DSPIC33FJ256GP710AT-I/PF - 16-Bit 40MIPS 256KB Flash DSC | Microchip
料号： DSPIC33FJ256GP710AT-I/PF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.2 | $9.20 |
| 10 | $8.5 | $85.00 |
| 100 | $7.9 | $790.00 |
| 500 | $7.35 | $3,675.00 |
| 1,000 | $6.9 | $6,900.00 |
DSPIC33FJ256GP710AT-I/PF 概述
A Digital Signal Controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice when an application needs both real-time control loops and math-intensive signal processing in a single chip. The dsPIC33F family belongs to Microchip's 16-bit controller portfolio and offers seamless migration to PIC24F, PIC24H MCUs and dsPIC30F DSCs in similar packages.
Key features of this device include a 16-bit modified Harvard architecture with DSP engine supporting single-cycle MAC and 40-bit accumulators, 256KB (256K x 8) of self-programmable Flash and substantial SRAM for buffering, and operation up to 40 MIPS at 3.3V. The AT suffix denotes the extended automotive/industrial temperature grade, and the I suffix confirms industrial operating range.
Technical depth: the device integrates multiple timers, input capture/output compare channels, motor-control PWM, multi-channel 10/12-bit ADCs, UART, SPI and I2C interfaces, plus dual PGECx/PGEDx pairs for in-circuit serial programming (ICSP). Note that programming pairs must be used as matched sets - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2, as documented in Microchip programming guides.
Typical applications include motor control (BLDC/PMSM FOC), digital power supplies and inverters, audio and speech processing, sensor-fusion and industrial automation nodes where deterministic 16-bit control plus DSP math is required.
Design consideration: budget power and clock architecture carefully - a 40 MHz-class core needs clean 3.3V decoupling at every VDD pin and careful crystal/PLL layout for stable operation.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33FJ256GP710AT-I/PF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33FJ256GP710AT-I/PF （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Core Architecture, ADC, MSL Level.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ256GP710-I/PF
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ256GP710A-I/PF
✅ 直接替换✓ 有现货
$6.55 / 个
查看数据手册 →DSPIC33FJ256GP510-I/PF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.98 / 个
查看数据手册 →DSPIC33FJ256GP510T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.95 / 个
查看数据手册 →DSPIC33FJ256GP710AT-I/PF 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33F (modified Harvard) |
| Maximum Clock / Performance | 40 MIPS |
| Program Memory (Flash) | 256KB (256K x 8) |
| 电源电压 | 3.3 V |
| 封装 | 100-TQFP (14x14 mm), code PF |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (industrial, suffix I) |
| Temperature Grade | Industrial |
| Family | dsPIC 33F Series (dsPIC33FJ256GP710A) |
| Product Type | Digital Signal Controller (DSC) |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
| Migration Path | Pin compatible with PIC24H family; high compatibility with dsPIC30F |
DSPIC33FJ256GP710AT-I/PF square 引脚配置指南
DSPIC33FJ256GP710AT-I/PF（square 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33FJ256GP710AT-I/PF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33FJ256GP710AT-I/PF 适用于 6 应用s: Motor Control (BLDC/PMSM Inverters), Digital Power Supplies and Inverters, Industrial Automation and Sensor Nodes, Audio and Speech Processing, Automotive and Transport Electronics (AT Grade), Test, Measurement and Data Acquisition.
Motor Control (BLDC/PMSM Inverters)
The DSPIC33FJ256GP710AT-I/PF fits motor-control applications through its 40 MIPS DSP engine, which executes field-oriented control (FOC) loops with single-cycle MAC and 40-bit accumulators, keeping current-loop sample rates well above the electrical frequency of BLDC and PMSM machines. Its 100-pin TQFP exposes enough PWM outputs and ADC inputs to drive three-phase inverters with dual-shunt or three-shunt current sensing. Placed as the main controller between gate drivers and current-sense amplifiers, it closes torque loops deterministically without a separate DSP. Trade-off: flash-heavy FOC tables consume part of the 256KB program memory, so reserve headroom for field-weakening and protection code.
推荐
Digital Power Supplies and Inverters
In digitally controlled AC-DC and DC-DC converters, the DSPIC33FJ256GP710AT-I/PF replaces analog control loops with firmware Proportional-Integral compensation running on its 16-bit core at up to 40 MIPS. The multi-channel high-speed ADC samples output voltage and inductor current each switching cycle, while output-compare/PWM peripherals generate phase-shifted or complementary drive signals with nanosecond-class resolution at 3.3V logic levels. Its industrial -40C to +85C rating suits telecom rectifiers and solar micro-inverters. Because the GP family ADC throughput caps achievable switching frequency, designs above roughly a few hundred kHz should compare the SM/MC subfamily parts, while the GP710A excels where control math plus system supervision coexist.
推荐
Industrial Automation and Sensor Nodes
Factory automation nodes benefit from the DSPIC33FJ256GP710AT-I/PF's combination of UART, SPI, and I2C interfaces plus a DSP engine for FFT-based vibration analysis and sensor-fusion math. In a typical node, the DSC samples accelerometers or encoders over SPI, applies digital filtering on-chip, and reports over RS-485-linked UART to a PLC - all within one 3.3V device. The 100-pin TQFP provides generous GPIO for relays, indicators, and multiple sensor busses, and the -40C to +85C industrial grade covers unconditioned cabinets. Its 256KB Flash retains ample space for protocol stacks, calibration tables, and field-updatable firmware delivered through the ICSP or bootloader path.
推荐
Audio and Speech Processing
Audio applications leverage the DSP engine's single-cycle MAC for FIR/IIR filtering, echo cancellation, and speech compression in intercoms, PA controllers, and conference systems. The DSPIC33FJ256GP710AT-I/PF pairs its 16-bit core with sufficient 256KB Flash to hold codec code and coefficient tables, while its DCI (Data Converter Interface) serial port connects directly to audio codecs and ADCs at standard sample rates. Running at 3.3V with the deterministic 40 MIPS pipeline ensures sample-accurate processing without real-time OS jitter. For high-fidelity playback paths, an external codec with good SNR is recommended, since the DSC supplies the processing rather than the conversion quality.
推荐
Automotive and Transport Electronics (AT Grade)
The AT suffix on DSPIC33FJ256GP710AT-I/PF denotes Microchip's extended automotive processing flow, making the part suitable for transport and vehicle-adjacent electronics such as pump controllers, HVAC blowers, and lighting ballasts. Combined with the -40C to +85C industrial operating range, it tolerates under-hood-adjacent thermal environments while its 16-bit DSP math handles sensor linearization and closed-loop actuation. Designers connect position sensors via input-capture channels and drive actuators through the motor-control PWM modules, with the 3.3V rail isolated from vehicle 12V by standard transceivers. Always confirm the specific OEM qualification level required, since AT processing is not the same as full AEC-Q100 qualification on every parameter.
推荐
Test, Measurement and Data Acquisition
Bench instruments and distributed data-acquisition units use the DSPIC33FJ256GP710AT-I/PF as a deterministic acquisition controller: its ADC channels digitize sensor inputs while the DSP engine performs averaging, windowing, and FFT pre-processing before results stream over UART or SPI to a host. The 100-pin TQFP supplies ample GPIO for relay multiplexers, range switching, and front-panel indication, and the 256KB Flash stores calibration constants per channel. Operation from a 3.3V rail with industrial temperature rating suits portable and rack-mounted instruments alike. For sub-millivolt precision, pair the DSC with an external precision ADC and reference, keeping the dsPIC33F as the timing and communication master.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ256GP710AT-I/PF ——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 | DSPIC33FJ256GP710-I/PF | DSPIC33FJ256GP710A-I/PF | DSPIC33FJ256GP510-I/PF | DSPIC33FJ256GP510T-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (PF, 14x14 mm) | 100-TQFP (PF) - same | 100-TQFP (PF) - same | 100-TQFP (PF) - same | 100-TQFP (PT, 12x12) - verify footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| Flash Memory | 256KB (256K x 8) | 256KB | 256KB | 256KB | 256KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Silicon Revision | A (with AT flow) | Original (pre-A) | A | A (GP510 die) | A (GP510 die) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
关键差异点
- A-revision silicon in AT processing flow （对比 DSPIC33FJ256GP710-I/PF)
- Automotive processing flow （对比 DSPIC33FJ256GP710A-I/PF)
- Dedicated DSP engine for control math （对比 DSPIC33FJ256GP510-I/PF)
设计说明
Provide a 0.1uF ceramic decoupling capacitor at every VDD/VSS pair of the 100-TQFP, placed within 2-3 mm of each pin, plus one 4.7-10uF bulk capacitor per power domain. The dsPIC33F core derives its internal logic from the 3.3V rail with an on-chip regulator; follow the datasheet's documented VDDCORE/VDD configuration and power-up sequencing. Estimated: with a 40 MHz core drawing tens of milliamps, total board-level dissipation remains under 100 mW, so no heatsinking is required - the constraint is supply integrity, not thermal.
Route the crystal/PLL clock lines short and guard them with ground. Keep PGECx/PGEDx programming pairs routed as matched, accessible pairs to a programming header - remember the rule that a PGECx pin used for ICSPCLK must pair with the corresponding PGEDx for ICSPDAT (e.g., PGEC2 with PGED2), per Microchip programming documentation. Exposing both pairs on the header costs two extra pins and removes field-reprogramming risk. Under the 14x14 TQFP, a solid ground plane with a thermal-friendly array of VSS vias improves signal return paths.
The most common substitution error is confusing package codes: PF denotes a 14x14 mm TQFP while PT denotes 12x12 mm - they do not share a land pattern, so a DSPIC33FJ256GP510T-I/PT is not footprint-identical to this part despite the same pin count. Second, firmware written for the original GP710 die may rely on fixed errata workarounds; when moving to the A-revision, review the silicon errata and datasheet (document 70286C) for register and timing changes before reflashing production units.
合规信息
Compliance certificates were not present in the verified web data retrieved for this specific MPN. Microchip's active dsPIC33F production is generally RoHS/lead-free per company policy, but request the official Microchip Material Declaration Data Sheet for certificate-grade evidence. AT suffix indicates extended processing flow, not full AEC-Q100 qualification.
