DSPIC33FJ128GP710T-I/PF - 16-bit 40MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33FJ128GP710T-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.65 | $76.50 |
| 100 | $6.9 | $690.00 |
| 500 | $6.35 | $3,175.00 |
| 1,000 | $5.85 | $5,850.00 |
DSPIC33FJ128GP710T-I/PF Overview
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). In the power-management hierarchy of embedded systems, the DSC sits between a general-purpose MCU and a dedicated DSP, providing single-cycle MAC and multiply instructions, hardware divide support, and DSP-style addressing modes while retaining familiar MCU peripherals such as UART, SPI, I2C, and timers.
Key features of this device include the 16-bit dsPIC33F core executing up to 40 million instructions per second, 128KB of self-programmable FLASH program storage, and 16KB of on-chip SRAM for data buffers and control loops. The GP (general purpose) peripheral variant includes multiple UART, SPI, and I2C ports plus motor-control-capable PWM and a high-speed ADC, making it a strong fit for closed-loop digital control where both signal processing and general I/O are required.
Architecturally, the dsPIC33F family is pin compatible with the PIC24H family and shares a very high degree of compatibility with the dsPIC30F family, allowing migration between device families as computational resource and cost requirements evolve, per the Microchip family datasheet (document 70286C). Programming and debugging are handled through In-Circuit Serial Programming (ICSP) via tools such as MPLAB ICD and REAL ICE, and code is developed in C using the MPLAB XC-DSC compiler.
Typical applications include digital power supplies, motor control drives, sensor signal conditioning, and industrial automation nodes that need deterministic DSP-class math with MCU-style peripherals.
A key design consideration is flash endurance: third-party programming documentation notes the datasheet guarantees only 100 erase/write cycles on this family's flash, so avoid repeated in-application self-writing during development.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ128GP710T-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 DSPIC33FJ128GP710T-I/PF (same form factor and footprint) — differing in Package, Packaging, Supply Voltage, Core, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128GP710-I/PF
✅ Drop-In✓ In Stock
$5.68 / Unit
View Datasheet →DSPIC33FJ128GP310T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.46 / Unit
View Datasheet →DSPIC33FJ128GP706A-E/PT
✅ Drop-In✓ In Stock
$5.9 / Unit
View Datasheet →DSPIC33FJ128GP310A-I/PF
✅ Drop-In✓ In Stock
$5.7 / Unit
View Datasheet →DSPIC33FJ128GP206AT-I/PT
✅ Drop-In✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33EP128GP506T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.78 / Unit
View Datasheet →DSPIC33FJ128GP710T-I/PF Maximum Ratings & Electrical Characteristics
| Core | dsPIC 16-bit |
| Series | dsPIC33F |
| Max CPU Speed | 40 MIPs |
| Program Memory Size | 128KB (128K x 8) FLASH |
| RAM Size | 16KB |
| Supply Voltage | 3.3 V |
| Package | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Packaging | Tape & Reel (T suffix) |
| Product Type | Digital Signal Controller (DSC) |
| RoHS Status | Compliant |
| Programming/Debug Interface | ICSP (2-wire) via MPLAB ICD / REAL ICE |
| Compiler Support | MPLAB XC-DSC C/C++ Compiler |
DSPIC33FJ128GP710T-I/PF 100-tqfp (14 x 14 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ128GP710T-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 DSPIC33FJ128GP710T-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128GP710T-I/PF is suitable for 6 applications: Digital Power Supplies, Motor Control Drives, Industrial Automation Nodes, Sensor Signal Conditioning, Audio and Speech Processing, Solar and Renewable Energy Converters.
Digital Power Supplies
The DSPIC33FJ128GP710T-I/PF fits digital power supply control because its 40 MIPS 16-bit core executes single-cycle MAC instructions for compensator math (PID, 3p3z filters) inside multi-hundred-kilohertz control loops. The GP variant's high-speed ADC can sample output voltage and current synchronized to the PWM period, while the motor-control-capable PWM modules generate phase-shifted or complementary outputs with dead-time insertion for LLC, buck, or PFC stages. Running at 3.3V with 128KB FLASH, the same controller holds state machines, protection logic, and communication (UART/I2C) to a host, replacing multiple analog controller ICs with one programmable part.
Recommended
Motor Control Drives
Field-oriented control (FOC) of PMSM and BLDC motors requires fast, deterministic multiply-accumulate operations - exactly what the 40 MIPS dsPIC33F core in the DSPIC33FJ128GP710T-I/PF provides. Current-loop bandwidths of several kilohertz are achievable because ADC sampling can be triggered by the PWM time base, ensuring phase-current samples land away from switching edges. The 16KB RAM holds Clarke/Park transform buffers and observer states, while quadrature encoder interface inputs read position directly. Microchip ships free FOC firmware libraries for the dsPIC33F family, and the Explorer 16/32 Development Board with a dsPIC PIM provides a low-cost prototyping path before committing to the 100-pin TQFP layout.
Recommended
Industrial Automation Nodes
In factory automation, the DSPIC33FJ128GP710T-I/PF acts as an intelligent node combining sensor acquisition, local control, and field communication. Its multiple UART, SPI, and I2C ports connect HMI displays, ADC front-ends, and EEPROM storage simultaneously - the 100-pin TQFP provides enough I/O for all of these without external glue logic. The industrial -40C to +85C rating covers unconditioned cabinets, and the 3.3V supply simplifies interfacing with modern peripherals. DSP instructions run digital filters on vibration or load signals locally, so only status data crosses the bus, reducing network load. Firmware updates in the field use the ICSP interface or self-programming flash routines.
Recommended
Sensor Signal Conditioning
Precision sensors - pressure bridges, thermocouples, load cells - need filtering and calibration math that the DSPIC33FJ128GP710T-I/PF executes efficiently with its DSP instruction set. The on-chip ADC digitizes multiple channels sequentially under DMA or interrupt control, and the 16KB RAM buffers waveform windows for RMS, FFT, or averaging computations. Fixed-point scaling routines run in single-cycle MAC operations, keeping loop latencies predictable. The 100-pin package exposes enough I/O to drive excitation sources, monitor diagnostics, and talk on UART/I2C to a host controller simultaneously, allowing one DSC to replace an analog signal chain plus a separate MCU in compact instrumentation.
Recommended
Audio and Speech Processing
The GP (general purpose) peripheral variant of the DSPIC33FJ128GP710T-I/PF, with its DCI (Data Converter Interface) port and DSP engine, handles audio filtering, echo cancellation, and speech-band processing at 40 MIPS. The 16KB RAM holds delay-line buffers for FIR/IIR filters at typical 8-48 kHz sample rates, and single-cycle MACs execute biquad chains with predictable timing - critical for avoiding audio dropouts. The 100-pin TQFP offers simultaneous UART and SPI links for a codec plus a host interface, while the 3.3V industrial-grade rating suits installed audio equipment. Flash self-write supports in-field parameter storage without an external EEPROM.
Recommended
Solar and Renewable Energy Converters
Grid-tied inverters and MPPT solar charge controllers demand simultaneous high-frequency PWM generation, multi-channel current/voltage sampling, and MPPT algorithm execution - all within the capability of the DSPIC33FJ128GP710T-I/PF. Its 40 MIPS core runs perturb-and-observe or incremental-conductance MPPT loops while inner current loops execute in hardware-timed interrupt service routines synchronized to the PWM. The industrial temperature range (-40C to +85C) suits outdoor enclosures, and 128KB FLASH stores anti-islanding and grid-code compliance routines alongside the control firmware. Multiple UART/I2C ports report telemetry to inverters' monitoring systems without additional controllers.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128GP710T-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP710-I/PF | DSPIC33FJ128GP310T-I/PT | DSPIC33FJ128GP206AT-I/PT |
|---|---|---|---|---|
| Package | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) - same | 64-TQFP (10 x 10 mm) | 64-TQFP (10 x 10 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs |
| Program Memory | 128KB FLASH | 128KB FLASH | 128KB FLASH | 64KB FLASH |
| RAM | 16KB | 16KB | 16KB | 8KB |
| Pin Count | 100 | 100 | 64 | 64 |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Packaging | Tape & Reel (T suffix) | Tube | Tape & Reel | Tape & Reel |
Key Differentiators
- 100-pin I/O density in the dsPIC33FJ 128KB family (vs DSPIC33FJ128GP310T-I/PT)
- Full memory density with mature tool support (vs DSPIC33FJ128GP206AT-I/PT)
- Trade-off: older F-generation core vs EP successors (vs DSPIC33EP128GP506T-I/PT)
Design Notes
Power the DSPIC33FJ128GP710T-I/PF from a clean 3.3V rail with a 0.1uF ceramic capacitor at each VDD/VSS pair placed within 5 mm of the pins, plus bulk 10uF near the corner pairs. If the board derives 3.3V from a switching supply, add an LDO post-regulator or ferrite bead filter - ADC reference noise directly degrades control-loop accuracy. Verify core/PLL sequencing per datasheet power-up requirements; the dsPIC33F has an internal voltage regulator requiring an external low-ESR capacitor on the VCAP pin sized per the family datasheet (70286C).
Flash endurance is a real constraint on this family: third-party programming documentation (northernsoftware.com) notes the datasheet guarantees only 100 erase/write cycles. During development, avoid nightly full-chip reprogramming cycles that burn endurance; use RAM-resident debugging where possible. For in-field parameter storage, add an external I2C EEPROM (e.g., 24LC series) rather than self-writing the program flash, which risks both endurance exhaustion and code corruption if power fails mid-write.
The 100-TQFP (14 x 14 mm) has 0.5 mm pin pitch - use 4-mil trace/space design rules and define the land pattern per the package drawing in document 70286C. Assign oscillator, ICSP (PGD/PGC), and analog pins first, then distribute high-current PWM outputs to corner pins for short gate-driver traces. Place a solid ground plane under the device; route analog inputs away from PWM switching edges. Note that one 100-pin TQFP footprint also accepts family members with different memory densities, so reserve populating flexibility for future BOM changes.
At 40 MIPS with a fast internal clock (typically derived from an external crystal through the PLL), keep the crystal within 10 mm of the OSC pins with short ground returns for the load capacitors. The 2-wire ICSP interface (PGEC/PGED) should have direct, unshared traces to a programming header - sharing these pins with heavily loaded peripheral signals can cause debugging failures. If EMI is a concern in motor-drive environments, enable the configurable slew-rate and open-drain features on I/O pins driving long cables.
Compliance Information
Distributor data (DigChip) lists RoHS compliance details for this part. REACH, halogen-free, and conflict-minerals statuses were not stated in the provided data.
