PCM56P-J - 16-Bit Audio DAC | Texas Instruments
料号： PCM56P-J ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.1467 | $1.15 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
PCM56P-J 概述
A digital-to-analog converter, or DAC, converts digital audio samples into a continuous analog voltage signal. The PCM56 belongs to the signal-conversion IC hierarchy and is used in audio DAC, digital audio equipment, and precision signal-generation systems. Its series input reduces the number of parallel data lines required, while the monolithic converter provides a compact solution for generating an analog output from PCM-formatted data.
Key features include 16-bit resolution, 15-bit typical monotonicity, 96 dB dynamic range, and differential linearity error characterized in the family documentation. The J-grade part is identified by the PCM56P-J ordering code and uses the same 16-pin PDIP format associated with the PCM56 family. The converter is factory-trimmed and tested because audio DAC performance depends on total harmonic distortion, differential linearity, bipolar zero error, temperature shifts, and settling time.
The PCM56P-J is intended for applications where a serial PCM stream must become an analog audio or instrumentation signal. Its 16-bit format supports high-resolution digital audio, while the converter's factory calibration helps reduce mismatch-related distortion. The family datasheet also identifies molded-plastic DIP and SOIC packaging options, although PCM56P-J specifically corresponds to the PDIP variant shown by distributor records.
Typical uses include digital audio playback, audio test equipment, precision signal generators, and embedded audio systems. In an audio path, the PCM56 can be driven by a serial audio source and followed by an output amplifier or line driver. Designers should verify interface timing, supply requirements, analog output loading, and external filtering against the manufacturer datasheet before finalizing a board.
A key design consideration is that this is a legacy monolithic audio DAC rather than a modern integrated audio codec. System design should account for its separate digital interface and analog output stage, and should confirm availability before committing new production layouts. The 16-pin PDIP footprint also requires through-hole board space rather than a compact surface-mount footprint.
This page combines the verified Texas Instruments family description, distributor listing data, package information, and practical replacement guidance. It separates confirmed PCM56P-J attributes from specifications that require the full datasheet or device-specific verification.
直接替换替代料： PCM56P-J ——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： PCM56P-J （相同外形与封装尺寸） ——差异在于 Package, Product Type, Mounting Type, Resolution, Data Interface.
快速对比工具——选择替代料号进行并排对比：
PCM56P
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →PCM56P-K
✅ 直接替换📋 参考替代料（不在目录中）
PCM56P-L
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →PCM56P-J 最大额定值与电气特性
| Product Type | Series-input monolithic digital-to-analog converter |
| 分辨率 | 16 bit |
| Data Interface | Series input |
| Number of Channels | 1 channel |
| Dynamic Range | 96 dB |
| Monotonicity | 15 bit typical |
| Total Harmonic Distortion | -92 dB maximum at full-scale input for K grade; -74 dB maximum at -20 dB input for K grade |
| Differential Linearity Error | 0.001% of FSR typical |
| 封装 | 16-pin PDIP |
| Package Type | Molded plastic DIP |
| 引脚数量 | 16 pins |
| 安装类型 | Through-hole |
| Factory Trim | Factory-trimmed and tested |
PCM56P-J molded plastic dip 引脚配置指南
PCM56P-J（molded plastic dip 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： PCM56P-J.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PCM56P-J 适用于 6 应用s: Digital Audio Playback, Audio Test Equipment, Precision Signal Generation, Embedded Audio Systems, Instrumentation Signal Conversion, Legacy Audio Upgrade or Repair.
Digital Audio Playback
PCM56P-J is a suitable dedicated converter for a digital audio playback path when the source supplies compatible serial PCM data. Its 16-bit resolution and 96 dB family dynamic range provide a meaningful conversion target for high-resolution audio, while the monolithic DAC reduces the number of separate converter functions required. The design should place the converter according to the manufacturer application guidance, provide suitable supply bypassing, and follow the output amplifier and filtering recommendations. Because the verified data does not state the exact sample rate, output voltage, or settling time, those requirements must be checked in the full manufacturer datasheet before selecting the device for a particular playback architecture.
推荐
Audio Test Equipment
For audio test equipment, PCM56P-J can generate a controlled analog voltage from a serial PCM source, making it useful in signal-generation and measurement fixtures. The 16-bit code width and 96 dB dynamic range provide useful resolution for audio calibration and signal-quality experiments. Engineers should verify settling behavior, output loading, reference requirements, and distortion under the actual test bandwidth because those values are not supplied in the verified snippets. The 16-pin PDIP footprint also suits prototype and laboratory boards where through-hole construction and easy component replacement are preferable.
推荐
Precision Signal Generation
PCM56P-J can be used as the conversion stage in a precision analog signal generator when the system requires a DAC separate from a general-purpose codec. Its 16-bit resolution and 15-bit typical monotonicity are relevant for deterministic waveform output and calibration-oriented signal sources. The key design consideration is bandwidth: the designer must confirm the converter's settling time and output slew behavior from the manufacturer datasheet, then choose filtering and amplification that preserve the intended waveform. The verified data does not quantify those timing specifications, so they remain explicit design checks rather than assumed values.
推荐
Embedded Audio Systems
The PCM56P-J fits embedded audio systems that have an existing PCM data source and need a dedicated analog conversion function. It can sit between a digital audio serializer or storage interface and an output amplifier, allowing the analog section to be designed independently from the digital controller. The 16-bit interface and 96 dB family dynamic range are useful for high-resolution audio paths, but the designer must verify logic levels, timing, supply rails, and output range against the complete datasheet. The PDIP package is larger than modern surface-mount alternatives, so board area should be reserved during mechanical planning.
推荐
Instrumentation Signal Conversion
PCM56P-J can serve as the DAC element in instrumentation equipment when a calibrated digital representation must be converted to an analog test or control signal. Its monolithic construction and factory trimming are useful where repeatable converter behavior is important, while the 16-bit resolution supports fine-grained numerical output. In an instrumentation design, analog-output stability and filtering may matter more than headline audio marketing specifications. Engineers should therefore review the manufacturer's electrical characteristics, reference arrangement, load limits, and temperature behavior before using the PCM56P-J in precision measurement equipment.
推荐
Legacy Audio Upgrade or Repair
PCM56P-J is relevant to repair and upgrade work involving older audio equipment that uses a dedicated 16-bit serial-input DAC. A replacement should first be compared against the original schematic and package pinout, because the supplied data confirms the 16-pin PDIP format but does not reproduce every pin definition. Verify serial clock polarity, data timing, analog output polarity, supply rails, and any external resistor or capacitor network before installation. The exact J-grade status and lifecycle should also be confirmed with Texas Instruments or an authorized distributor, especially when maintaining a long-lived product.
推荐
推荐产品汇总
工程参考数据： PCM56P-J ——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 | PCM56P | PCM56P-K | PCM56P-L | PCM56U |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 16-pin PDIP | 16-pin PDIP | 16-pin PDIP | 16-pin PDIP | SOIC-16 |
| Product Type | Series-input monolithic DAC | Digital-to-analog converter | Digital-to-analog converter | Digital-to-analog converter | Digital-to-analog converter |
| Through-Hole Mounting | Yes | Yes | Yes | Yes | No; SOIC-16 |
关键差异点
- 16-bit monolithic audio DAC format （对比 PCM56P)
- 16-pin PDIP package identification （对比 PCM56U)
- Factory-trimmed and tested converter （对比 PCM56P-L)
设计说明
Do not substitute PCM56P, PCM56P-K, PCM56P-L, or PCM56U solely because the family name is similar. Verify the exact pinout, serial clock and data timing, supply connections, analog output configuration, and grade-specific distortion limits against the manufacturer datasheet. PCM56U is especially important to distinguish because the cross-reference result identifies a SOIC-16 package, while PCM56P-J is listed as a 16-pin PDIP.
Reserve the correct 16-pin PDIP footprint and provide adequate clearance around the analog output and supply pins. The verified data confirms through-hole PDIP construction but does not provide the complete pin map, so use the official PCM56 datasheet for land pattern and pin numbering. Keep digital serial traces away from the analog output path where practical, and follow the manufacturer’s recommended decoupling and grounding arrangement.
Treat the serial PCM interface as a timing-sensitive digital connection. Confirm clock polarity, data setup and hold requirements, input format, and allowable source impedance in the full PCM56 family datasheet before laying out the board. Because the supplied data does not state the maximum sample rate or settling time, do not estimate those values; use the manufacturer specifications when selecting the digital source and output reconstruction filter.
合规信息
The supplied web data does not explicitly state PCM56P-J compliance status. Compliance fields are therefore marked unknown rather than inferred.
