZ PLL 32 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 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： | 托盤 |
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ADAU1461
Rev. 0 | Page 35 of 88
MIXER 3
LEFT DAC
MX5G3[1:0]
Jack Detection
LINE OUTPUTS
When the JACKDET/MICIN pin is set to the jack detect func-
tion, a flag on this pin can be used to mute the line outputs
when headphones are plugged into the jack. This pin can be
configured in Register R2 (digital microphone/jack detection
control register, Address 0x4008). The JDFUNC[1:0] bits set the
functionality of the JACKDET/MICIN pin.
The line output pins (LOUTP, LOUTN, ROUTP, and ROUTN)
can be used to drive both differential and single-ended loads. In
their default settings, these pins can drive typical line loads of
10 kΩ or greater, but they can also be put into headphone mode
by setting the LOMODE bit in Register R31 (playback line output
left volume control register, Address 0x4025) and the ROMODE
bit in Register R32 (playback line output right volume control
register, Address 0x4026). In headphone mode, the line output
pins are capable of driving headphone and earpiece speakers of
16 Ω or greater. The output impedance of the line outputs is
approximately 1 kΩ.
Additional settings for jack detection include debounce time
(JDDB[1:0] bits) and detection polarity (JDPOL bit). Because
the jack detection and digital microphone share a pin, both
functions cannot be used simultaneously.
POP-AND-CLICK SUPPRESSION
When the line output pins are used in single-ended mode,
LOUTP and ROUTP should be used to output the signals, and
LOUTN and ROUTN should be left unconnected.
Upon power-up, precharge circuitry is enabled to suppress pops
and clicks. After power-up, the precharge circuitry can be put
into a low power mode using the POPMODE bit in Register R34
(playback pop/click suppression register, Address 0x4028).
The volume controls for these outputs range from 57 dB to
+6 dB. Slew can be applied to all the playback volume controls
using the ASLEW[1:0] bits in Register R34 (playback pop/click
suppression register, Address 0x4028).
The precharge time depends on the capacitor value on the CM
pin and the RC time constant of the load. For a typical line output
load, the precharge time is between 2 ms and 3 ms. After this
precharge time, the POPMODE bit can be set to low power mode.
The MX5G4[1:0], MX5G3[1:0], MX6G3[1:0], and MX6G4[1:0]
bits can all provide a 6 dB gain boost to the line outputs. This
gain boost allows single-ended output signals to achieve 0 dBV
(1.0 V rms) and differential output signals to achieve up to
6 dBV (2.0 V rms). For more information, see Register R26
(playback L/R mixer left (Mixer 5) line output control register,
Address 0x4020) and Register R27 (playback L/R mixer right
(Mixer 6) line output control register, Address 0x4021).
Changing any register settings that affect the signal path can
cause pops and clicks on the analog outputs. To avoid these pops
and clicks, mute the appropriate outputs using Register R29 to
Register R32 (Address 0x4023 to Address 0x4026). Unmute the
analog outputs after the changes are made.
MIXER 5
LOUTVOL[5:0]
LOUTP
MIXER 4
RIGHT DAC
MX6G4[1:0]
MIXER 6
ROUTVOL[5:0]
ROUTP
ROUTN
LOUTN
–1
08
91
4-
06
3
Figure 48. Differential Line Output Configuration
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| ADAU1461WBCPZ-R7 | 功能描述:IC SIGMADSP 24BIT 96KHZ PLL 32 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| ADAU1461WBCPZ-RL | 功能描述:IC SIGMADSP 24BIT 96KHZ PLL 32 RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
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| 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 |
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