DSPIC33FJ64GP802T-I/MM - 16-bit DSC 40MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GP802T-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.68 | $5.68 |
| 10 | $5.2 | $52.00 |
| 100 | $4.85 | $485.00 |
| 500 | $4.5 | $2,250.00 |
| 1,000 | $4.12 | $4,120.00 |
DSPIC33FJ64GP802T-I/MM Overview
A Digital Signal Controller combines the computational architecture of a digital signal processor (DSP) - including a hardware barrel shifter, DSP multiply-accumulate instructions, and fast interrupt handling - with the peripheral integration and ease of use of a general-purpose microcontroller (MCU). Within Microchip's hierarchy, the dsPIC33F family sits between the PIC24 16-bit MCU family and the dsPIC33E high-performance DSC family, making it a popular choice for mixed control-and-signal-processing workloads.
Key features of this device include a 16-bit modified Harvard architecture core operating at up to 40 MIPS from a 3.0 V to 3.6 V supply, 64 KB of self-programmable FLASH for field upgrades, and an advanced analog subsystem intended for precision sensing. The GP (General Purpose) peripheral variant adds audio-grade connectivity, making it suitable for signal-chain applications that standard MCUs struggle to serve in a single chip.
Technically, the dsPIC33FJ64GP802 executes two-instruction-fetch pipelined code efficiently, includes a hardware DSP engine supporting MAC-class operations for digital filter algorithms and high-speed precision digital control loops, and supports low-power modes plus boundary scan capabilities as described in distributor device summaries. According to Microchip's family documentation, these dsPIC33F devices are designed to execute digital filter algorithms and high-speed control loops under pressure - the defining use case for the family.
Typical applications include digital power supplies and lighting control, motor control, audio signal processing, and industrial sensors where the combination of DSP math, general-purpose I/O, and on-chip analog reduces system BOM count. The 6x6 mm QFN-S package supports compact surface-mount designs in industrial and portable equipment.
A key design consideration: the device operates only from a 3.0 V to 3.6 V supply, so 5 V systems require level shifting or a local 3.3 V regulator; plan decoupling on both VDD pins and reference the analog front end carefully to preserve signal integrity.
This page synthesizes verified distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GP802T-I/MM — 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 DSPIC33FJ64GP802T-I/MM (same form factor and footprint) — differing in Core Architecture, I/O Ports, Operating Temperature, Package, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128GP802T-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GP802T-H/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GP302T-I/MM
✅ Drop-In✓ In Stock
$3.28 / Unit
View Datasheet →DSPIC33FJ32GP304T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32MC302T-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33FJ64MC802T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP802T-I/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F modified Harvard |
| Maximum Clock / Performance | 40 MIPS |
| Program Memory (FLASH) | 64 KB (64K x 8) |
| SRAM | 16 KB (16K x 8) |
| Operating Voltage Range | 3.0 V to 3.6 V |
| General Purpose I/O | 21 I/O |
| Package | 28-QFN-S (6x6 mm) |
| Mounting Type | Surface Mount |
| Terminal Count | 28 |
| Terminal Form | No Lead (HVQCCN, square) |
| Temperature Grade | Industrial (-40C to +85C) |
| Packaging | Tape & Reel (T suffix) |
| DSP Features | Barrel shifter, DSP engine, boundary scan |
| Power Management | Low-power modes supported |
DSPIC33FJ64GP802T-I/MM 28-qfn-s (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP802T-I/MM (28-qfn-s (6x6 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 DSPIC33FJ64GP802T-I/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP802T-I/MM is suitable for 6 applications: Digital Power Supplies and Lighting Control, Motor Control Drives, Audio Signal Processing, Industrial Sensing and Instrumentation, Portable and Handheld Devices, Embedded Control and IoT Nodes.
Digital Power Supplies and Lighting Control
The DSPIC33FJ64GP802T-I/MM fits digital power and lighting applications because its 40 MIPS dsPIC33F core executes high-speed precision digital control loops in hardware, exactly the workload Microchip designed the family for. The on-chip advanced analog subsystem samples feedback voltages and currents, while the 64 KB FLASH holds compensator code plus state machines for constant-current LED drivers and LLC or buck converters. Running from a 3.0 V to 3.6 V supply with 21 multiplexed I/O, one QFN-S 28-pin device can replace analog error-amp chains and discrete timing logic, shrinking BOM count. Designers typically budget interrupt latency and ADC sequencing carefully so the control loop closes well above the power stage bandwidth.
Recommended
Motor Control Drives
The DSPIC33FJ64GP802T-I/MM serves compact motor-control nodes because its DSP engine computes field-oriented-control mathematics - Clarke/Park transforms and PI loops - deterministically at 40 MIPS without an external coprocessor. The 16 KB SRAM buffers current-sampling history while the advanced analog front end digitizes phase currents from shunt or Hall sensors. The 28-QFN-S 6x6 mm footprint keeps the controller on the same PCB as the gate-driver stage in compact drives for fans, pumps, and small industrial actuators. Firmware for sensorless startup routines fits comfortably in 64 KB FLASH, and the industrial -40C to +85C rating covers typical drive enclosures. Pair the controller with a suitable MOSFET gate driver and current-sense amplifier for a complete low-voltage drive.
Recommended
Audio Signal Processing
The DSPIC33FJ64GP802T-I/MM is appropriate for embedded audio because the GP (General Purpose) peripheral variant adds audio-grade connectivity, and the core's DSP instructions execute filter banks, mixing, and codec glue logic efficiently at 40 MIPS. With 64 KB FLASH, developers fit moderate FIR/IIR chains, AGC, and communication firmware; 16 KB SRAM supports frame-based buffering at typical sample rates. The 21 I/O pins handle I2C/SPI control of external codecs and DACs, letting a single 6x6 mm QFN device manage a complete signal path in products such as conferencing hardware, intercoms, and effects units. For demanding dynamic range targets, pair the DSC with a dedicated audio codec over I2S-class interfaces and keep the analog supply clean.
Recommended
Industrial Sensing and Instrumentation
The DSPIC33FJ64GP802T-I/MM fits industrial sensor front ends because it combines an advanced analog subsystem for precision sampling with DSP mathematics for digital filtering and calibration, removing the need for a separate signal-processor IC. The 3.0 V to 3.6 V supply and -40C to +85C industrial rating match factory-floor electronics, while 21 multiplexed I/O supports UART, SPI, and I2C links to displays and PLC backplanes. The 64 KB FLASH accommodates compensation tables, linearization curves, and communication stacks, and its self-programmability enables field firmware updates. Boundary scan capability, noted in device summaries, simplifies production test. Place the QFN controller on a clean analog ground island and decouple both VDD pins to preserve low-noise measurements at microvolt-level signals.
Recommended
Portable and Handheld Devices
The DSPIC33FJ64GP802T-I/MM suits portable equipment because its 6 mm x 6 mm no-lead QFN-S package minimizes board area and thermal mass, while low-power modes extend battery life between charges in sleep-heavy duty cycles. The 40 MIPS core delivers responsiveness for user interfaces and signal processing, and 64 KB FLASH plus 16 KB SRAM fits GUI state machines alongside the DSP workload in one chip. Operating from a single 3.3 V rail simplifies power-tree design with one-cell Li-Ion or primary cells managed by a boost/buck regulator. The industrial temperature rating also gives margin against enclosed, heat-trapping handheld housings. Minimize quiescent overhead by gating unused peripherals and exploiting the device's idle/doze power modes during inactive periods.
Recommended
Embedded Control and IoT Nodes
The DSPIC33FJ64GP802T-I/MM works well as the main controller in connected nodes that combine sensing with local signal analysis. Its DSP engine performs preprocessing - RMS computation, FFT windows, digital filters - before transmitting summaries over UART/SPI/I2C links to Wi-Fi or Ethernet modules, reducing link bandwidth and cloud compute cost. The 64 KB FLASH supports field-updatable firmware via self-programming, important for deployed IoT fleets, and boundary scan aids manufacturing test. At 40 MIPS with a 3.0 V to 3.6 V supply, one 28-QFN-S device handles both control and communication glue logic in the footprint of a typical MCU. Evaluate expected wake/sleep cycling to size the supply and ensure the -40C to +85C rating covers the deployment environment.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP802T-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP802T-I/MM | DSPIC33FJ64GP802T-H/MM | DSPIC33FJ32GP302T-I/MM | DSPIC33FJ64MC802T-I/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Memory | 64 KB | 128 KB | 64 KB | 32 KB | 64 KB |
| Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Peripheral Family | GP (General Purpose) | GP (General Purpose) | GP (General Purpose) | GP (General Purpose) | MC (Motor Control) |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | H grade (differs) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| 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 |
Key Differentiators
- Balanced 64 KB FLASH at lowest cost in the GP802 family (vs DSPIC33FJ128GP802T-I/MM)
- Industrial temperature rating for standard production environments (vs DSPIC33FJ64GP802T-H/MM)
- Audio-grade GP peripheral variant versus motor-control MC variants (vs DSPIC33FJ64MC802T-I/MM)
Design Notes
The DSPIC33FJ64GP802T-I/MM requires a regulated 3.0 V to 3.6 V supply - do not connect it directly to 5 V rails. Provide a 3.3 V LDO with adequate output current for 40 MIPS operation, and place 0.1 uF ceramic decoupling capacitors at both VDD pins of the 28-QFN-S package, within 2 mm of the pins, plus bulk capacitance near the regulator. A shared ferrite bead between digital and analog supply entries helps keep core switching noise out of the advanced analog subsystem.
The 28-QFN-S (6x6 mm) no-lead package dissipates heat through its exposed underside lands. Follow Microchip's QFN land-pattern guidance: extend the ground lands slightly beyond the package edge for solder fillet inspection, and connect them to the ground plane with a thermal-via array. Use the MCLR pin with a 4.7-10 kOhm pull-up and a series resistor for in-circuit serial programming (ICSP) access so firmware can be flashed after assembly without removing the board from the fixture.
Do not configure the oscillator fuse settings blindly - incorrect clock configuration can lock out reprogramming via the standard ICSP pins. Plan remappable peripheral pin assignments early: with only 21 I/O on this 28-pin device, analog-critical signals should be assigned first, then communication peripherals. Verify the exact ADC channel count and peripheral mapping against the dsPIC33FJ64GPX02/X04 family datasheet before finalizing the schematic, since distributor summaries do not list every peripheral detail.
Compliance Information
Compliance data not present in the retrieved web data. Microchip standard production parts of this family are typically RoHS-compliant, but this must be confirmed on the official Microchip product page or the distributor environmental data before being stated publicly.
