產品詳細資料

Number of ADC channels 2 Number of DAC channels 2 Digital audio interface DSP, I2S, L, R Analog inputs 6 Analog outputs 5 Sampling rate (max) (kHz) 50 Rating Catalog Features Automatic level control (ALC), Notch filter ADC SNR (typ) (dB) 90 DAC SNR (typ) (dB) 93 Operating temperature range (°C) -40 to 85
Number of ADC channels 2 Number of DAC channels 2 Digital audio interface DSP, I2S, L, R Analog inputs 6 Analog outputs 5 Sampling rate (max) (kHz) 50 Rating Catalog Features Automatic level control (ALC), Notch filter ADC SNR (typ) (dB) 90 DAC SNR (typ) (dB) 93 Operating temperature range (°C) -40 to 85
VQFN (RHB) 32 25 mm² 5 x 5
  • Analog Front End:
    • Stereo Single-Ended Input With Multiplexer
    • Mono Differential Input
    • Stereo Programmable Gain Amplifier
    • Microphone Amplifier (20 dB) and Bias
  • Analog Back End:
    • Stereo/Mono Line Output With Volume
    • Stereo/Mono Headphone Amplifier With Volume and Capless Mode
    • Stereo/Mono Digital Speaker Amplifier (BTL) With Volume
  • Analog Performance:
    • Dynamic Range: 93 dB (DAC)
    • Dynamic Range: 90 dB (ADC)
    • 40-mW + 40-mW Headphone Output at RL = 16
  • Power Supply Voltage
    • 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:
    • 7 mW in Playback, 1.8 V/2.4 V, 48 kHz
    • 13 mW in Record, 1.8 V/2.4 V, 48 kHz
    • 3.3 µW in Power Down
  • Sampling Frequency: 5 kHz to 50 kHz
  • Automatic Level Control for Recording
  • 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
  • Headphone Plug Insert Detection
  • 2 (I2C) or 3 (SPI) Wire Serial Control
  • Programmable Function by Register Control:
    • Digital Attenuation of DAC: 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
    • 30-dB to -12-dB Gain for Analog Inputs
    • 0/20 dB Selectable for Microphone Input
    • 0-dB to -21-dB Gain for Analog Mixing
    • Parameter Settings for ALC
    • Three-Band Tone Control and 3D Sound
    • High-Pass Filter: 4-, 120-, 240-Hz
    • Two-Stage Programmable Notch Filter
    • Analog Mixing Control
  • Pop-Noise Reduction Circuit
  • Short and Thermal Protection Circuit
  • Package: 5-mm × 5-mm QFN Pacakge
  • Operation Temperature Range: -40°C to 85°C
  • APPLICATIONS
    • Portable Audio Player, Cellular Phone
    • Video Camcorder, Digital Movie/Still Camera
    • PMP/DMB

  • Analog Front End:
    • Stereo Single-Ended Input With Multiplexer
    • Mono Differential Input
    • Stereo Programmable Gain Amplifier
    • Microphone Amplifier (20 dB) and Bias
  • Analog Back End:
    • Stereo/Mono Line Output With Volume
    • Stereo/Mono Headphone Amplifier With Volume and Capless Mode
    • Stereo/Mono Digital Speaker Amplifier (BTL) With Volume
  • Analog Performance:
    • Dynamic Range: 93 dB (DAC)
    • Dynamic Range: 90 dB (ADC)
    • 40-mW + 40-mW Headphone Output at RL = 16
  • Power Supply Voltage
    • 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:
    • 7 mW in Playback, 1.8 V/2.4 V, 48 kHz
    • 13 mW in Record, 1.8 V/2.4 V, 48 kHz
    • 3.3 µW in Power Down
  • Sampling Frequency: 5 kHz to 50 kHz
  • Automatic Level Control for Recording
  • 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
  • Headphone Plug Insert Detection
  • 2 (I2C) or 3 (SPI) Wire Serial Control
  • Programmable Function by Register Control:
    • Digital Attenuation of DAC: 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
    • 30-dB to -12-dB Gain for Analog Inputs
    • 0/20 dB Selectable for Microphone Input
    • 0-dB to -21-dB Gain for Analog Mixing
    • Parameter Settings for ALC
    • Three-Band Tone Control and 3D Sound
    • High-Pass Filter: 4-, 120-, 240-Hz
    • Two-Stage Programmable Notch Filter
    • Analog Mixing Control
  • Pop-Noise Reduction Circuit
  • Short and Thermal Protection Circuit
  • Package: 5-mm × 5-mm QFN Pacakge
  • Operation Temperature Range: -40°C to 85°C
  • APPLICATIONS
    • Portable Audio Player, Cellular Phone
    • Video Camcorder, Digital Movie/Still Camera
    • PMP/DMB

The PCM3793A/94A is a low-power stereo CODEC designed for portable digital audio applications. The device integrates stereo digital speaker amplifier, headphone amplifier, line amplifier, line input, boost amplifier, microphone bias, programmable gain control, analog mixing, sound effects, and automatic level control (ALC). It is available in a small-footprint, 5-mm × 5-mm QFN package. The PCM3793A/94A 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.

The PCM3793A/94A is a low-power stereo CODEC designed for portable digital audio applications. The device integrates stereo digital speaker amplifier, headphone amplifier, line amplifier, line input, boost amplifier, microphone bias, programmable gain control, analog mixing, sound effects, and automatic level control (ALC). It is available in a small-footprint, 5-mm × 5-mm QFN package. The PCM3793A/94A 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.

下載 觀看有字幕稿的影片 影片

您可能會感興趣的類似產品

open-in-new 比較替代產品
功能相似於所比較的產品
TLV320AIC3107 現行 具整合式單聲道 D 類放大器的低功耗立體聲道轉碼器 Higher Output Power (on Mono Speaker)
TLV320AIC3263 現行 具 miniDSP、D 類揚聲器、DirectPath 耳機和 4 個數位麥克風支援的低功耗立體聲道音訊轉碼器 SNR of 101/93dB (DAC/ADC), 192kHz sampling frequency, Class-D speaker amplifier
TLV320AIC3268 現行 TLV320AIC3268 超低功耗立體聲道音訊編轉碼器 SNR of 105/95dB (DAC/ADC), 192kHz sampling frequency, Class-D speaker amplifier

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件,然後再試一次。
檢視所有 2
類型 標題 日期
* Data sheet 16-Bit Low Power Stereo Audio CODEC w/Microphone Bias Headphone Digit Speakr Amp datasheet (Rev. A) 2007年 2月 5日
EVM User's guide DEM-DAI3793A/3794A EVM User's Guide 2007年 7月 26日

設計與開發

如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發模組 (EVM) 的 GUI

SLAC140 PCM3793A/94AEVM - Graphical User Interface (GUI) Software (v1.2.0a)

支援產品和硬體

支援產品和硬體

產品
音訊轉碼器
PCM3793A 具耳機/D 類揚聲器放大器、陷波濾波器、ALC 和 3D 效果的超低功耗立體聲道轉碼器 PCM3794A 具耳機放大器、陷波濾波器、ALC 和 3D 效果的超低功耗立體聲道轉碼器
模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
封裝 引腳 下載
VQFN (RHB) 32 檢視選項

訂購與品質

內含資訊:
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 資格摘要
  • 進行中可靠性監測
內含資訊:
  • 晶圓廠位置
  • 組裝地點

建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

內容係由 TI 和社群貢獻者依「現狀」提供,且不構成 TI 規範。檢視使用條款

若有關於品質、封裝或訂購 TI 產品的問題,請參閱 TI 支援。​​​​​​​​​​​​​​

影片