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PCM1774RGPT

Texas Instruments 数据采集 - 数模转换器
  • 封装：20-VFQFN 裸露焊盘
  • RoHS：无铅 / 符合限制有害物质指令(RoHS)规范要求
  • 包装方式：Digi-Reel®
  • 参考价格：$3.165-$4.32

更新日期：2024-04-01

PCM1774RGPT

Texas Instruments 数据采集 - 数模转换器

产品简介：具有 HP 放大器的 93dB SNR 低功耗立体声 DAC（软件控制）

查看详情
  • 封装：20-VFQFN 裸露焊盘
  • RoHS：无铅 / 符合限制有害物质指令(RoHS)规范要求
  • 包装方式：Digi-Reel®
  • 参考价格：$3.165-$4.32

PCM1774RGPT 供应商

  • 公司
  • 型号
  • 品牌
  • 封装/批号
  • 数量
  • 地区
  • 日期
  • 说明
  • 询价

PCM1774RGPT 中文资料属性参数

  • 产品培训模块：Data Converter Basics
  • 标准包装：1
  • 类别：集成电路 (IC)
  • 家庭：数据采集 - 数模转换器
  • 系列：-
  • 设置时间：-
  • 位数：16
  • 数据接口：串行
  • 转换器数目：2
  • 电压电源：模拟和数字
  • 功率耗散（最大）：33mW
  • 工作温度：-40°C ~ 85°C
  • 安装类型：表面贴装
  • 封装/外壳：20-VFQFN 裸露焊盘
  • 供应商设备封装：20-QFN 裸露焊盘（4x4）
  • 包装：®
  • 输出数目和类型：2 电压，单极
  • 采样率（每秒）：50k
  • 其它名称：296-22036-6

产品特性

  • Analog Front End:Stereo Single-Ended InputMicrophone Amplifier (12 dB, 20 dB)
  • Stereo Single-Ended Input
  • Microphone Amplifier (12 dB, 20 dB)
  • Analog Back End:Stereo/Mono Line Output With VolumeStereo/Mono Headphone Amplifier With Volume
  • Stereo/Mono Line Output With Volume
  • Stereo/Mono Headphone Amplifier With Volume
  • Analog Performance:Dynamic Range: 93 dB40-mW + 40-mW Headphone Output at RL = 16
  • Dynamic Range: 93 dB
  • 40-mW + 40-mW Headphone Output at RL = 16
  • Power Supply Voltage1.71 V to 3.6 V for Digital I/O Section1.71 V to 3.6 V for Digital Core Section2.4 V to 3.6 V for Analog Section2.4 V to 3.6 V for Power Amplifier Section
  • 1.71 V to 3.6 V for Digital I/O Section
  • 1.71 V to 3.6 V for Digital Core Section
  • 2.4 V to 3.6 V for Analog Section
  • 2.4 V to 3.6 V for Power Amplifier Section
  • Low Power Dissipation:6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz3.3 µW in Power Down
  • 6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz
  • 3.3 µW in Power Down
  • Sampling Frequency: 5 kHz to 50 kHz
  • Operation From a Single Clock Input Without PLL
  • System Clock:Common-Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
  • Common-Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
  • 2 (I2C™) or 3 (SPI) Wire Serial Control
  • Programmable Function by Register Control:Digital Attenuation: 0 dB to -62 dB Digital Gain of DAC: 0, 6, 12, 18 dBPower Up/Down Control for Each Module6-dB to -70-dB Gain for Analog Outputs0/12/20 dB for Microphone Input0-dB to -21-dB Gain for Analog MixingThree-Band Tone Control and 3D SoundAnalog Mixing Control
  • Digital Attenuation: 0 dB to -62 dB
  • Digital Gain of DAC: 0, 6, 12, 18 dB
  • Power Up/Down Control for Each Module
  • 6-dB to -70-dB Gain for Analog Outputs
  • 0/12/20 dB for Microphone Input
  • 0-dB to -21-dB Gain for Analog Mixing
  • Three-Band Tone Control and 3D Sound
  • Analog Mixing Control
  • Pop-Noise Reduction Circuit
  • Short Protection Circuit
  • Package: 4-mm × 4-mm QFN Package
  • Operation Temperature Range: -40°C to 85°C
  • APPLICATIONSPortable Audio Player, Cellular PhoneVideo Camcorder, Digital Still CameraPMP/DMB/PND
  • Portable Audio Player, Cellular Phone
  • Video Camcorder, Digital Still Camera
  • PMP/DMB/PND

产品概述

The PCM1774 is a low-power stereo DAC designed for portable digital audio applications. The device integrates headphone amplifier, line amplifier, line input, boost amplifier, programmable gain control, analog mixing, and sound effects. It is available in a small-footprint, 4-mm × 4-mm QFN package. The PCM1774 supports right-justified, left-justified, I2S, and DSP formats, providing easy interfacing to audio DSP and decoder/encoder chips. Sampling rates up to 50 kHz are supported. The user-programmable functions are accessible through a two- or three-wire serial control port.
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