PCM5102PW - 112dB Stereo DAC, 2VRMS, TSSOP-20 | TI
MPN: PCM5102PW ✓ Hoạt độngPCM5102PW Tóm tắt
An audio DAC is a digital-to-analog converter, a semiconductor in the broader signal-conversion and audio-processing hierarchy. It accepts encoded digital audio samples and reconstructs an analog output waveform for headphone amplifiers, line-level inputs, powered speakers, or other downstream analog stages. The PCM5102 integrates an audio PLL, allowing the digital interface and internal clocking to be coordinated for multiple standard sample rates.
The principal performance characteristics are 112 dB dynamic range, 2 VRMS output capability, operation up to 384 kHz, and support for 16-, 24-, and 32-bit PCM data. The manufacturer describes the output stage as 2 VRMS DirectPath, which removes the requirement for conventional DC-blocking output capacitors in the intended application topology. A selectable digital-filter latency function provides another configuration option for systems that must balance conversion performance with timing requirements.
The PCM5102 family also incorporates an internal negative charge pump and supports pop-free output behavior. These features address common implementation concerns in audio conversion systems: reducing low-frequency output offset, controlling startup transients, and simplifying the analog output network. The 3 V to 3.6 V supply range supports integration with low-voltage digital audio equipment, although the exact internal voltage rails and operating limits must be taken from the manufacturer datasheet.
Typical uses include hi-fi audio playback, USB and network-audio interface outputs, digital mixing consoles, headphone-driver stages, portable media equipment, and embedded audio systems. The integrated audio PLL is particularly useful when the converter must derive a usable clock from an incoming PCM stream. Its 384 kHz capability accommodates high-resolution source formats and studio-oriented playback equipment.
When laying out a design, treat the analog output path as a precision signal path and place the device close to the appropriate output-network components. Confirm the manufacturer-recommended decoupling, exposed-pad or thermal-land requirements, and analog grounding arrangement for the selected TSSOP footprint before finalizing the PCB. The PCM5102PW is packaged for a 20-pin TSSOP, so software and hardware teams should verify the exact lead assignment in the pin-description table before routing signals.
This product page consolidates the confirmed PCM5102PW electrical, package, interface, and sourcing details with practical design guidance, same-family drop-in candidates, and application-oriented explanations. It adds engineering context beyond a basic catalog listing while keeping unavailable pin-level, lifecycle, and compliance conclusions separate from confirmed manufacturer information.
Bộ thay thế dễ dàng lắp đặt cho PCM5102PW — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PCM5102PW (cùng hình factor và footprint) — khác nhau ở Dynamic Range, Digital Audio Interface, Digital Filter, Operating Temperature Range, Output Voltage.
PCM5102APWR
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Xem tài liệu →PCM5102PW Tỷ lệ tối đa & tính chất điện
| Device Type | Stereo audio digital-to-analog converter |
| Dynamic Range | 112 dB |
| Output Level | 2 VRMS |
| Supported Word Lengths | 16 bit, 24 bit, 32 bit |
| Maximum Sample Rate | 384 kHz |
| Digital Audio Interface | PCM serial interface |
| Output Architecture | 2 VRMS DirectPath |
| Integrated Clocking | Integrated audio PLL |
| Supply Voltage Range | 3 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -25 °C to +85 °C |
| Package Type | 20-pin TSSOP |
| Package Width | 4.40 mm |
| Package Length | 0.173 inch |
| Kiểu lắp đặt | Surface mount |
| Digital Filter | Selectable latency |
| Output DC Blocking | No DC-blocking capacitors required |
| Internal Charge Pump | Integrated negative charge pump |
| Startup Behavior | Internal pop-free operation |
| Packaging | Bulk |
Hướng dẫn cấu hình chân PCM5102PW 0.173 inch
Cấu hình chân cho PCM5102PW (0.173 inch gói). Thành phần số hiệu này có chân đầu vào, đầu ra và nguồn cung cấp. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết cấu hình chân bù, bù trừ và chân kích hoạt. Hoàn hảo cho điều kiện tín hiệu và mạch khuếch đại.
Không có dữ liệu chân cụ thể sẵn có cho PCM5102PW.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
PCM5102PW phù hợp cho 6 Áp dụngs: Hi-Fi Network Audio Player, USB Audio Interface, Digital Audio Headphone Driver, Digital Mixing Console, Portable Media Player, Studio Monitoring Output.
Hi-Fi Network Audio Player
The PCM5102PW fits a hi-fi network-audio output because it accepts 16-, 24-, or 32-bit PCM data and operates up to 384 kHz. The 112 dB dynamic range gives a high-resolution digital stream useful headroom before conversion, while the 2 VRMS DirectPath output can feed a line input or headphone-driver stage. Its integrated audio PLL helps the converter maintain a coherent audio clock. The design should preserve short digital routes and place the DAC close to the output network to minimize analog distortion and interference.
Được đề xuất
USB Audio Interface
The PCM5102PW can serve as the stereo output stage of a USB audio interface when the host or USB controller provides a compatible PCM clock and serial data stream. Its support for 16-, 24-, and 32-bit data and rates up to 384 kHz accommodates high-resolution playback formats. The 3 V to 3.6 V supply requirement supports compact low-voltage designs, while the integrated audio PLL simplifies synchronization compared with an interface that requires external clock-management circuitry.
Được đề xuất
Digital Audio Headphone Driver
For a headphone output design, the PCM5102PW provides two analog channels with a 2 VRMS DirectPath output, allowing the signals to proceed to a suitable headphone amplifier. The device supports PCM words from 16 to 32 bits and sample rates up to 384 kHz, making it appropriate for high-resolution player and amplifier products. Its internal negative charge pump and stated pop-free operation help simplify startup and output-bias implementation, although the external amplifier and load must be checked for voltage and current compatibility.
Được đề xuất
Digital Mixing Console
The PCM5102PW can serve as a monitoring or line-output DAC in a digital mixing console because it offers two output channels, 112 dB dynamic range, and a maximum sampling rate of 384 kHz. The PCM interface accommodates digital audio sources operating at 16-, 24-, or 32-bit precision. Its integrated PLL supports the timing requirements of a synchronized audio system, while DirectPath output reduces the need for output DC-blocking capacitors. Analog grounding and output routing remain critical in a multi-channel console.
Được đề xuất
Portable Media Player
The PCM5102PW suits a compact portable audio player when a system needs high-resolution conversion without a large external codec. It accepts 16-, 24-, or 32-bit PCM data up to 384 kHz and uses a 3 V to 3.6 V operating supply range. The 20-pin TSSOP package supports surface-mount assembly, while the integrated negative charge pump reduces external bias-component complexity. Battery-powered designs must still verify output power, analog headroom, thermal conditions, and shutdown behavior against the complete system requirements.
Được đề xuất
Studio Monitoring Output
The PCM5102PW is appropriate for a studio-oriented monitoring output because it supports 24-bit and 32-bit PCM operation up to 384 kHz and provides 112 dB dynamic range. The two-channel output can feed a balanced-input stage or line driver after the appropriate application circuit is applied. DirectPath output avoids conventional DC-blocking capacitors, and the integrated audio PLL supports deterministic timing. For a professional monitor, evaluate the DAC in the complete signal path, including clock jitter, output filtering, connector routing, grounding, and downstream amplifier headroom.
Được đề xuất
Dữ liệu tham khảo kỹ thuật cho PCM5102PW — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PCM5102APWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Package | TSSOP-20 | TSSOP-20 |
| Device Type | Stereo audio DAC | Stereo audio DAC |
| Output Level | 2 VRMS | 2.1 VRMS, 0.1 VRMS higher |
Bảo phân biệt quan trọng
- Confirmed 2 VRMS DirectPath stereo output (vsPCM5102APWR)
- 32-bit PCM operation up to 384 kHz (vsPCM5102APWR)
- Integrated audio PLL and negative charge pump (vsPCM5102APWR)
- 112 dB dynamic range (vsPCM5102APWR)
Ghi chú thiết kế
Treat the PCM5102 as a mixed-signal device: route the PCM clock, data, and mode signals as a compact digital group, then keep the analog output path short and away from switching nodes. Use the pin-description and recommended-layout diagrams in the manufacturer datasheet to place decoupling and output-network components. The confirmed package is 20-pin TSSOP, so verify body width, lead span, and exposed thermal-land requirements against the actual PCB footprint before fabrication.
Design the 3 V to 3.6 V rail so it remains within the documented range under audio load and startup. Place the manufacturer-recommended bypass capacitors directly at the appropriate supply and ground pins, observing the specified polarity and voltage rating. The confirmed 185 mW figure describes PCM5102PW power dissipation, not total board power, so include regulator losses, clock-driver load, and downstream circuitry when sizing the supply.
Do not assume that any 20-pin stereo DAC can replace the PCM5102PW solely because its package matches. Check clock architecture, supported word lengths, sample rates, filter latency, output topology, control signals, and no-connect assignments in the manufacturer pin table and timing diagrams. The DirectPath output and integrated negative charge pump are specific implementation features, so the external output network must follow the PCM5102 reference design.
Use a stable, low-jitter clock source because the PCM5102 converts digital audio into an analog signal and timing quality can affect the conversion result. The integrated audio PLL provides clocking flexibility, but its configuration and supported source relationships must follow the PCM5102 timing documentation. Keep the digital interface away from analog output routing and provide a quiet return path to minimize coupling into the 2 VRMS output stage.
Thông tin tuân thủ
No explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals declaration was identified in the catalog records. AEC-Q100 is not applicable to this non-automotive audio DAC ordering code because no automotive qualification claim is present.