PCM5141PW - 106dB Stereo Audio DAC | Texas Instruments
料号： PCM5141PW ✓ 量产中PCM5141PW 概述
An audio DAC is a mixed-signal semiconductor that converts digital PCM samples into left- and right-channel analog voltages suitable for audio amplifiers and line outputs. Within the broader hierarchy, it is an interface IC, an ADC/DAC component, and a digital-to-analog converter. PCM5141PW belongs to the PCM514x family, which combines a stereo DAC, digital audio interface, clocking functions, and programmable signal processing in one package.
Principal features include 2 V RMS DirectPath output, 106 dB dynamic range, 16-bit, 24-bit, and 32-bit audio word support, and operation with PCM data rates up to 384 kHz. The fully programmable miniDSP provides a means to implement digital audio filtering and equalization. DirectPath architecture is intended to simplify the analog output path while supporting high-fidelity audio reproduction.
The PCM514x family uses TI's advanced segment-DAC architecture, which is designed to provide strong dynamic performance and improved tolerance to clock jitter. The PCM interface accepts digital audio data while integrated control registers configure operating mode, data format, volume, and DSP behavior. Designers should use the pin-description table, register map, and application circuit in the PCM5141 manufacturer datasheet when assigning pins and configuring the digital interface.
Typical uses include hi-fi audio equipment, active speakers, network audio players, digital mixing consoles, headphone-amplifier front ends, soundbar signal paths, and consumer electronics requiring a stereo PCM-to-analog conversion stage. The 384 kHz capability also supports high-resolution audio designs when the source, clocking, and output circuitry support the corresponding data rate.
Power-supply design, analog and digital return paths, clock jitter, and output-current capability remain critical to realized audio performance. Place decoupling capacitors close to the supply pins, keep analog and digital ground returns well controlled, and use the datasheet's recommended output network. This page also organizes package information, verified manufacturer sources, practical design guidance, and compatible PCM514x-family options for faster engineering evaluation.
直接替换替代料： PCM5141PW ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PCM5141PW （相同外形与封装尺寸） ——差异在于 Dynamic Range, Package.
PCM5142PW
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →PCM5143PW
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PCM5144PW
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PCM5140PW
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PCM5141PWR
✅ 直接替换📋 参考替代料（不在目录中）
PCM5141PW 最大额定值与电气特性
| Product Type | Stereo audio digital-to-analog converter |
| 输出配置 | 2-channel stereo |
| DirectPath Output Level | 2 V RMS |
| Dynamic Range | 106 dB |
| Maximum PCM Sample Rate | 384 kHz |
| Supported Audio Word Lengths | 16 bit, 24 bit, 32 bit |
| Digital Audio Interface | PCM interface |
| Signal Processing | Fully programmable miniDSP |
| DAC Architecture | Segment-DAC architecture |
| 封装 | TSSOP (PW), 28 pins |
| 安装类型 | Surface mount |
PCM5141PW tssop (pw), 28 pins 引脚配置指南
PCM5141PW（tssop (pw), 28 pins 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： PCM5141PW.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PCM5141PW 适用于 6 应用s: Hi-Fi Network Audio Player, Digital Mixing Console, Active Speaker USB Interface, Digital Headphone Amplifier Front End, Soundbar Audio Signal Path, Portable Bluetooth Speaker.
Hi-Fi Network Audio Player
The PCM5141PW fits the final digital-to-analog stage of a high-resolution network player because it accepts 16-, 24-, or 32-bit PCM data at rates up to 384 kHz and provides 2 V RMS stereo DirectPath output with 106 dB dynamic range. The converter can sit directly between the digital audio receiver and an analog line-output or headphone-amplifier stage. Its fully programmable miniDSP supports digital filtering or equalization without requiring a separate DSP for basic processing. Designers should provide clean clocking, low-impedance analog output routing, and supply decoupling close to the device. The 384 kHz capability is useful only when the source, transport, master clock, and downstream analog circuitry support the same high-resolution mode.
推荐
Digital Mixing Console
A digital mixing console can use PCM5141PW for each stereo monitor or line-output channel because it combines a 32-bit PCM interface, 106 dB dynamic range, and 2 V RMS stereo output in a compact 28-pin TSSOP package. The programmable miniDSP can apply channel-specific filtering or equalization, while DirectPath output reduces the number of external output components required. Place the converter close to the channel output connector or line driver to minimize analog trace length and susceptibility to interference. The design must account for the converter's power requirements, output-current capability, supported clocking, and the grounding strategy described in the PCM5141 datasheet.
推荐
Active Speaker USB Interface
The PCM5141PW is suitable for the analog side of a USB active speaker because it accepts digital PCM audio and provides a 2 V RMS stereo output suitable for feeding a power-amplifier stage. Its 106 dB dynamic range supports high-fidelity reproduction, while the programmable miniDSP can implement speaker-specific crossover or tonal adjustments before the signal reaches the amplifier. In a USB implementation, clock synchronization and ground separation between the digital interface and analog output are especially important. Keep the DAC output path away from USB data lines and place analog bypass capacitors close to the converter.
推荐
Digital Headphone Amplifier Front End
PCM5141PW can serve as the stereo DAC ahead of a headphone amplifier in a digital headphone product. Its 2 V RMS DirectPath output provides a strong signal level for the downstream amplifier, while the 106 dB dynamic range and programmable miniDSP support high-quality conversion and response adjustment. The implementation should use the manufacturer's recommended output network and verify the converter's output-current and load-drive limits against the selected amplifier input. Short analog traces, controlled return paths, and carefully separated clock and audio routing help preserve low-noise operation and channel balance.
推荐
Soundbar Audio Signal Path
The PCM5141PW can provide the main stereo PCM-to-analog conversion path in a soundbar or compact home-theater audio product. Its 384 kHz maximum PCM rate accommodates high-resolution source formats, and its fully programmable miniDSP allows response shaping without a separate fixed-function equalizer IC. The converter's 2 V RMS output is useful when driving a line-input amplifier or mixer stage. Design the board with short analog outputs, stable clock distribution, and a power supply that satisfies the DAC's analog and digital rail requirements while maintaining low converter noise.
推荐
Portable Bluetooth Speaker
A Bluetooth speaker can use PCM5141PW after the wireless audio decoder to produce a clean stereo analog signal, particularly when the design supports higher-resolution codecs or local digital volume processing. The device's 106 dB dynamic range and programmable miniDSP provide useful headroom and response adjustment, while the 28-pin TSSOP package supports compact layouts. Power efficiency and analog-output loading must be evaluated carefully in a portable product. Place bypass capacitors near the device, keep the digital clock and radio activity away from the analog outputs, and select downstream amplification according to the DAC's supported load.
推荐
推荐产品汇总
工程参考数据： PCM5141PW ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PCM5142PW | PCM5143PW | PCM5144PW | PCM5140PW | PCM5141PWR |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | TSSOP (PW), 28 pins | TSSOP (PW), 28 pins | TSSOP (PW), 28 pins | TSSOP (PW), 28 pins | TSSOP (PW), 28 pins | TSSOP (PW), 28 pins |
| Product Type | Stereo audio DAC | Stereo audio DAC | Stereo audio DAC | Stereo audio DAC | Stereo audio DAC | Stereo audio DAC |
| Digital Audio Interface | PCM interface | PCM interface | PCM interface | PCM interface | PCM interface | PCM interface |
关键差异点
- High-resolution stereo conversion in a 28-pin package （对比 PCM5140PW)
- Programmable digital processing for audio customization （对比 PCM5142PW)
- Exact electrical configuration with a flexible orderable format （对比 PCM5141PWR)
设计说明
Route the PCM data, clock, and control signals according to the manufacturer application diagram, and keep the analog outputs short and away from digital switching nodes. Place the DAC close to the output connector or line-driver stage when possible. A clear separation between digital and analog return paths reduces the chance that clock edges or data activity will couple into the stereo output. Review the final PCB against the PCM5141 datasheet pin configuration and recommended layout.
Implement the required analog and digital supply rails with the minimum specified bypass capacitance placed directly beside the corresponding PCM5141PW pins. Use a supply topology that provides low-impedance return paths and avoids routing converter current through sensitive analog-output ground areas. Confirm the supported input-voltage range, allowable supply combinations, and power-up behavior in the PCM5141 manufacturer datasheet before finalizing the schematic.
Treat the master and system clocks as high-quality signal paths even when the segment-DAC architecture improves jitter tolerance. Use short routes, suitable return paths, and a source whose frequency and jitter characteristics support the selected 384 kHz operating mode. Avoid unnecessary stubs and test points on sensitive clock nets. Validate channel synchronization, output stability, and recovered performance at the intended sampling rates with the completed board.
Do not assume that two PCM514x-family part numbers are register-identical. Before substituting a family member, compare the power-up mode, digital-filter options, attenuation behavior, miniDSP functions, pin electrical characteristics, and software-control sequence. For PCM5141PWR, confirm that the customer accepts the changed orderable shipping suffix. A package match alone is not enough to establish functional equivalence.
合规信息
The available manufacturer product and distributor records do not state the individual compliance status for PCM5141PW. Confirm RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals declarations for the exact orderable MPN before qualification.
