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参数资料
| 型号： | ADAU1961WBCPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/76页 |
| 文件大小： | 0K |
| 描述： | IC STEREO AUD CODEC LP 32LFCSP |
| 标准包装： | 5,000 |
| 类型： | 音频编解码器 |
| 数据接口： | I²C，串行，SPI? |
| 分辨率（位）： | 24 b |
| ADC / DAC 数量： | 2 / 2 |
| 三角积分调变： | 无 |
| S/N 比，标准 ADC / DAC (db)： | 98 / 98 |
| 动态范围，标准 ADC / DAC (db)： | 96 / 98 |
| 电压 - 电源，模拟： | 2.97 V ~ 3.63 V |
| 电压 - 电源，数字： | 2.97 V ~ 3.63 V |
| 工作温度： | -40°C ~ 105°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-EP（5x5） |
| 包装： | 带卷 (TR) |
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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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| 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:- 包装:带卷（TR） 零件状态:有效 位数:24 数模转换器数:12 建立时间:- 输出类型:Voltage - Unbuffered 差分输出:是 数据接口:I2C， SPI 参考类型:内部 电压 - 电源，模拟:3.14 V ~ 3.46 V 电压 - 电源，数字:2.25 V ~ 3.46 V INL/DNL（LSB）:- 架构:三角积分 工作温度:-40°C ~ 125°C 封装/外壳:80-LQFP 供应商器件封装:80-LQFP（14x14） 标准包装: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:- 包装:托盘 零件状态:有效 位数:24 数模转换器数:12 建立时间:- 输出类型:Voltage - Unbuffered 差分输出:是 数据接口:I2C， SPI 参考类型:内部 电压 - 电源，模拟:3.14 V ~ 3.46 V 电压 - 电源，数字:2.25 V ~ 3.46 V INL/DNL（LSB）:- 架构:三角积分 工作温度:-40°C ~ 125°C 封装/外壳:80-LQFP 供应商器件封装:80-LQFP（14x14） 标准包装:90 |
| ADAU1962WBSTZRL | 功能描述:24 Bit Digital to Analog Converter 12 80-LQFP (14x14) 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:有效 位数:24 数模转换器数:12 建立时间:- 输出类型:Voltage - Unbuffered 差分输出:是 数据接口:I2C， SPI 参考类型:内部 电压 - 电源，模拟:3.14 V ~ 3.46 V 电压 - 电源，数字:2.25 V ~ 3.46 V INL/DNL（LSB）:- 架构:三角积分 工作温度:-40°C ~ 125°C 封装/外壳:80-LQFP 供应商器件封装:80-LQFP（14x14） 标准包装:1,000 |
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