DSPIC33FJ128GP710A-I/PF - 16-bit 40 MIPS DSC, 128KB Flash | Microchip
MPN: DSPIC33FJ128GP710A-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.51 | $11.51 |
| 10 | $10.9 | $109.00 |
| 100 | $10.2 | $1,020.00 |
| 500 | $9.6 | $4,800.00 |
| 1,000 | $8.9 | $8,900.00 |
DSPIC33FJ128GP710A-I/PF Overview
A digital signal controller combines the deterministic control of a microcontroller with the math acceleration of a DSP. In the embedded system hierarchy, this part sits between general-purpose 16-bit MCUs (such as PIC24F) and full DSPs: it provides single-cycle MAC, a barrel shifter, and dual operand fetch for signal-processing loops, while retaining MCU peripherals, interrupt latency behavior, and C-compiler friendly semantics. Digital signal controllers are the workhorses of motor control, digital power conversion, and speech/audio processing.
Key features of the GP710A general-purpose family member include the codec-oriented Data Converter Interface (DCI) for speech and audio processing, 12-bit high-speed ADC capability, ECAN controller for industrial networking, multiple UART/SPI/I2C ports, and DMA controllers that move data without CPU intervention. The 'A' suffix denotes an improved die revision of the original dsPIC33FJ128GP710, and the '-I' grade specifies operation from -40C to +85C, suitable for industrial environments.
Architecturally, the dsPIC33F core executes most instructions in a single cycle at up to 40 MIPS from an internal PLL-multiplied oscillator, with hardware loop constructs (DO and REPEAT) that eliminate loop overhead in filter kernels. The peripheral Pin Select (PPS) feature lets designers remap digital peripherals to available pins, greatly easing 100-pin board layout.
Typical applications include speech and audio processing systems (using DCI plus codec interfaces), brushless DC and induction motor control, digital power supplies, industrial sensing and automation nodes, and general embedded control requiring DSP-class math.
Design consideration: the device operates from a nominal 3.3V supply; budget for the 100-TQFP thermal and decoupling requirements with one 0.1uF ceramic capacitor per VDD pin and a low-ESR bulk capacitor, and follow Microchip's oscillator layout guidance for the PLL clock source.
This page synthesizes distributor pricing, drop-in same-footprint alternatives, and practical design notes not found in a single manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ128GP710A-I/PF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ128GP710A-I/PF (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Mounting Type, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128GP710-I/PF
✅ Drop-In✓ In Stock
$5.68 / Unit
View Datasheet →DSPIC33FJ128GP710A-H/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ256GP710A-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.25 / Unit
View Datasheet →DSPIC33FJ64GP710A-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128MC710A-I/PF
✅ Drop-In✓ In Stock
$6.45 / Unit
View Datasheet →DSPIC33FJ128GP710A-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F modified Harvard, DSP engine |
| Max CPU Speed | 40 MIPS |
| Program Memory | 128 KB (128K x 8) FLASH |
| Package | 100-TQFP (14 x 14 mm) |
| Operating Temperature | -40C to +85C (I grade) |
| Communication Peripherals | UART x2, SPI x2, I2C x1, ECAN x1 (per datasheet4u description) |
| Audio Interface | DCI (Data Converter Interface) for speech/audio codecs |
| Mounting Type | Surface Mount |
| Series | dsPIC33F General Purpose (GP) family, die revision A |
| RoHS Status | Compliant (lead-free PF package) |
| Target Applications | Speech/audio processing, motor control, industrial embedded control |
| Development Support | Explorer 16/32 Development Board with PIM sockets |
DSPIC33FJ128GP710A-I/PF 100-tqfp (14 x 14 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ128GP710A-I/PF (100-tqfp (14 x 14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ128GP710A-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128GP710A-I/PF is suitable for 6 applications: Speech and Audio Processing, Industrial Motor Control, Digital Power Conversion, Industrial Automation and Sensing Nodes, Embedded Control with Communication Gateways, Prototyping and Development Systems.
Speech and Audio Processing
The DSPIC33FJ128GP710A-I/PF fits speech and audio systems through its DCI (Data Converter Interface), a dedicated serial port that connects directly to audio codecs, plus DMA channels that stream sample buffers without CPU loading. Microchip explicitly positions the GP family with codec interfaces as well-suited to speech and audio processing. At 40 MIPS with a single-cycle MAC DSP engine, the device executes FIR/IIR filters, echo cancellation, and low-bitrate codecs with margin. Place the DSC between the codec and system logic with short DCI clock traces; the trade-off versus a dedicated audio DSP is lower peak throughput but far simpler single-chip integration and MCU-class control peripherals on the same die.
Recommended
Industrial Motor Control
With a 40 MIPS 16-bit DSP core executing field-oriented control loops and hardware multiply-accumulate, the DSPIC33FJ128GP710A-I/PF handles sensorless BLDC and PMSM current-loop algorithms within tight timing budgets. The ECAN interface links the drive to industrial networks, dual UARTs handle commissioning terminals, and DMA moves ADC results into processing buffers autonomously. Configure the ADC to sample phase currents synchronized to the PWM period and use hardware DO/REPEAT loop constructs inside the FOC kernel to eliminate software loop overhead. For designs needing the dedicated motor-control PWM peripheral module, the pin-compatible DSPIC33FJ128MC710A-I/PF drops onto the same 100-TQFP footprint with a firmware-only change.
Recommended
Digital Power Conversion
Digital SMPS and power-factor-correction stages need fast, deterministic control loops - exactly what the 40 MIPS dsPIC33F core with single-cycle MAC provides. The DSPIC33FJ128GP710A-I/PF samples input/output voltages and currents through its ADC, computes compensator equations in fixed point, and updates duty-cycle comparators each switching cycle, while DMA offloads data logging and ECAN or UART reports telemetry to a host. Keep the control ISR short, use the hardware REPEAT instruction for filter taps, and budget CPU cycles per switching period before choosing the PWM frequency. The 128KB FLASH leaves ample room for multiple operating profiles, soft-start tables, and field-upgradable firmware images in a single part.
Recommended
Industrial Automation and Sensing Nodes
Factory nodes need robust networking, precise analog acquisition, and long-term availability - the DSPIC33FJ128GP710A-I/PF delivers all three with ECAN for CANopen/DeviceNet-style buses, dual UARTs for RS-485 links via external transceivers, and an industrial -40C to +85C temperature grade. The 100-TQFP package exposes enough I/O for sensors, relays, and HMI buttons simultaneously, while the DSP engine performs FFT-based vibration analysis or sensor linearization locally at the edge. Use Peripheral Pin Select to route peripherals to board-optimized pin positions, reducing layer count. On XAIPART the related DSPIC33EV family parts offer CAN-FD-era upgrades, but for existing dsPIC33F codebases this part minimizes requalification effort.
Recommended
Embedded Control with Communication Gateways
Protocol gateway designs benefit from the DSPIC33FJ128GP710A-I/PF's simultaneous UART x2, SPI x2, I2C, and ECAN controllers, letting one chip bridge CAN to serial or SPI networks without external protocol chips. The 40 MIPS core runs protocol stacks, CRC calculation, and buffering concurrently, and DMA keeps peripheral servicing off the CPU so latency-critical tasks stay deterministic. In a typical topology, ECAN connects to the vehicle or plant bus while a UART with an external transceiver serves the field side, and SPI hosts an EEPROM or display. The 128KB FLASH accommodates multiple stack layers plus an OTA-style bootloader with dual-image fallback for safe field updates.
Recommended
Prototyping and Development Systems
The DSPIC33FJ128GP710A-I/PF is directly supported by Microchip's Explorer 16/32 Development Board, which the manufacturer's product page identifies as a low-cost modular system for 16-bit and 32-bit PIC, dsPIC, and PIC32 devices. Processor Plug-In Modules (PIMs) allow the same board to host this 100-pin DSC and other devices, and a PICtail Plus daughter-card connector adds functionality such as codec, storage, or connectivity cards. This makes the part ideal for university labs, early feasibility builds, and firmware bring-up before custom hardware arrives. Develop on the Explorer 16/32, then migrate the proven firmware to the production PCB - the identical device and package make the transition essentially seamless.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128GP710A-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP710-I/PF | DSPIC33FJ128GP710A-H/PF | DSPIC33FJ256GP710A-I/PF | DSPIC33FJ64GP710A-I/PF | DSPIC33FJ128MC710A-I/PF |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | 16-bit dsPIC33F, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| FLASH Memory | 128 KB | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB |
| Silicon Revision | A revision (errata corrected) | Original (see errata sheet) | A revision | A revision | A revision | A revision |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | High temperature (H grade) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Peripheral Focus | General purpose + DCI audio codec interface | General purpose + DCI | General purpose + DCI | General purpose + DCI | General purpose + DCI | Motor control PWM focus |
Key Differentiators
- Corrected A-revision silicon (vs DSPIC33FJ128GP710-I/PF)
- DCI audio codec interface (vs DSPIC33FJ128MC710A-I/PF)
- Memory-optimized cost point (vs DSPIC33FJ256GP710A-I/PF)
- Industrial temperature range (vs DSPIC33FJ128GP710A-H/PF)
Design Notes
The dsPIC33FJ family operates from a nominal 3.3V supply. Estimated: with a 100-pin TQFP running at 40 MIPS and moderate I/O loading, plan the 3.3V rail for at least 100-150 mA headroom including peak DSP-core and simultaneous peripheral operation; verify exact ICC figures in the Microchip datasheet DC characteristics table before finalizing the regulator. Provide individual 0.1uF ceramic decoupling capacitors at every VDD/VDDCORE pin pair placed within 2 mm of the pin, plus one 4.7uF-10uF bulk capacitor per supply domain.
The 100-TQFP (14x14 mm) 0.5 mm-pitch leads require solder-mask-defined or non-solder-mask-defined pads per Microchip's package outline drawing; a 3.9-4.1 mm square pad pattern with standard Gull-Wing fillets is typical. Place the crystal/oscillator for the PLL clock source close to the OSC pins with guard ground rings, since PLL jitter is sensitive to layout. Route DCI audio clock lines away from high-current PWM or CAN lines to avoid clock jitter that appears as audio artifacts. Use Peripheral Pin Select during schematic capture to shorten the busiest signal paths.
Three frequent mistakes with this family: (1) Using the non-A DSPIC33FJ128GP710 without reading the silicon errata sheet (a 10-page document exists per alldatasheet.com) - the A revision corrects documented issues, so always specify the A part for new designs. (2) Assuming the GP and MC 710A variants are firmware-identical - they share the pinout but differ in peripheral modules (DCI vs motor-control PWM), so verify peripheral usage before dropping an MC710A into a GP board. (3) Ignoring ECAN termination and transceiver selection - the ECAN peripheral requires an external CAN transceiver such as the MCP2562 and proper 120-ohm bus termination.
Compliance Information
RoHS compliance and lead-free (PF lead-free TQFP) inferred from distributor listings of this ordering code; REACH, halogen-free, and conflict-minerals status not stated in the provided web data.
