DSPIC33FJ64GP710-I/PT - 16-bit DSC 40 MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GP710-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.48 | $64.80 |
| 100 | $5.76 | $576.00 |
| 500 | $5.18 | $2,590.00 |
| 1,000 | $4.68 | $4,680.00 |
DSPIC33FJ64GP710-I/PT Overview
A digital signal controller combines the compute architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC sits above general-purpose MCUs for math-intensive tasks: its 16-bit modified Harvard architecture, DSP engine, and rich analog/timer peripherals make it the bridge between a PIC-class MCU and a dedicated DSP. The dsPIC33F family shares seamless migration options to and from PIC24 MCUs and dsPIC30F DSCs in similar packages.
Key features of this device include the 64KB (64K x 8) self-programmable Flash, 40 MIPS maximum throughput, an industrial-grade operating range implied by the -I temperature suffix, and a 100-terminal TQFP footprint with 0.5 mm pitch that suits high-pin-count motor-control and signal-processing boards. The GP (general purpose) variant carries a broad peripheral portfolio including UART, SPI, I2C, and ADC resources typical of the dsPIC33F General Purpose family.
Architecturally, the dsPIC33F core executes most instructions in a single cycle and includes hardware DSP multiply-accumulate support, enabling real-time control loops and filtering that would overload a conventional 8-bit or basic 16-bit MCU. Operation from a nominal 3.3 V supply (3.0 V to 3.6 V) simplifies integration with modern logic rails.
Typical applications include digital power supplies, motor control (BLDC/PMSM/ACIM), industrial automation, sensor signal conditioning, and audio or communications processing where the GP peripherals and DSP instructions are both required.
For design, allow brown-out and power-supply sequencing margin at 3.3 V operation, and verify Flash endurance and temperature derating against the official Microchip datasheet before final qualification.
This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ64GP710-I/PT — 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 DSPIC33FJ64GP710-I/PT (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, RoHS Status, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP710A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP710-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ256GP710-I/PT
✅ Drop-In✓ In Stock
$9.9 / Unit
View Datasheet →DSPIC33FJ64GP710AT-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP710-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP710-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Max CPU Speed | 40 MIPS (40 MHz) |
| Program Memory (Flash) | 64KB (64K x 8) |
| Supply Voltage | 3.0 V to 3.6 V (nominal 3.3 V) |
| Package | 100-TQFP (12x12 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Communication Interfaces | UART, SPI, I2C (per dsPIC33F GP family) |
| RoHS Status | ROHS3 Compliant |
| Base Product Number | DSPIC33FJ64GP710 |
| Packaging Variant Suffix | /PT = 100-pin TQFP, Tape & Reel |
| Migration Path | Seamless to/from PIC24 MCUs and dsPIC30F DSCs in similar packages |
DSPIC33FJ64GP710-I/PT 100-tqfp (12x12 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP710-I/PT (100-tqfp (12x12 mm), 0.5 mm pitch 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 DSPIC33FJ64GP710-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP710-I/PT is suitable for 6 applications: Digital Power Supplies, Motor Control (BLDC/PMSM/ACIM), Industrial Automation and PLC I/O, Sensor Signal Conditioning and Data Acquisition, Audio and Speech Processing, Embedded Control and IoT Gateways.
Digital Power Supplies
The DSPIC33FJ64GP710-I/PT fits digitally controlled AC-DC and DC-DC converters because its 16-bit DSP core executes at 40 MIPS with single-cycle multiply-accumulate, closing voltage and current loops at the switching frequencies typical of flyback, LLC, and PFC stages. Its 100-pin TQFP exposes enough PWM outputs and ADC inputs to run multi-rail topologies with phase management, while the 3.0 V to 3.6 V core supply matches standard 3.3 V housekeeping rails. Use it between the sensing dividers and the gate drivers, dedicating one high-resolution PWM channel per converter leg; unlike analog-only control, firmware enables soft-start profiles, adaptive dead-time, and telemetry over UART or SPI. The trade-off is firmware validation effort: loop tuning happens in software, so budget simulation and EMC testing time accordingly.
Recommended
Motor Control (BLDC/PMSM/ACIM)
Field-oriented control of brushless DC, permanent-magnet synchronous, and induction motors demands exactly what the DSPIC33FJ64GP710-I/PT provides: 40 MIPS of 16-bit throughput, hardware multiply-accumulate for Clarke/Park transforms and PI current loops, and abundant I/O on the 100-pin TQFP for three-phase PWM, encoder or resolver feedback, and protective fault inputs. The general purpose peripheral set adds UART and CAN-class communication for drive-level networking in industrial automation. Deploy it between current-sense amplifiers and the three-phase inverter gate drivers; the high pin count also supports dual-motor single-chip designs, reducing BOM cost versus discrete controller-plus-communication MCUs. Keep gate-drive returns separate from analog sensing grounds, and verify PWM dead-time insertion features against the official Microchip datasheet for your inverter topology.
Recommended
Industrial Automation and PLC I/O
In factory automation nodes, the DSPIC33FJ64GP710-I/PT acts as a smart sensor and actuator controller: the 100-pin TQFP provides the I/O density to handle multiple ADC channels, rotary encoders, relays, and serial links simultaneously, while the 40 MIPS core runs filtering, linearization, and protocol stacks without external logic. Its industrial temperature suffix targets the harsh electrical environments of control cabinets, and ROHS3 compliance simplifies CE-region deployment. A common architecture pairs this DSC with RS-485 or CAN transceivers for fieldbus nodes driving valves, steppers, or analog actuators. Because 64KB Flash is ample for Modbus-class stacks but not for full webs of protocols, choose the DSPIC33FJ256GP710 sibling if your roadmap includes richer stacks; the same footprint makes migration a BOM change only.
Recommended
Sensor Signal Conditioning and Data Acquisition
The DSPIC33FJ64GP710-I/PT suits multi-channel acquisition systems that must filter and interpret analog data locally: its 16-bit core with DSP instructions performs IIR/FIR filtering, RMS computation, and thresholding at 40 MIPS, while the high pin count of the 100-TQFP accommodates many analog inputs plus SPI/I2C links to precision converters. Typical deployments include weigh scales, pressure and flow transmitters, and vibration monitors where results ship over UART to a host PLC. Place it downstream of analog front-end amplifiers, using the DSC for digital compensation and self-diagnostics that pure analog chains cannot offer. The general purpose family positioning from Microchip explicitly targets sensing applications; confirm the on-chip ADC channel count and sampling rate in the official datasheet before finalizing channel allocation in your design.
Recommended
Audio and Speech Processing
Speech recognition front-ends, intercoms, and industrial audio signalling benefit from the DSPIC33FJ64GP710-I/PT combination of DSP multiply-accumulate throughput at 40 MIPS and general purpose serial peripherals on a single 100-pin TQFP die. The core executes codec interfacing over I2S-class serial links (via SPI-capable pins), endpoint detection, and feature extraction in real time, while remaining a fully programmable MCU for product logic - avoiding a two-chip DSP-plus-MCU split. Integrate it between an external audio codec and power amplifier drivers; 64KB Flash holds speech-prompt tables and modest recognition models, and the FindIC-listed DSPIC33FJ256GP710 drop-in sibling provides headroom for larger tables without PCB change. Note that this is a general purpose, not audio-specialized, dsPIC33 variant, so verify sample-rate and DMA capabilities against the Microchip datasheet.
Recommended
Embedded Control and IoT Gateways
As a general purpose 16-bit controller, the DSPIC33FJ64GP710-I/PT anchors embedded control boards that bridge local devices to higher-level connectivity: the DSC handles real-time tasks at 40 MIPS while UART, SPI, and I2C links connect to radio modules, memory, and sensors across the 100-pin TQFP's extensive I/O. Typical designs pair it with a wireless module for industrial IoT gateways, energy monitors, and building control nodes, where the DSC time-slices protocol handling and control loops deterministically - something pure application processors cannot guarantee. The ROHS3-compliant, surface-mount TQFP supports automated assembly for volume production. Design consideration: the 3.3 V I/O domain matches most modern radio modules directly, simplifying level-shifting; reserve ICSP pins for field firmware updates via a standard Microchip programmer.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP710-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP710A-I/PT | DSPIC33FJ128GP710-I/PT | DSPIC33FJ256GP710-I/PT | PIC24HJ128GP710-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit PIC24H, 40 MIPS (no DSP engine) |
| Flash Memory | 64KB | 64KB | 128KB | 256KB | 128KB |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| DSP Engine | Yes | Yes | Yes | Yes | No (MCU only) |
Key Differentiators
- Revised silicon available without redesign (vs DSPIC33FJ64GP710A-I/PT)
- Lowest-Flash member of the 100-pin GP family (vs DSPIC33FJ128GP710-I/PT)
- True DSP engine, unlike the PIC24 sibling (vs PIC24HJ128GP710-I/PT)
Design Notes
Operate the DSPIC33FJ64GP710-I/PT from a well-regulated 3.3 V rail within its 3.0 V to 3.6 V range. Decouple every VDD/VSS pair on the 100-pin TQFP with 0.1 uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 10 uF capacitor per board side. Enable the internal brown-out reset if your supply can sag during motor or converter transient events. Estimated: with roughly 40-60 mA typical core+I/O current (estimate - confirm in the official datasheet electrical specifications), a 200 mV supply ripple budget leaves ample margin, but long traces between regulator and DSC can erode it.
On the 0.5 mm-pitch 100-TQFP land pattern, fan out via dog-bone vias rather than via-in-pad to aid assembly yield. Reserve the ICSP pins (MCLR, PGD, PGC) on a 5-pin header for in-circuit programming with PICkit/ICD tools - the SMH Technologies standalone programmer explicitly supports this device for production flows. Keep analog ADC input traces short, guard them with ground, and route them away from PWM and crystal lines. Provide a solid ground plane under the package; avoid splitting it between analog and digital return regions.
Do not confuse /PT (100-TQFP 12x12 mm) with /PF (100-TQFP 14x14 mm) - the land patterns differ and the parts are not interchangeable. Also verify silicon revision: the base DSPIC33FJ64GP710 die has known errata that the A-revision (DSPIC33FJ64GP710A) resolves; check the Microchip errata sheet against your peripheral usage list before release. Finally, confirm the exact industrial temperature range and MSL rating from the official Microchip datasheet before final qualification - this page flags those values as data-needed rather than guessing.
Compliance Information
ROHS3 Compliant per GlobalSpec distributor datasheet listing. REACH, lead-free, and halogen-free status not stated in the provided data - verify on the Microchip product page.
