PCM54KP - 16-Bit Audio DAC, Parallel Input, 28-DIP | Texas Instruments
料号： PCM54KP ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
PCM54KP 概述
A DAC is a data-conversion IC that transforms a digital audio code into a proportional analog voltage or current. In the signal hierarchy, the PCM54KP is a parallel-input audio DAC, a digital-to-analog converter, a data converter, and a semiconductor. It is intended for high-resolution audio reconstruction when a parallel digital word is available and analog performance matters more than integration, software configuration, or small package size.
The K-grade designation is important because the verified datasheet result identifies −92 dB total harmonic distortion specifically for this grade. The parallel interface exposes the digital word directly rather than accepting serial audio data, allowing it to pair with a digital audio source or logic system that already supplies the required parallel data. Its dual-supply operation supports bipolar analog signal handling without converting the output to a single-supply format.
The device offers 16-bit resolution and typical 15-bit monotonicity, while its stated 3 µs settling time and 96 dB dynamic range are useful indicators for audio reconstruction. The PCM54KP should not be confused with modern audio DACs that include digital audio interfaces, integrated clocking, volume control, or onboard filtering; its implementation is centered on the converter core and external system integration.
Typical uses include digital audio playback, studio and professional audio equipment, digital mixer signal paths, laboratory audio instrumentation, and legacy audio systems that already use parallel digital words. Because the package is a 28-pin DIP, the part is also suited to through-hole prototypes and repair work rather than compact surface-mount designs.
The primary design consideration is system-level signal conditioning. Designers should preserve the converter’s specified supply arrangement, provide suitable bypass and reference decoupling, route analog and digital signals carefully, and verify timing against the 3 µs settling-time requirement. External reconstruction filtering, output buffering, grounding, and power-supply cleanliness can materially affect the usable audio performance.
This page consolidates the verified PCM54KP specifications, source links, lifecycle information, and engineering context into one reference. It also separates the K-grade converter data from assumptions and identifies where a true pin-to-pin replacement cannot be established from the supplied cross-reference results.
PCM54KP 最大额定值与电气特性
| Product Type | 16-bit monolithic digital-to-analog converter |
| 分辨率 | 16 bits |
| Input Interface | Parallel |
| Monotonicity | 15 bits typical |
| Total Harmonic Distortion | −92 dB for K grade |
| Settling Time | 3 µs for voltage output |
| Dynamic Range | 96 dB |
| 输出类型 | Voltage output capable of ±1 mA audio output |
| 电源电压 | ±12 V for PCM54 |
| Supply Voltage Range | ±4.75 V to ±15.75 V |
| 工作温度 | 0 °C to 70 °C |
| 封装 | 28-pin DIP |
| Package Shape | Rectangular |
| 安装类型 | Through-hole |
| Terminal Count | 28 terminals |
| Temperature Grade | Commercial |
| Manufacturer | Texas Instruments, formerly Burr-Brown |
| 生命周期状态 | Obsolete |
| RoHS 状态 | unknown |
| REACH Status | unknown |
| AEC-Q100 Status | not_applicable |
| Suitable Operating Standard | Not provided |
PCM54KP rectangular 引脚配置指南
PCM54KP（rectangular 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： PCM54KP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PCM54KP 适用于 6 应用s: Legacy Digital Audio Playback, Professional Audio Signal Conversion, Digital Mixer and Monitoring System, Audio Laboratory Instrumentation, Parallel Digital Audio Interface Card, Vintage Audio Equipment Repair.
Legacy Digital Audio Playback
The PCM54KP fits a parallel-input digital audio playback path where the source already presents a 16-bit digital word and the design accepts a through-hole converter. Its verified 16-bit resolution, 96 dB dynamic range, and 3 µs voltage-output settling time make it suitable for reconstructing an audio waveform before analog filtering and amplification. The design must provide the converter’s positive and negative supplies and account for the fact that the part is listed as obsolete.
推荐
Professional Audio Signal Conversion
PCM54KP can serve as the central digital-to-analog conversion stage in a professional or studio-style analog monitor path when a parallel digital source is available. Its −92 dB THD rating for the K grade and 96 dB dynamic range provide the core converter figures needed for evaluating an audio reconstruction chain. External op-amp, filtering, grounding, and power-supply choices remain important because converter specifications alone do not determine final system noise or distortion.
推荐
Digital Mixer and Monitoring System
The PCM54KP is relevant to legacy digital mixer or monitoring designs that use parallel digital audio words rather than a serial audio bus. Its voltage output and ±1 mA audio-output capability indicate that the converter can feed a carefully selected analog network, while the 28-pin DIP format favors through-hole boards, prototypes, and repair-oriented equipment. Designers should verify load compatibility and add appropriate reconstruction filtering before driving downstream equipment.
推荐
Audio Laboratory Instrumentation
For laboratory audio and signal-analysis equipment, PCM54KP can provide a dedicated 16-bit conversion stage when deterministic parallel data and a legacy through-hole implementation are acceptable. The stated 3 µs settling time is useful for planning update intervals, while the 96 dB dynamic range and K-grade distortion figure help characterize the converter. Calibration, grounding, bypassing, and output loading should be evaluated as part of the complete measurement chain.
推荐
Parallel Digital Audio Interface Card
PCM54KP is well matched to a dedicated interface card that converts a parallel digital audio bus into an analog voltage. Such a card can isolate the converter from the source logic, provide local bypass capacitors and a clean analog return, and route the output to a connector or analog processing section. Because the verified data confirms a 28-pin DIP rather than a modern surface-mount package, the card layout should prioritize through-hole construction and serviceability.
推荐
Vintage Audio Equipment Repair
PCM54KP is especially relevant when restoring or maintaining older audio equipment that already contains this exact converter and surrounding circuitry. A direct repair preserves the original parallel digital architecture, analog supply arrangement, and 28-pin through-hole footprint instead of forcing a modern serial-interface DAC into the board. Before installation, compare the replacement’s grade, pinout, supply requirements, and timing against the original equipment documentation.
推荐
工程参考数据： PCM54KP ——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 |
|---|---|
| Package | 28-pin DIP |
| Brand | Texas Instruments |
| Resolution | 16 bits |
| Input Interface | Parallel |
| Total Harmonic Distortion | −92 dB for K grade |
| Settling Time | 3 µs for voltage output |
| Dynamic Range | 96 dB |
| Operating Supply | ±4.75 V to ±15.75 V; PCM54 identified at ±12 V |
| Operating Temperature | 0 °C to 70 °C |
| Lifecycle Status | Obsolete |
| Audio Output | Voltage output capable of ±1 mA |
| Price | Numeric distributor price not provided |
关键差异点
- K-grade distortion specification （对比 PCM54HP)
- Parallel-input architecture （对比 Modern serial-input audio DACs)
- Legacy serviceable package （对比 Surface-mount modern DACs)
设计说明
Plan the positive and negative analog supplies around the verified PCM54 operating range of ±4.75 V to ±15.75 V, while treating the PCM54KP-specific ±12 V identification as the principal application reference. Place bypass capacitors close to the supply pins and keep converter supply returns separate from noisy digital return paths where practical. Verify startup, shutdown, and rail sequencing against the manufacturer’s full electrical recommendations because the supplied summary does not include every current, tolerance, or power-up detail.
Keep the parallel data traces short and route them away from sensitive analog output and reference nodes. The 28-pin DIP footprint requires careful through-hole routing, but good placement still matters: place the converter near its digital source, analog reconstruction network, and output connector rather than distributing high-impedance analog paths across the board. Provide a quiet ground strategy and keep switching regulators, digital clocks, and high-current return paths away from the converter’s analog reference area.
Treat the 16-bit parallel bus as a timed digital interface, not merely a set of static logic connections. Confirm setup and hold requirements in the complete PCM54KP datasheet, account for the stated 3 µs settling time in the system update schedule, and keep the analog output path terminated and filtered according to the required load. Since the supplied data does not specify the complete pinout, clocking, or output impedance, do not infer those values from generic DAC conventions.
合规信息
The supplied verified data does not state PCM54KP RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. The part is identified as obsolete and as a commercial-grade audio DAC, but no compliance claim is inferred.
