STA32013TR - 2.1-Channel 24-Bit DDX Audio Processor | STMicroelectronics
MPN: STA32013TR ✗ Cuối đờiSTA32013TR Tóm tắt
A digital audio processor is a specialized signal-processing IC that receives digital audio data, applies channelization, volume, filtering, and related control functions, and produces controlled digital outputs for downstream conversion or amplification. In the product hierarchy, the STA32013TR belongs to the audio processor class, which sits within audio special-purpose integrated circuits and broader consumer and automotive signal-processing systems. Its DDX architecture provides a dedicated approach to digital audio channel management rather than requiring several discrete control functions.
The principal verified features include support for three output channels in a 2.1-channel configuration and 24-bit digital audio processing. The documented signal-to-noise ratio exceeds 100 dB, supporting high-fidelity audio reproduction. Input sampling can be selected between 32 kHz and 192 kHz, allowing the processor to accommodate source material with different sampling rates. An I2C interface provides a standard two-wire control path for configuration and register access.
The STA32013TR is housed in a 28-pin SOIC package measuring 0.295 inches, or 7.50 mm, in width. This package provides a defined surface-mount option for compact audio electronics. The documented operating-temperature range is -20 °C to +125 °C when referenced to junction temperature. These package and environmental characteristics make the device suitable for applications where a conventional SOIC footprint and industrial-temperature operation are required, subject to normal end-of-life sourcing constraints.
Typical uses include digital audio preamplifier platforms, multichannel automotive head-unit signal chains, and consumer-audio systems requiring two main channels plus one additional output channel. The 192 kHz upper sampling-rate option supports high-resolution digital-audio workflows, while the greater-than-100 dB SNR specification provides a measurable dynamic-range figure. Because the available source identifies direct digital amplification and preamplifier applications, system designers should verify the external data converter, speaker amplifier, clocking, and interface implementation against the manufacturer documentation.
The primary design consideration is lifecycle availability. The supplied web data identifies STA32013TR as obsolete, so production designs should not assume stable new supply. Engineers should confirm whether authorized distributor inventory is genuine, compare any proposed replacement against the complete pinout, clock requirements, register map, and audio performance, and perform system-level listening and signal-integrity validation before substitution.
This product page consolidates the verified package, channel-count, bit-depth, sampling-rate, control-interface, environmental, lifecycle, and sourcing information into an engineering-focused record. It also separates documented facts from unavailable pricing, pin-level data, and drop-in alternatives, helping designers identify what must still be confirmed before schematic release or production procurement.
Bộ thay thế dễ dàng lắp đặt cho STA32013TR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếSTA32013TR Tỷ lệ tối đa & tính chất điện
| Product Type | Audio Fully Integrated Processor |
| DDX Architecture | 2.1 channels |
| Audio Processing Resolution | 24 bit |
| Signal-to-Noise Ratio | >100 dB |
| Minimum Input Sample Rate | 32 kHz |
| Maximum Input Sample Rate | 192 kHz |
| Control Interface | I2C |
| Number of Channels | 3 channels |
| Channel Configuration | 2.1 multichannel |
| Hộp | 28-SOIC (0.295 inch, 7.50 mm width) |
| Số chân | 28 pins |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Cut Tape (CT) |
| Khoảng nhiệt độ hoạt động | -20 °C to +125 °C (TJ) |
| Trạng thái vòng đời | Obsolete (EOL) |
| Lead-Free Status | Lead Free |
| Trạng thái RoHS | unknown |
Hướng dẫn cấu hình chân STA32013TR 28-soic (0.295 inch, 7.50 mm width)
Cấu hình chân cho STA32013TR (28-soic (0.295 inch, 7.50 mm width) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho STA32013TR.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
STA32013TR phù hợp cho 6 Áp dụngs: Automotive Digital Audio Head Unit, Consumer-Audio Preamplifier, Direct Digital Amplification Signal Chain, High-Resolution Audio Source Interface, Multichannel Active Speaker Controller, Legacy Audio Equipment Repair.
Automotive Digital Audio Head Unit
The STA32013TR fits a legacy automotive digital-audio head unit because it combines three processed channels in a 2.1 arrangement, 24-bit audio resolution, and input sample-rate selection from 32 kHz to 192 kHz. Its I2C control interface can connect the processor to a host controller for configuration, channel routing, and operating-mode control, while the documented -20 °C to +125 °C junction-temperature range covers industrial temperature conditions. The principal limitation is lifecycle: the device is obsolete, so an existing platform may retain it for repair or controlled continuation, but a new automotive program should verify qualification records and pursue an active replacement. Clocking, ground partitioning, EMI filtering, and the external DAC architecture must also be validated against the original design.
Consumer-Audio Preamplifier
The STA32013TR is appropriate for a legacy consumer-audio preamplifier that requires digital channel management before conversion to an analog power-amplifier stage. Its three-channel, 2.1-channel architecture can support a multichannel signal path, while the greater-than-100 dB SNR provides a useful dynamic-range figure for high-fidelity positioning. I2C enables configuration from a system controller instead of requiring dedicated control logic. The 28-SOIC package is compatible with conventional surface-mount assembly, but engineers should reserve adequate routing space for clean digital-audio traces and verify external converter requirements. Because the processor is obsolete, it is best suited to an already validated platform or maintenance inventory rather than a new high-volume consumer product.
Direct Digital Amplification Signal Chain
The STA32013TR can serve as the digital signal-processing element in a direct-digital-amplification signal chain because the verified product classification identifies direct digital amplification among its intended uses. Its 24-bit DDX processing and selectable 32-192 kHz input rates provide the digital-audio foundation before power amplification. The processor does not by itself establish the final output-stage topology, so system designers must match it to suitable external converters and amplification circuitry. Decoupling, clock routing, and digital-audio trace integrity remain critical because upstream processing quality cannot compensate for a noisy or unstable power environment. Lifecycle qualification should be completed before production commitment because no verified drop-in modern replacement was identified.
High-Resolution Audio Source Interface
The STA32013TR is usable in a high-resolution audio source interface when the source can operate at a supported rate between 32 kHz and 192 kHz. The processor's 24-bit format preserves high-resolution digital samples while its three-channel capability supports a 2.1-channel presentation path. I2C provides a practical configuration mechanism for a source controller, and the greater-than-100 dB SNR specification helps establish a measurable quality target for the processing stage. Integration still requires a compatible serial-audio interface, valid master clock, suitable external DACs, and an uninterrupted ground and supply strategy. The obsolete lifecycle status makes this a legacy or redesign-bridge application rather than the preferred choice for a new high-volume source product.
Multichannel Active Speaker Controller
The STA32013TR can serve an active-speaker controller when the system requires centralized digital channel selection before power-amplifier modules. Its 2.1-channel, three-output arrangement is well matched to a speaker topology containing two full-range channels and one additional output, subject to confirming the exact channel-routing behavior in the manufacturer documentation. The I2C interface allows the main processor to adjust operating parameters, and the 24-bit processing format supports high-quality digital distribution. In a compact enclosure, the 28-SOIC package simplifies surface-mount assembly, although thermal exposure of surrounding amplifiers must be managed carefully. Because the audio processor is obsolete, use it in retained designs only after confirming supply quality and validating the complete amplifier-control interface.
Legacy Audio Equipment Repair
The STA32013TR is especially relevant to repairing or maintaining legacy audio equipment that already uses its established 2.1-channel, 24-bit DDX architecture. Matching the original processor preserves the proven channel-routing, sampling-rate, and I2C-control design rather than introducing conversion issues into an already functioning system. The documented 28-SOIC package and -20 °C to +125 °C junction-temperature specification help identify suitable replacement stock, while the greater-than-100 dB SNR specification gives technicians a useful post-repair performance reference. Procurement should focus on traceable, genuine obsolete inventory. After installation, verify supply rails, clocking, I2C communication, channel outputs, and thermal behavior because no verified pin-compatible substitute has been established.
Dữ liệu tham khảo kỹ thuật cho STA32013TR — 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 |
|---|---|
| Package | 28-SOIC (0.295 inch, 7.50 mm width) |
| Brand | STMicroelectronics |
| DDX Architecture | 2.1 channels |
| Audio Processing Resolution | 24 bit |
| Signal-to-Noise Ratio | >100 dB |
| Input Sample Rate Range | 32 kHz to 192 kHz |
| Control Interface | I2C |
| Operating Temperature Range | -20 °C to +125 °C (TJ) |
| Lifecycle Status | Obsolete (EOL) |
| Mounting Type | Surface Mount |
Bảo phân biệt quan trọng
- Integrated 2.1-channel DDX processing (vsGeneric 28-SOIC audio processor)
- Broad selectable input-rate range (vsCD-rate-only audio processor)
- Documented high dynamic-range target (vsLower-SNR legacy audio processor)
Ghi chú thiết kế
Do not treat the obsolete lifecycle status as a minor sourcing detail. The verified data identifies STA32013TR as EOL, so a new design should first confirm whether the exact processor, its clock source, external converters, and control firmware can be supported. A package-count match is not sufficient evidence of drop-in compatibility: pin names, supply levels, clock ratios, reset requirements, register addresses, and digital-audio signal polarity must all be compared before any replacement is approved.
Route the digital-audio and I2C signals as compact, continuous paths away from switching-power nodes and loudspeaker output stages. Provide short ground-return paths and place local decoupling close to the device's supply pins. Keep clock routing symmetrical and isolate it from sensitive analog inputs. The supplied information does not include the complete pin table or manufacturer layout recommendations, so the final arrangement must follow the original datasheet and reference layout rather than relying on package dimensions alone.
Validate every supply rail against the original STA32013TR design before substituting or purchasing replacement stock. The verified data confirms an I2C-controlled, three-channel audio processor but does not provide its exact supply-voltage tolerances, quiescent current, or startup sequence. Measure current consumption, rail sequencing, and noise using the reconstructed original schematic. For obsolete inventory, add a controlled incoming-inspection step covering marking, soldering, corrosion, and functional testing before installation.
Thông tin tuân thủ
The verified DigChip snippet states Lead Free Status: Lead Free. It does not provide explicit REACH, halogen-free, conflict-minerals, or AEC-Q100 qualification evidence. The automotive-grade field is therefore not_applicable rather than a claim that the device is unqualified for every automotive use.