DSPIC33FJ128GP708-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock

DSPIC33FJ128GP708-I/PT is a 16-bit digital signal controller with 128KB Flash memory and up to 64MHz clock in an 80-pin TQFP package by Microchip. Key specs: fixed-point DSP engine, integrated ADC, DMA channels, and multiple communication peripherals. From competitive pricing, in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jul 2026
Package / Visual Reference
DSPIC33FJ128GP708-I/PTQuad Flat Packages
Quick Facts
Manufacturer
Microchip
Package
Quad Flat Packages
Pin Count
80
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $6.7500(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of DSPIC33FJ128GP708-I/PT?

  • 16-bit fixed-point DSP engine running up to 64 MHz for real-time signal processing in control applications
  • 128 KB Flash program memory with DMA channels for efficient data transfer without CPU overhead
  • Integrated ADC and rich peripheral set in a compact 80-pin TQFP package for high-density motor and power control designs

What is DSPIC33FJ128GP708-I/PT used for?

DSPIC33FJ128GP708-I/PT is designed for digital motor control, power factor correction, and solar inverter applications where a 16-bit DSP core running at 64MHz provides the computation throughput needed for real-time control loops. Its integrated DMA channels and ADC enable simultaneous data acquisition and processing without CPU intervention, reducing latency in closed-loop feedback systems. Industrial drives, UPS systems, and smart grid equipment benefit from the device's combination of signal processing capability and rich communication peripherals.

What are the specifications of DSPIC33FJ128GP708-I/PT?

Pbfree CodeYes
Manufacturer Package CodeTQFP-80
Factory Lead Time6Weeks
Has ADCYES
Bit Size16
Clock Frequency-Max64MHz
DAC ChannelsNO
DMA ChannelsYES
FormatFIXED-POINT
JESD-30 CodeS-PQFP-G80
JESD-609 Codee3
Number of I/O Lines69
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTQFP80,.55SQ
Package ShapeSQUARE
Package StyleFLATPACK, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)260
Power Supplies3.3V
Qualification StatusNot Qualified
RAM (words)8192
ROM ProgrammabilityFLASH
Speed32MHz
SubcategoryDigital Signal Processors
Supply Voltage-Max3.6V
Supply Voltage-Min3V
Supply Voltage-Nom3.3V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)40
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
PackageQuad Flat Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 3

Where can I find the DSPIC33FJ128GP708-I/PT datasheet?

DSPIC33FJ128GP708-I/PT Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for DSPIC33FJ128GP708-I/PT?

Compatible alternatives and drop-in replacements for DSPIC33FJ128GP708-I/PT:

DSPIC33FJ128GP706-I/PTMicrochip Technology Inc

16-Bit Size, 0-Ext Bit, 40MHz, CMOS, PQFP64

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DSPIC33FJ128GP710-I/PTMicrochip Technology Inc

16 BIT MCU/DSP 100LD 40 MIPS 128KB FLASH GP

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DSPIC33FJ128GP206-I/PTMicrochip Technology Inc

16-Bit Size, 0-Ext Bit, 40MHz, CMOS, PQFP64

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DSPIC33FJ128GP306-I/PTMicrochip Technology Inc

16-Bit Size, 0-Ext Bit, 40MHz, CMOS, PQFP64

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DSPIC33FJ64GP708-I/PTMicrochip Technology Inc

16-Bit Size, 0-Ext Bit, 40MHz, CMOS, PQFP80

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DSPIC33FJ128GP310-I/PTMicrochip Technology Inc

16 BIT MCU/DSP 100LD 40 MIPS 128KB FLASH GP

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DSPIC33FJ64GP706-I/PTMicrochip Technology Inc

16-Bit Size, 0-Ext Bit, 40MHz, CMOS, PQFP64

View Part →
DSPIC33FJ64GP306-I/PTMicrochip Technology Inc

16-Bit Size, 0-Ext Bit, 40MHz, CMOS, PQFP64

View Part →
DSPIC33FJ64GP710-I/PTMicrochip Technology Inc

16 BIT MCU/DSP 100LD 40 MIPS 64KB FLASH GP

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DSPIC33FJ256GP506-I/PTMicrochip Technology Inc

16 BIT MCU/DSP 64LD 40 MIPS 256KB FLASH GP

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Frequently Asked Questions

What DSP performance does DSPIC33FJ128GP708-I/PT deliver for real-time motor control?

DSPIC33FJ128GP708-I/PT operates a 16-bit fixed-point DSP engine at up to 64 MHz, yielding 64 MIPS of instruction throughput for control algorithms such as PID loops, Park and Clarke transforms, and space-vector modulation. At 64 MHz, the device can complete a full 3-phase motor control ISR in under 10 µs, enabling switching frequencies above 20 kHz. Its DMA channels offload ADC result transfers, keeping the CPU free for algorithm execution.

How much program memory and RAM does DSPIC33FJ128GP708-I/PT provide for complex control firmware?

DSPIC33FJ128GP708-I/PT includes 128 KB of Flash program memory and 16 KB of data RAM, sufficient to hold a full MPLAB Harmony or FreeRTOS-based motor control application alongside lookup tables and communication stacks. The 128 KB Flash supports XC16 compiler-generated code without memory overlays for most industrial drive projects. DMA channels further reduce RAM bandwidth contention by autonomously moving ADC samples and UART receive buffers.

Which industrial and power conversion designs best match DSPIC33FJ128GP708-I/PT?

DSPIC33FJ128GP708-I/PT suits AC induction and PMSM motor drives, digital power factor correction stages, and grid-tied inverters where a 16-bit DSP with 64 MHz throughput is needed. Its 80-pin TQFP package (JESD-30 S-PQFP-G80) accommodates the I/O density required for 3-phase PWM generation, encoder interfaces, and CAN or UART communications simultaneously. UPS systems and solar microinverters also leverage its fast ADC and DMA to execute volt-second balancing algorithms at switching frequencies up to 20 kHz.

What lead time and availability should procurement teams expect for DSPIC33FJ128GP708-I/PT?

DSPIC33FJ128GP708-I/PT has a factory lead time of approximately 6 weeks from Microchip's manufacturing pipeline. Procurement teams should maintain safety stock or place orders well ahead of production schedules, especially during high-demand periods when 16-bit microcontroller supply can tighten. The 80-pin TQFP package is widely stocked by authorised distributors, and the Pb-free construction meets RoHS requirements for global shipment.

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AvailabilityIn Stock
Reference Price (USD)
From $6.7500
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$9.3000$9.30
90+$9.1200$820.80
100+$7.7300$773.00
1000+$7.1000$7100.00
5000+$6.7500$33750.00
pcs
Unit price: $9.3000 · Total: $9.30

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy