ADSP2115KP-80 - 16-Bit 25 MHz DSP | Analog Devices | Signal Processing
料号： ADSP2115KP-80 ✓ 量产中ADSP2115KP-80 概述
A digital signal processor is a semiconductor optimized to execute mathematical operations on streams of sampled data. Unlike a general-purpose microprocessor, a DSP architecture emphasizes parallel arithmetic, predictable instruction execution, and dedicated data-generation hardware. The ADSP-21xx family uses an enhanced Harvard architecture with an instruction bus, dual data buses, and independent computation units to support three-bus performance.
The ADSP2115KP-80 provides a 16-bit data bus and operates from a 5 V supply. Its 25 MHz clock establishes the processor's timing reference, while its fixed-point architecture is suited to filtering, signal transformation, control calculations, and other real-time numeric workloads. The commercial operating-temperature range is -40°C to +85°C. On-chip program and data memory differentiate members of the ADSP-21xx family, while the shared core allows related processors to reuse familiar development methods.
Typical applications include industrial control, instrumentation, communications, audio and speech processing, motor control, and embedded signal-analysis equipment. The DSP can execute filtering and waveform-processing loops independently of a separate general-purpose processor, reducing execution latency and simplifying systems dedicated to real-time signal processing. System designers still need to account for external memory, peripheral connectivity, clock generation, and input-output signal conditioning when planning the board.
The most important design consideration is verifying the complete ADSP-2100-family electrical interface before connecting external devices. Use the manufacturer datasheet pin-description and pinout tables for signal assignment, supply sequencing, and exposed-thermal-pad requirements where applicable. Software developers should also confirm the clock multiplier, memory map, linker configuration, and peripheral initialization supported by the selected development tools.
This product page combines the verified manufacturer product information with practical design guidance for industrial and embedded DSP designs. It also distinguishes the confirmed device characteristics from parameters that require confirmation from the complete manufacturer datasheet, helping engineers evaluate fit before committing to a PCB or production release.
直接替换替代料： ADSP2115KP-80 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料ADSP2115KP-80 规格参数
| Processor Type | 16-bit fixed-point DSP microprocessor |
| 数据总线宽度 | 16 bit |
| Clock Speed | 25 MHz |
| 电源电压 | 5 V |
| 工作温度 | -40°C to +85°C |
| Package Type | Plastic LCC-68 |
| 引脚数量 | 68 pins |
| Architecture | Enhanced Harvard architecture with three-bus performance |
| Instruction Bus | 1 instruction bus |
| Data Bus Arrangement | 2 data buses |
| Computation Unit Arrangement | Independent computation units |
| Core Architecture | Common ADSP-21xx processor core |
| Temperature Grade | Commercial |
| 安装类型 | Surface mount |
| Package Code | QCCJ |
ADSP2115KP-80 qccj 引脚配置指南
ADSP2115KP-80（qccj 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： ADSP2115KP-80.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADSP2115KP-80 适用于 6 应用s: Industrial Digital Control, Industrial Instrumentation, Communications Signal Processing, Audio and Speech Processing, Motor Drive and Feedback Control, Fixed-Point Waveform Analysis.
Industrial Digital Control
ADSP2115KP-80 is appropriate for deterministic industrial control loops because its DSP core is optimized for high-speed numeric processing rather than general-purpose operating-system overhead. The 16-bit fixed-point architecture can execute filter and controller calculations efficiently, while the 25 MHz clock provides a clear timing reference for periodic tasks. A typical implementation places the processor between sensors or transducers and isolated actuator drivers. Engineers should budget deterministic execution time and avoid placing unbounded control logic on the DSP path. The LCC-68 package also requires careful escape routing, ground-plane continuity, and thermal analysis on the assembled PCB.
推荐
Industrial Instrumentation
The ADSP2115KP-80 can serve as the numerical processing core in measurement instruments that perform real-time filtering, calibration, and signal analysis. Its enhanced Harvard architecture uses separate instruction and dual data paths, which helps sustain numeric throughput in filter and waveform-processing routines. The processor would normally receive converter data through an external interface, process it locally, and transfer results to a controller or communications circuit. For accurate measurements, analog front-end design, grounding, clock jitter, and memory latency must be managed separately from the DSP algorithm. Commercial temperature operation supports many indoor industrial environments.
推荐
Communications Signal Processing
ADSP2115KP-80 is suitable for legacy communications equipment that performs filtering, modulation-related arithmetic, or spectrum processing on sampled data. Its two data buses and independent computation units support parallel numeric operations, while the common ADSP-21xx core can simplify reuse of existing firmware and toolchain knowledge. The processor does not provide a complete radio or network interface by itself; designers must add the required modulator, transceiver, clocking, memory, and physical-layer circuitry. Deployment should confirm protocol timing, bus width, interrupt latency, and external-memory bandwidth against the target communications standard.
推荐
Audio and Speech Processing
ADSP2115KP-80 can implement fixed-point audio filters, mixing functions, and speech-processing algorithms in embedded equipment. Its DSP-oriented architecture provides predictable execution for sample-by-sample workloads, and the 16-bit data path aligns naturally with common 16-bit digital audio interfaces. A practical design uses external audio converters or interface devices, clocking synchronized to the sample rate, and memory organized for the selected codec and algorithm. Audio quality depends on converter performance, clock synchronization, analog reconstruction, and power-supply cleanliness. Use the manufacturer datasheet to confirm codec-facing pins, supported peripheral functions, and timing requirements before layout release.
推荐
Motor Drive and Feedback Control
The ADSP2115KP-80 can support speed, current, or position-control calculations in compact motor-feedback systems. Its fixed-point arithmetic and DSP architecture are well matched to sampled current and position data, while the 25 MHz clock supports repeated control-loop execution. The processor should operate at a safe distance from the power stage, with isolated sensing, robust grounding, and external gate-drive circuitry. Control-loop timing must include conversion latency, interrupt overhead, and output-update jitter. Commercial temperature operation is suitable for many enclosed industrial drives, although final ambient conditions and fault-management requirements must be checked against the complete system specification.
推荐
Fixed-Point Waveform Analysis
ADSP2115KP-80 is appropriate for embedded waveform analysis, filtering, and transform-related arithmetic where deterministic fixed-point execution is preferred. The enhanced Harvard architecture separates instruction access from two data-access paths, enabling concurrent data movement and computation in suitable software pipelines. Designers can connect sampled inputs through external converters, retain working data in on-chip and external memory, and return calculated results through serial or parallel interfaces. Accuracy depends on choosing suitable word lengths, managing scaling, and preventing overflow. Before implementation, profile the complete algorithm against the 25 MHz clock and confirm memory timing from the manufacturer documentation.
推荐
推荐产品汇总
工程参考数据： ADSP2115KP-80 ——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 |
|---|---|
| Brand | Analog Devices |
| Package | Plastic LCC-68 |
| Pin Count | 68 pins |
| Data Bus Width | 16 bit |
| Clock Speed | 25 MHz |
| Supply Voltage | 5 V |
| Architecture | Enhanced Harvard architecture with three-bus performance |
| Operating Temperature | -40°C to +85°C |
关键差异点
- Purpose-built fixed-point DSP execution architecture （对比 ADSP-2115KP-80)
- Defined commercial 25 MHz operating point （对比 ADSP-2115KP-80)
- Established 68-pin LCC system interface （对比 ADSP-2115KP-80)
设计说明
Use the complete Analog Devices pin-description table to assign all 68 LCC positions, including supply, ground, clock, memory, and peripheral signals. Preserve a continuous ground reference beneath the device, minimize return-path discontinuity, and route high-speed clock and data nets away from analog inputs. Because no library drawing is available for the exact LCC-68 outline, verify courtyard, pad dimensions, and land pattern against the current manufacturer package drawing before fabrication.
Confirm the permitted 5 V supply tolerance, ripple, startup behavior, and sequencing conditions in the manufacturer datasheet. Place the required bypass capacitors close to their assigned supply and ground pins, with short, low-loop-area connections. Separate sensitive analog and digital return currents where practical, and inspect the assembled board for clock and data coupling into sensitive measurement paths.
Do not treat every ADSP-21xx member as an interchangeable replacement. Confirm the KP suffix, clock grade, memory configuration, package, peripheral assignments, and pin functions individually. Before loading production firmware, verify the linker configuration, memory map, reset behavior, interrupt vector, and external-memory timing. A family-level application note can guide the architecture, but the exact orderable-part documentation controls the design.
Evaluate junction temperature using the actual switching loss in the processor, the package thermal data, airflow, and PCB copper exposure. The LCC package can depend heavily on the PCB for heat spreading, so a small exposed thermal area or poor ground-via placement may increase junction temperature. Keep the ground and supply planes thermally connected, use the manufacturer's recommended via pattern, and validate the hottest expected operating condition.
合规信息
The device is identified as a commercial-temperature component, but no specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations were present in the verified product information.
