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| 型号： | ADAU1761BCPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/92页 |
| 文件大小： | 0K |
| 描述： | IC SIGMADSP CODEC PLL 32LFCSP |
| 设计资源： | Stereo Digital Microphone Input Using ADAU1761 and ADMP421 (CN0078) |
| 标准包装： | 5,000 |
| 系列： | SigmaDSP® |
| 类型： | 音频编解码器 |
| 数据接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 数量： | 2 / 2 |
| 三角积分调变： | 是 |
| 电压 - 电源，模拟： | 1.8 V ~ 3.65 V |
| 电压 - 电源，数字： | 1.63V ~ 3.65V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 32-LFCSP-VQ |
| 包装： | 带卷 (TR) |
| 配用： | EVAL-ADAU1761Z-ND - BOARD EVAL FOR ADAU1761 |
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SigmaDSP Stereo, Low Power, 96 kHz,
24-Bit Audio Codec with Integrated PLL
ADAU1761
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2009–2010 Analog Devices, Inc. All rights reserved.
FEATURES
SigmaDSP 28-/56-bit, 50 MIPS digital audio processor
Fully programmable with SigmaStudio graphical tool
24-bit stereo audio ADC and DAC: >98 dB SNR
Sampling rates from 8 kHz to 96 kHz
Low power: 7 mW record, 7 mW playback, 48 kHz at 1.8 V
6 analog input pins, configurable for single-ended or
differential inputs
Flexible analog input/output mixers
Stereo digital microphone input
Analog outputs: 2 differential stereo, 2 single-ended stereo,
1 mono headphone output driver
PLL supporting input clocks from 8 MHz to 27 MHz
Analog automatic level control (ALC)
Microphone bias reference voltage
Analog and digital I/O: 1.8 V to 3.65 V
I2C and SPI control interfaces
Digital audio serial data I/O: stereo and time-division
multiplexing (TDM) modes
Software-controllable clickless mute
Software power-down
GPIO pins for digital controls and outputs
32-lead, 5 mm × 5 mm LFCSP
40°C to +85°C operating temperature range
APPLICATIONS
Smartphones/multimedia phones
Digital still cameras/digital video cameras
Portable media players/portable audio players
Phone accessories products
GENERAL DESCRIPTION
The ADAU1761 is a low power, stereo audio codec with
integrated digital audio processing that supports stereo 48 kHz
record and playback at 14 mW from a 1.8 V analog supply. The
stereo audio ADCs and DACs support sample rates from 8 kHz
to 96 kHz as well as a digital volume control.
The SigmaDSP core features 28-bit processing (56-bit double
precision). The processor allows system designers to compensate
for the real-world limitations of microphones, speakers, amplifiers,
and listening environments, resulting in a dramatic improvement
in the perceived audio quality through equalization, multiband
compression, limiting, and third-party branded algorithms.
The SigmaStudio graphical development tool is used to program
the ADAU1761. This software includes audio processing blocks
such as filters, dynamics processors, mixers, and low level DSP
functions for fast development of custom signal flows.
The record path includes an integrated microphone bias circuit
and six inputs. The inputs can be mixed and muxed before the
ADC, or they can be configured to bypass the ADC. The
ADAU1761 includes a stereo digital microphone input.
The ADAU1761 includes five high power output drivers (two
differential and three single-ended), supporting stereo head-
phones, an earpiece, or other output transducer. AC-coupled
or capless configurations are supported. Individual fine level
controls are supported on all analog outputs. The output mixer
stage allows for flexible routing of audio.
FUNCTIONAL BLOCK DIAGRAM
HP JACK
DETECTION
REGULATOR
INPUT
MIXERS
ALC
MICROPHONE
BIAS
PLL
LINN
LINP
LAUX
JACKDET/MICIN
RINP
RINN
RAUX
MICBIAS
LHP
LOUTN
LOUTP
ADAU1761
RHP
MONOOUT
ROUTP
ROUTN
CM
IOV
D
DG
ND
DV
D
DO
UT
AG
ND
AV
D
AV
D
AG
ND
OUTPUT
MIXERS
DAC
DIGITAL
FILTERS
ADC
DIGITAL
FILTERS
DAC
ADC
SDA/
COUT
I2C/SPI
CONTROL PORT
SERIAL DATA
INPUT/OUTPUT PORTS
MCLK
A
DC
_S
D
A
TA
/
GP
IO1
BC
LK
/
GP
IO2
SCL/
CCLK
ADDR1/
CDATA
ADDR0/
CLATCH
L
RCL
K
/
GP
IO3
DA
C_
S
DA
T
A/
GP
IO0
07
68
0-
00
1
Figure 1.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADAU1772BCPZ | 功能描述:接口—CODEC Low Latency Noise and Power CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| ADAU1772BCPZ-R7 | 功能描述:接口—CODEC Low Latency Noise and Power CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| ADAU1772BCPZ-RL | 功能描述:接口—CODEC Low Latency Noise and Power CODEC RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| ADAU1777BCBZRL | 功能描述:LOW LATENCY NOISE AND POWER CODE 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:在售 类型:音频 数据接口:I2C，SPI? 分辨率（位）:24 b ADC/DAC 数:4 / 2 三角积分:无 信噪比，ADC/DAC（db）（典型值）:102 / 108 动态范围，ADC/DAC（db）（典型值）:- 电压 - 电源，模拟:1.71 V ~ 3.63 V 电压 - 电源，数字:1.045 V ~ 1.98 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:36-WFBGA，WLCSP 供应商器件封装:36-WLCSP（3.77x3.20） 标准包装:5,000 |
| ADAU1781 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Noise Stereo Codec with SigmaDSP Processing Core |
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