TMS320C51PQA - 16-Bit 100 MHz DSP | Texas Instruments
N.º da peça: TMS320C51PQA ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
TMS320C51PQA Visão geral
A digital signal processor, or DSP, is a semiconductor optimized for repeated numerical operations such as multiplication, addition, filtering, Fourier analysis, and waveform generation. A DSP belongs to the processor hierarchy: DSP → digital signal processor → embedded processor → semiconductor. Its architecture is designed to execute signal-processing algorithms efficiently, especially when data must be sampled, transformed, filtered, and reconstructed in real time.
The verified data identifies a 16-bit floating-point processor operating at 100 MHz and delivering 50 MIPS. The TMS320C5x CPU family also supports single-cycle 16-bit multiply/add operations. This combination makes the device suitable for embedded audio, communications, control, instrumentation, and industrial signal-processing systems where deterministic arithmetic is important. The family datasheet lists execution times of 25, 35, and 50 ns for 5 V operation and 25, 40, and 50 ns for 3 V operation.
TMS320C51PQA uses a 132-pin package and is identified as a 5 V, industrial-temperature-grade component in the supplied product data. The verified listing specifically identifies the part as a 16-bit DSP with floating-point capability, 100 MHz clocking, 50 MIPS throughput, and 132 terminals. Detailed memory, peripheral, electrical, and timing parameters are not included in the supplied verified records, so they are not inferred here.
Typical applications include embedded audio processing, digital filtering, speech and communications signal processing, industrial measurement, and real-time control. The processor's dedicated numerical architecture can reduce the computational overhead of implementing these tasks with a general-purpose processor, while the 100 MHz clock provides a defined performance target for algorithm evaluation and legacy system maintenance.
When designing around TMS320C51PQA, engineers should verify the complete electrical and pin-level requirements from the TMS320C51 family datasheet, especially supply voltage, clock requirements, memory interface behavior, and external support circuitry. Because no verified replacement list identifies a pin-compatible substitute, replacement decisions require direct comparison of the package, pinout, memory map, peripherals, instruction compatibility, and timing requirements.
This page consolidates the supplied manufacturer and distributor references for the TMS320C51PQA and distinguishes verified facts from parameters requiring datasheet confirmation. It is intended as an engineering sourcing aid, not as a substitute for the original Texas Instruments documentation.
Alternativas drop-in para TMS320C51PQA — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
Nenhuma alternativa drop-in disponível para este produto.
Solicitar alternativasTMS320C51PQA Especificações
| Processor Type | Digital Signal Processor (DSP) |
| Data Width | 16 bit |
| Arithmetic Type | Floating-point |
| Clock Frequency | 100 MHz |
| Execution Rate | 50 MIPS |
| CPU Architecture | TMS320C5x 16-bit CPU |
| 5 V Instruction Execution Time | 25 ns, 35 ns, or 50 ns per cycle |
| 3 V Instruction Execution Time | 25 ns, 40 ns, or 50 ns per cycle |
| Package Type | 132-pin BQFP |
| Package Pin Count | 132 pins |
| Tensão de alimentação | 5 V |
| Temperature Grade | Industrial temperature grade |
| Tipo de montagem | Surface-mount plastic quad flat package |
| Multiply/Add Capability | Single-cycle 16-bit multiply/add |
| Processor Status | Active |
Guia de Configuração de Pinos do TMS320C51PQA 132 pins
Configuração de pinos para TMS320C51PQA (pacote 132 pins). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para TMS320C51PQA.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
TMS320C51PQA é adequado para 6 aplicaçãos: Embedded Audio Signal Processing, Digital Filtering and Equalization, Industrial Measurement and Control, Communications and Speech Processing, Instrumentation and Waveform Generation, Legacy Embedded DSP Platform Maintenance.
Embedded Audio Signal Processing
TMS320C51PQA fits embedded audio systems that require deterministic 16-bit numerical processing at a defined clock target. Its verified 100 MHz clock and 50 MIPS throughput provide a clear performance envelope for filtering, mixing, equalization, and other real-time audio operations. The 132-pin BQFP package exposes the processor's external interfaces but requires careful board layout and signal-integrity control. Because the verified data does not specify supported audio peripherals or memory configuration, engineers should confirm codec interface, DMA behavior, and external memory requirements in the family datasheet before finalizing the design.
Recomendado
Digital Filtering and Equalization
The TMS320C51PQA is suitable for FIR and IIR filtering, adaptive equalization, and other multiply-accumulate-heavy tasks where predictable execution is valuable. The family documentation identifies single-cycle 16-bit multiply/add operations, while the verified product data specifies 50 MIPS throughput at 100 MHz. In a practical design, coefficient storage, buffer memory, interrupt latency, and data movement can limit real-time throughput even when the CPU timing target is met. Validate coefficient precision, memory bandwidth, and peripheral timing against the TMS320C51 family documentation.
Recomendado
Industrial Measurement and Control
TMS320C51PQA can support industrial measurement and control functions that combine sampled data with fixed-point or floating-point arithmetic, provided the system's electrical and timing requirements match the device. The verified listing identifies an industrial-temperature-grade 5 V part, which makes it a candidate for equipment operating in controlled industrial environments. The supplied records do not confirm analog interfaces, isolation, watchdog features, or safety certification. Those functions must be implemented and verified externally, with the processor used only where its documented instruction timing and I/O behavior satisfy the control-loop requirements.
Recomendado
Communications and Speech Processing
The 16-bit DSP architecture and multiply-accumulate capability make TMS320C51PQA a candidate for speech, communications, and modulation-related algorithms. At 100 MHz and 50 MIPS, it offers a defined legacy processing baseline for filters, correlation, spectral operations, and other numerical tasks. However, the supplied verified data does not identify protocol accelerators, serial-interface timing, or modem hardware. System designers must verify the required sample rates, serial protocols, memory bandwidth, and software ecosystem before selecting it for a new communications design.
Recomendado
Instrumentation and Waveform Generation
TMS320C51PQA is applicable to legacy instrumentation products that synthesize waveforms, analyze acquired signals, or implement digital correction. The verified 16-bit format, 100 MHz clock, and 50 MIPS classification support numerical processing, but the output bandwidth and latency will depend on the external memory, data converters, and peripheral configuration. For laboratory instruments, preserve deterministic timing and avoid assuming that CPU MIPS alone guarantees end-to-end sample throughput. Validate converter interface timing, clock jitter, grounding, and signal conditioning in the complete system design.
Recomendado
Legacy Embedded DSP Platform Maintenance
TMS320C51PQA is well suited to maintaining or reproducing an existing TMS320C5x-based embedded signal-processing design, subject to exact pin, memory, and software compatibility checks. The active status reported by the supplied distributor comparison is useful for long-term sourcing, but it does not eliminate supply-chain risk or guarantee every package variant remains available. When maintaining legacy equipment, preserve the original datasheet revision, verify errata, confirm external memory and peripheral timing, and qualify any alternate sourcing channel before production use.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TMS320C51PQA — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | |
|---|---|---|
| Package | 132-pin BQFP | |
| Brand | Texas Instruments | |
| Processor Type | Digital Signal Processor (DSP) | Digital Signal Processor (DSP) |
| Clock Frequency | 100 MHz | 100 MHz |
| Lifecycle Status | Active | Obsolete |
Principais diferenciais
- Active lifecycle status in the supplied comparison (vs TMS320BC52PJ100)
- 100 MHz clock and 50 MIPS classification (vs TMS320BC52PJ100)
- Explicit floating-point classification (vs TMS320BC52PJ100)
- 132-pin BQFP package identification (vs TMS320BC52PJ100)
Notas de projeto
The verified product data identifies TMS320C51PQA as a 5 V device. Before layout, confirm the exact supply-voltage limits, input-voltage tolerance, sequencing requirements, and decoupling recommendations in the TMS320C51 family datasheet. Place required bulk and high-frequency decoupling capacitors close to the documented power pins, and validate the power network for both processor startup and worst-case clock activity. Estimated power dissipation cannot be calculated from the supplied data because current consumption and voltage-drop conditions are not provided.
The 132-pin BQFP package requires a fine-pitch, high-pin-count land pattern and careful escape routing. Use the manufacturer package drawing and pin table as the authority for pad geometry, pin-one orientation, and no-connect assignments. Route clock, reset, and high-speed memory signals with controlled impedance where applicable, minimize long stubs, and provide a solid return path. Because the supplied data does not include the complete pinout or recommended PCB layout, do not infer pad locations from the package name alone.
Do not treat a same-family processor as a drop-in replacement merely because both devices use a TMS320C5x designation. TMS320BC52PJ100 is identified in the supplied comparison as obsolete and has different interface-related fields, so its compatibility is unconfirmed. Before substitution, compare every pin, memory map, interrupt vector, peripheral function, clock setting, instruction behavior, supply requirement, and software build target. A successful board fit does not establish functional or timing compatibility.
Informações de conformidade
The supplied verified data does not provide compliance declarations. The industrial-temperature classification is a product attribute, not evidence of RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals compliance. Obtain current manufacturer or authorized-distributor documentation before making a compliance claim.
