TVS Diode Schottky Diode Rectifier Diode Light Emitting Diode Zener diode Varactor Diode Dual Common-Cathode Schottky Rectifier Bipolar Junction Transistor Triode for Alternating Current Silicon Controlled Rectifier Metal-Oxide-Semiconductor Field Effect Transistor Insulated Gate Bipolar Transistor Epitaxial Silicon Darlington Transistor Silicon Epitaxial Transistor DRAM SRAM Integrated Circuit Low-Dropout Regulator Y-Class Safety Capacitor X-Class Safety Capacitor Electrolytic Capacitor Solid-State Capacitor Tantalum MLCC Film Capacitors Supercapacitor Carbon Film Resistors Metal Film Resistors Metal Oxide Film Resistors Cement Resistors SMD Chip Resistors Variable Resistors Trimmer Resistors PTC Thermistor NTC Thermistor Photoresistors / LDR Varistors Resistor Network Resistor Pack Inrush Limiter Through-Hole Inductors Surface Mount Inductors Variable Inductor Common Mode Choke Toroidal Inductor Ceramic Resonators Crystal Oscillator / OSC / SPXO Crystal / XTAL Poly Fuse Fuse Slow-Blow Fuse SSR SPST SPDT DPST DPDT Reed Switch Wire to Power FPC Wire to Board Electronic module Ferrite Bead Transformer Photocoupler Bridge Rectifier Gas Discharge Tube Regulator Voltage Converter
X-None X-DR X-BR X-CR X-CA X-PCB X-GBJ X-GBU X-KBL X-KBU X-KBP X-KBPC X-MBF X-MBS X-ABS X-SMAF X-P600 AXIAL-0.3 AXIAL-0.4 AXIAL-0.5 AXIAL-0.6 AXIAL-0.7 AXIAL-0.8 AXIAL-0.9 AXIAL-1.0 AXIAL-1.1 AXIAL-1.2 AXIAL-1.3 AXIAL-1.4 AXIAL-1.5 SIP-5 SIP-6 SIP-7 SIP-8 SIP-9 SIP-10 SIP-12 DIP-4 DIP-6 DIP-7 DIP-8 DIP-10 DIP-12 DIP-14 DIP-16 DIP-18 DIP-20 DIP-22 DIP-24 DIP-28 DIP-32 DIP-36 DIP-40 DIP-48 DIP-52 DIP-64 DO-201AD DO-204AA DO-204AC DO-204AG DO-204AH DO-204AL DO-213 DO-214AA DO-214AC DO-214AB SOD-123 SOD-123FL SOD-323 SOD-523 TO-3P TO-126 TO-126F TO-3 TO-205AD TO-206AA TO-220AB TO-220AC TO-220-5 TO-220F TO-220F-2L TO-220F-5 TO-226AA TO-226AAS TO-226AAS-2 TO-226AAL TO-227 TO-247 TO-251 TO-252 TO-252-5 TO-262 TO-263 TO-264 SOT-23 SOT-23F SOT-23-5 SOT-23-6 SOT-89 SOT-143 SOT-223 SOT-323 SOT-343 SOT-363 SOT-416 SOT-416FL SOT-490 SOT-523 SOT-543 SOT-553 SOT-563 SOT-665 SOT-666 SOP-4 SOP-5 SOP-6 SOP-7 SOP-8 SOP-10 SOP-12 SOP-15 SOP-14 SOP-16 SOP-18 SOP-20 SOP-24 SOP-28 SOP-32 SOP-44 SOP-48 ESOP-12 MSOP-8 MSOP-10 MSOP-12 MSOP-14 MSOP-16 SSOP-8 SSOP-14 SSOP-16 SSOP-18 SSOP-20 SSOP-24 SSOP-28 SSOP-30 SSOP-32 TSOP-6 TSSOP-8 TSSOP-14 TSSOP-16 TSSOP-20 TSSOP-22 TSSOP-24 TSSOP-28 TSSOP-38 TSSOP-48 TSSOP-56 VSON-10 LCC-USP-6B CLCC-44 PLCC-4 PLCC-6 PLCC-20 PLCC-28 PLCC-32 PLCC-44 PLCC-52 PLCC-68 PLCC-84 ZIP-7 ZIP-11 ZIP-12 ZIP-15 ZIP-23 LGA-12 LGA-14 QFN-6 QFN-8 QFN-10 QFN-12 QFN-14 QFN-16 QFN-20 QFN-24 QFN-28 QFN-32 QFN-36 QFN-40 QFN-44 QFN-48 QFN-64 QFN-76 QFP-32 QFP-36 QFP-40 QFP-44 QFP-48 QFP-100 DFN-5x6-8 DFN-3x3-10 SMD-01005 SMD-0201 SMD-0402 SMD-0603 SMD-0805 SMD-1206 SMD-1210 SMD-1812 SMD-2010 SMD-2512 SMD-63×77 SMD-80×102 SMD-100x102 SMD-100×125 CON-Dupont CON-JST-XH CON-JST-SM CON-JST-SYP CON-JST-GH
Volatile Memory Non-Volatile Memory Microcontroller Unit Signal Processing Operational Amplifier Power Amplifier Analog Device Battery Management IC Power Management Regulator Rectifier Electronic Switch Power Driver Circuit Protect Fuse Electrical Isolation Noise Suppression Signal Level Shifting Resistor Capacitor Inductor Connector Switch
Package Marking Stock/Bin - SOP-20
PCM69AU
Type: Integrated Circuit
Function: Signal Processing
Series: PCM69✱U
Alias:
Comp. Pair:
Manufacturer:
Rated Voltage: 5V Introduction : 該系列最普及的標準量產改版(取代早期未帶 A 的 PCM69U,改善了數位偏移與類比校正精度)。
Series : 由美國 Burr-Brown(後被德州儀器 Texas Instruments 收購)推出的雙通道 18 位元音訊數位類比轉換器(Dual 18-Bit Audio DAC)。它們採用獨特的「R-2R 梯形電阻網路結合 1-Bit 類比校正」混合架構,常見於 1990 至 2000 年代的 CD 播放器、數位鋼琴(如 Yamaha Clavinova 系列)以及中高階音響設備中。
核心電氣與架構規格
• 解析度與通道數。 18-Bit(18 位元)雙聲道同步輸出,支援最高 16 倍超取樣(16x Oversampling)。
• 單一 +5V 供電。 類比與數位電源皆採用單一 +5V(4.75V 至 5.25V)供電,典型總消耗功率僅約 75mW。
• 優異的音訊動態指標。 閒置通道訊噪比(Idle Channel SNR)高達 110dB,滿刻度總諧波失真(THD)低至 0.0025%(-92dB)(K 等級)。
• 類比電流輸出。 內建左右聲道類比電流輸出(輸出範圍 ±1.2mA),需搭配外部運算放大器(I/V 轉換電路)轉為電壓訊號輸出。
• 封裝形式。 型號尾碼的「U」代表寬體 20-SOIC(SOP-20,寬度 7.50mm) 表面黏著封裝(若尾碼為 P 則代表 16-DIP 直插封裝)。
Datasheet
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