參數(shù)資料
型號(hào)： ADAU1961WBCPZ-R7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 14/76頁(yè)
文件大?。?/td> 0K
描述： IC STEREO AUD CODEC LP 32LFCSP
標(biāo)準(zhǔn)包裝： 1,500
類型： 音頻編解碼器
數(shù)據(jù)接口： I²C，串行，SPI?
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 無
S/N 比，標(biāo)準(zhǔn) ADC / DAC (db)： 98 / 98
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 96 / 98
電壓 - 電源，模擬： 2.97 V ~ 3.63 V
電壓 - 電源，數(shù)字： 2.97 V ~ 3.63 V
工作溫度： -40°C ~ 105°C
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-EP（5x5）
包裝： 帶卷 (TR)
Data Sheet
ADAU1961
Rev. A | Page 21 of 76
THEORY OF OPERATION
The ADAU1961 is a low power audio codec that offers high
quality audio, low power, small size, and many advanced
features. The stereo ADC and stereo DAC each have an SNR
of at least +98 dB and a THD + N of at least 90 dB. The serial
data port is compatible with I2S, left-justified, right-justified, and
TDM modes for interfacing to digital audio data. The operating
voltage is 3.3 V, with an on-board regulator generating the
internal digital supply voltage.
The record signal path includes very flexible input configurations
that can accept differential and single-ended analog microphone
inputs as well as a digital microphone input. A microphone bias
pin provides seamless interfacing to electret microphones. Input
configurations can accept up to six single-ended analog signals
or variations of stereo differential or stereo single-ended signals
with two additional auxiliary single-ended inputs. Each input
signal has its own programmable gain amplifier (PGA) for volume
adjustment and can be routed directly to the playback path output
mixers, bypassing the ADCs. An automatic level control (ALC)
can also be implemented to keep the recording volume constant.
The ADCs and DACs are high quality, 24-bit Σ-Δ converters
that operate at selectable 64× or 128× oversampling ratios. The
base sampling rate of the converters is set by the input clock rate
and can be further scaled with the converter control register
settings. The converters can operate at sampling frequencies
from 8 kHz to 96 kHz. The ADCs and DACs also include very
fine-step digital volume controls.
The playback path allows input signals and DAC outputs to be
mixed into various output configurations. Headphone drivers
are available for a stereo headphone output, and the other output
pins are capable of differentially driving an earpiece speaker.
Capless headphone outputs are possible with the use of the
mono output as a virtual ground connection. The stereo line
outputs can be used as either single-ended or differential
outputs and as an optional mix-down mono output.
The ADAU1961 can generate its internal clocks from a wide
range of input clocks by using the on-board fractional PLL.
The PLL accepts inputs from 8 MHz to 27 MHz.
The ADAU1961 is provided in a small, 32-lead, 5 mm × 5 mm
LFCSP with an exposed bottom pad.
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ADAU1961WBCPZ-RL 功能描述:IC STEREO AUD CODEC LP 32LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR)
ADAU1962AWBSTZ 制造商:Analog Devices 功能描述:AUTOMOTIVE HIGH PERFORMANCE 12 DAC - Trays 制造商:Analog Devices 功能描述:IC DAC 80LQFP 制造商:Analog Devices 功能描述:DAC 24 BITS 48KHZ SPI LQFP 制造商:Analog Devices 功能描述:DAC, 24BIT, 192KSPS, LQFP-80, Resolution (Bits):24bit, Sampling Rate:192kSPS, Input Channel Type:Differential, Single Ended, Supply Voltage Range:3.14V to 3.46V, Digital IC Case Style:LQFP, No. of Pins:80, Data Interface:I2C, SPI
ADAU1962AWBSTZ-RL 功能描述:24 Bit Digital to Analog Converter 12 80-LQFP (14x14) 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):有效 位數(shù):24 數(shù)模轉(zhuǎn)換器數(shù):12 建立時(shí)間:- 輸出類型:Voltage - Unbuffered 差分輸出:是 數(shù)據(jù)接口:I2C， SPI 參考類型:內(nèi)部 電壓 - 電源，模擬:3.14 V ~ 3.46 V 電壓 - 電源，數(shù)字:2.25 V ~ 3.46 V INL/DNL（LSB）:- 架構(gòu):三角積分 工作溫度:-40°C ~ 125°C 封裝/外殼:80-LQFP 供應(yīng)商器件封裝:80-LQFP（14x14） 標(biāo)準(zhǔn)包裝:1,000
ADAU1962WBSTZ 功能描述:24 Bit Digital to Analog Converter 12 80-LQFP (14x14) 制造商:analog devices inc. 系列:- 包裝:托盤 零件狀態(tài):有效 位數(shù):24 數(shù)模轉(zhuǎn)換器數(shù):12 建立時(shí)間:- 輸出類型:Voltage - Unbuffered 差分輸出:是 數(shù)據(jù)接口:I2C， SPI 參考類型:內(nèi)部 電壓 - 電源，模擬:3.14 V ~ 3.46 V 電壓 - 電源，數(shù)字:2.25 V ~ 3.46 V INL/DNL（LSB）:- 架構(gòu):三角積分 工作溫度:-40°C ~ 125°C 封裝/外殼:80-LQFP 供應(yīng)商器件封裝:80-LQFP（14x14） 標(biāo)準(zhǔn)包裝:90
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