TMS320P15NL25 - 25.6 MHz 16-Bit Fixed-Point DSP | Texas Instruments
MPN: TMS320P15NL25 ✓ Hoạt độngTMS320P15NL25 Tóm tắt
An LQ DSP, or fixed-point digital signal processor, is designed to execute multiply-accumulate operations efficiently on integer data rather than relying on floating-point arithmetic. The TMS320P15NL25 is positioned for audio, control, communications, and industrial signal-processing designs where predictable instruction throughput and a 16-bit word length are more useful than general-purpose CPU flexibility. Its processor implementation is associated with object-code compatibility across the TMS320C1x device family, according to the supplied distributor and technical-search data.
The listed operating frequency is 25.6 MHz, with a specified performance of 6.25 MIPS and a data-sheet description indicating performance up to 8.77 MIPS for the related TMS320P15 family. The processor provides fixed-point digital signal processing, with a 16-bit word length suitable for audio and control-loop implementations. The part is identified as a 40-pin PDIP device, making it appropriate for through-hole prototype and legacy-system boards rather than compact surface-mount designs.
Typical application areas include low-rate audio decoding, tone generation, speech-processing front ends, industrial motor and process control, communications modulation, and instrumentation. The 16-bit fixed-point datapath simplifies implementation where sampled data can be represented with integer scaling and where deterministic execution timing is valuable. The DIP package also facilitates socketed or through-hole assembly and provides generous spacing for inspection and manual rework.
For new designs, verify the clock, memory-interface, and pin-level requirements against the manufacturer datasheet before layout release. The older large-outline PDIP package is mechanically different from modern surface-mount DSP packages, so a footprint substitution is not automatically a drop-in replacement. This page combines verified distributor pricing, package information, technical context, sourcing links, and engineering guidance rather than repeating a single distributor listing.
Bộ thay thế dễ dàng lắp đặt cho TMS320P15NL25 — 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 TMS320P15NL25 (cùng hình factor và footprint) — khác nhau ở Clock Frequency, Mounting Type, Package, Architecture.
TMS320P15NL
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
TMS320P15NA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →TMS320C10FNLR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →TMS320P15NL25 Thông số kỹ thuật
| Device Type | Fixed-Point Digital Signal Processor (DSP) |
| Manufacturer | Texas Instruments |
| Clock Frequency | 25.6 MHz |
| Word Length | 16 bit |
| Performance | 6.25 MIPS |
| Family Performance Reference | Performance to 8.77 MIPs |
| Hộp | 40-pin PDIP |
| Package Type | Through-hole PDIP |
| Kiểu lắp đặt | Through-hole |
| Processor Category | Digital Signal Processor |
| Arithmetic Type | Fixed-point |
| On-Chip Data RAM | 144/256-word on-chip data RAM family reference |
| Instruction Compatibility | All TMS320C1x devices are object code compatible |
| Datasheet File Size | 18269 KB |
| Datasheet Page Count | 146 pages |
| Datasheet Publication Date | 1997-10-03 |
Hướng dẫn cấu hình chân TMS320P15NL25 through-hole pdip
Cấu hình chân cho TMS320P15NL25 (through-hole pdip gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho TMS320P15NL25.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
TMS320P15NL25 phù hợp cho 6 Áp dụngs: Fixed-Point Audio Signal Processing, Industrial Process Control, Communications and Modulation, Speech and Instrumentation Control, Legacy Audio and Control Board Refresh, Motor Drive and Embedded Signal Control.
Fixed-Point Audio Signal Processing
The TMS320P15NL25 suits audio applications that require deterministic 16-bit integer processing at a 25.6 MHz clock. Its fixed-point DSP architecture is appropriate for digital filters, mixing, equalization, and tone generation when sampled signals can be scaled into the processor's word length. The 6.25 MIPS listed performance provides a defined execution budget for repetitive sample-rate operations. The 40-pin PDIP package also makes the device convenient for through-hole prototypes, although a modern surface-mount DSP is usually preferable when board area is constrained.
Được đề xuất
Industrial Process Control
The TMS320P15NL25 can implement digital control loops where predictable fixed-point execution is valuable, including PID-style calculations, filtering, and actuator-command generation. Its 16-bit arithmetic and 25.6 MHz clock support sampled control algorithms with a repeatable instruction budget. Designers should scale sensor and actuator values carefully to avoid overflow or excessive quantization. The through-hole PDIP package is useful for laboratory controller boards and legacy industrial test equipment, but its large footprint should be considered for compact control modules.
Được đề xuất
Communications and Modulation
The TMS320P15NL25 is appropriate for communications front ends and modulation functions that benefit from multiply-accumute throughput and fixed-point arithmetic. The listed 25.6 MHz clock and 6.25 MIPS performance can support sampled filtering, symbol generation, and supervisory routines in a dedicated controller architecture. The family documentation states that TMS320C1x devices are object-code compatible, which may assist software migration within the family. Actual channel-rate capacity depends on the complete algorithm, memory configuration, and verified datasheet limits.
Được đề xuất
Speech and Instrumentation Control
The TMS320P15NL25 can serve as the real-time processing engine in speech-processing prototypes and laboratory instruments where integer filtering, analysis, and user-interface coordination must share a single controller platform. Its 16-bit fixed-point format matches many sampled signal-processing chains and avoids floating-point overhead. Engineers should budget instruction cycles for acquisition, filtering, and host communication because the listed performance is a device-level figure rather than an application throughput guarantee. Its PDIP format is particularly convenient for breadboard-based instrument development.
Được đề xuất
Legacy Audio and Control Board Refresh
The TMS320P15NL25 is useful when restoring or maintaining an older through-hole audio or control board that used the TMS320P15NL25 configuration. The 40-pin PDIP package and 25.6 MHz clock identify it as a leaded legacy-format device, making it more appropriate for socketed repair, prototype replication, or board redesign than for new high-density products. Verify pin functions and supply rails from the manufacturer data before fitting the part, because no complete pinout is included in the verified search data supplied for this page.
Được đề xuất
Motor Drive and Embedded Signal Control
The TMS320P15NL25 can be evaluated for embedded motor-drive signal generation, current-loop sampling, and control filtering where fixed-point execution and deterministic timing are central requirements. The 16-bit datapath can represent scaled current, position, and duty-cycle values, while the 25.6 MHz clock supports tightly scheduled interrupt service. Safety-critical designs require additional checks for numerical headroom, watchdog behavior, and fault handling. The PDIP package favors serviceable low- and medium-volume laboratory controllers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TMS320P15NL25 — 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 | TMS320P15NL | TMS320P15 | TMS320C10FNLR |
|---|---|---|---|---|
| Package | 40-pin PDIP | 40-pin PDIP | 40-pin PDIP | 40-pin PDIP |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Device Type | Fixed-Point DSP | Fixed-Point DSP | Fixed-Point DSP | Fixed-Point DSP |
Bảo phân biệt quan trọng
- Specific 25.6 MHz configuration (vsTMS320P15NL)
- Explicitly verified 16-bit fixed-point DSP identity (vsTMS320C10FNLR)
- Identifiable 40-pin PDIP assembly format (vsTMS320P15)
Ghi chú thiết kế
Treat the 40-pin PDIP footprint as a mechanical commitment. The verified listings identify a 40-pin PDIP package, so a replacement must match lead pitch, body width, drill pattern, and every signal assignment rather than only sharing the generic package description. Keep analog, clock, and digital return paths separate where the application board mixes converter noise with DSP inputs.
Route the DSP clock as a short, continuous signal and keep the return path beneath the driver where possible. The supplied data confirms a 25.6 MHz clock but does not provide the complete pinout or board-layout example, so clock-source placement, decoupling values, and trace geometry must be checked against the manufacturer datasheet and application guidance before fabrication.
Do not substitute a similar-sounding TMS320P15 or TMS320C10 designation without checking the suffix and pin-level meaning. The verified data does not establish a drop-in cross-brand equivalent, and the three listed same-manufacturer alternatives require datasheet validation. In particular, verify clock limits, supply rails, memory organization, interrupt mapping, and no-connect pins before substituting any part.
Thông tin tuân thủ
The supplied verified web data does not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not applicable because this is a legacy DSP rather than an identified automotive-qualified device.
