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參數(shù)資料
| 型號： | ADAU1382BCPZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, ROHS COMPLIANT, MO-220VHHD2, LFCSP-32 |
| 文件頁數(shù)： | 24/84頁 |
| 文件大?。?/td> | 1193K |
| 代理商： | ADAU1382BCPZ |
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ADAU1382
Rev. 0 | Page 30 of 84
RECORD SIGNAL PATH
PGA
BEEP
PGA
LMIC/LMICN/
MICD1
LMICP
CM
PGA
RMIC/RMICN/
MICD2
RMICP
CM
DECIMATORS
LEFT
ADC
RIGHT
ADC
0
84
27
-02
9
Figure 30. Record Signal Path Diagram
INPUT SIGNAL PATH
The ADAU1382 can be configured for three types of microphone
inputs: single-ended, differential, or digital. The LMIC/LMICN/
MICD1 and RMIC/RMICN/MICD2 pins encompass all of these
configurations. LMICP and RMICP are used only during
differential configurations (see Figure 30, the record signal path
diagram).
Each analog input has individual gain controls (boost or cut). These
signals are routed to their respective right or left channel ADC.
Analog Microphone Inputs
For differential inputs, RMICN and RMICP denote the negative
and positive input for the right channel, respectively. LMICN
and LMICP denote the negative and positive input for the left
channel, respectively.
LMIC and RMIC inputs are single-ended line inputs. Together,
they can be used as a stereo single-ended input.
Digital Microphone Inputs
When a digital PDM microphone connected to the MICD1 or
MICD2 pin is used, Register 16392 (0x4008), digital microphone
and analog beep control, must be set appropriately to enable the
microphone input of choice. The MCKO output clock provides
the clock for the microphone and must be set accordingly in
Register 16384 (0x4000), clock control, depending on the
streaming PDM rate of the microphone.
The digital microphone signal bypasses the ADCs and is routed
directly into the decimation filters. The digital microphone and
ADCs share these decimation filters; therefore, both cannot be
used simultaneously.
Analog Beep Input
The BEEP pin is used for mono single-ended signals, such as a
beep warning. This signal bypasses the ADCs and the sound
engine and is mixed directly into any of the analog outputs.
A BEEP pin input can also be amplified or muted by a PGA, up
to 32 dB in Register 16392 (0x4008), digital microphone and analog
beep control. The beep input must be enabled in Register 16400
(0x4010), microphone bias control and beep enable.
Microphone Bias
The MICBIAS pin provides a voltage reference for electret
microphones. Register 16400 (0x4010), microphone bias
control and beep enable, sets the operation mode of this pin.
Example Configurations
TO DECIMATORS
PGA
LMIC/LMICN/
MICD1
LMICP
CM
PGA
RMIC/RMICN/
MICD2
RMICP
CM
0
84
27
-03
0
Figure 31. Stereo Digital Microphone Input Configuration
TO LEFT
ADC
TO RIGHT
ADC
PGA
LMIC/LMICN/
MICD1
LMICP
CM
PGA
RMIC/RMICN/
MICD2
RMICP
CM
0
84
27
-03
1
Figure 32. Single-Ended Input Configuration
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| ADAU1382BCPZ-R7 | 制造商:Analog Devices 功能描述:STEREO AUDIO CODEC FOR DIG STILL CAM - Tape and Reel 制造商:Analog Devices 功能描述:AUDIO CODEC |
| ADAU1401 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs |
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| ADAU1401AWBSTZ | 功能描述:IC AUDIO PROC 28/56BIT 48LQFP 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 標準包裝: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 |
| ADAU1401AWBSTZ-RL | 功能描述:IC AUDIO PROC 28/56BIT 48LQFP 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 標準包裝: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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