DSPIC33FJ128GP710AT-I/PT - 40MIPS 128KB DSC | Microchip Technology
MPN: DSPIC33FJ128GP710AT-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.66 | $7.66 |
| 10 | $7.2 | $72.00 |
| 100 | $6.82 | $682.00 |
| 500 | $6.45 | $3,225.00 |
| 1,000 | $6.05 | $6,050.00 |
DSPIC33FJ128GP710AT-I/PT Overview
A digital signal controller combines the computational throughput of a digital signal processor with the simplicity, ease of use, and peripheral integration of a microcontroller. Within the embedded hierarchy, the dsPIC33F family sits between general-purpose MCUs and dedicated DSPs, providing hardware DSP engine features such as multiply-accumulate instructions while retaining deterministic real-time control behavior.
Key features of this device include the 16-bit dsPIC33F CPU core executing up to 40 MIPS, 128KB of on-chip Flash program memory for substantial code space, and industrial-grade temperature operation to +85C. The GP (General Purpose) variant balances communication peripherals and analog capability, and the device supports In-Circuit Serial Programming (ICSP) via the MPLAB Snap and compatible tools, enabling field debugging with only two I/O pins plus the reset line.
Architecturally, the device is built in CMOS technology with a modified Harvard bus structure supporting simultaneous instruction and data fetch. Microchip offers the Explorer 16/32 Development Board with Plug-In Modules (PIMs) supporting this device family, and the MPLAB X ecosystem covers compilation, simulation, and in-circuit debugging. The AT marking denotes a specific product grade within the dsPIC33FJ128GP710 family, and the /PT suffix identifies the 100-terminal TQFP package with 0.4 mm terminal pitch.
Typical applications include digital power conversion, motor control, sensor fusion and digital filtering, industrial automation, and general-purpose signal processing where 16-bit integer DSP throughput and MCU-style peripherals are required.
Design consideration: supply voltage must remain within the 3.0V to 3.6V window; add robust decoupling at each VDD/VSS pair around the 100-pin TQFP and verify clock configuration early, since oscillator setup is a common bring-up pitfall.
This page synthesizes distributor pricing, drop-in alternatives, comparison data, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate sourcing and second-source options in one place.
Drop-in alternatives for DSPIC33FJ128GP710AT-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 DSPIC33FJ128GP710AT-I/PT (same form factor and footprint) — differing in Packaging, RoHS Status, Series, Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128GP710T-I/PT
✅ Drop-In✓ In Stock
$4.9 / Unit
View Datasheet →DSPIC33FJ128GP710A-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128GP710AT-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP310T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.46 / Unit
View Datasheet →DSPIC33FJ256GP710A-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$15.6 / Unit
View Datasheet →DSPIC33FJ128GP710AT-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F |
| Core Architecture | 16-bit |
| Max Clock Frequency | 40 MHz |
| Max Performance | 40 MIPS |
| Program Memory Size | 128KB Flash |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| Package | 100-TQFP (12x12 mm), 0.4 mm terminal pitch |
| Mounting Type | Surface Mount |
| Technology | CMOS |
| Product Type | Digital Signal Controller (DSC) |
| Series | dsPIC33FJ128GP710A |
| Packaging | Tube |
| Factory Pack Quantity | 40 |
| Programming/Debug Interface | ICSP (2-wire, via MPLAB Snap) |
| RoHS Status | RoHS compliant |
DSPIC33FJ128GP710AT-I/PT 100-tqfp (12x12 mm), 0.4 mm terminal pitch Pin Configuration Guide
Pin configuration for DSPIC33FJ128GP710AT-I/PT (100-tqfp (12x12 mm), 0.4 mm terminal 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 DSPIC33FJ128GP710AT-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128GP710AT-I/PT is suitable for 6 applications: Digital Power Conversion, Motor Control, Industrial Automation and Sensing, Digital Audio and Signal Processing, Medical and Health Monitoring Devices, Embedded Systems Prototyping and Education.
Digital Power Conversion
Digital power supplies, PFC stages, and DC-DC converters benefit directly from the DSPIC33FJ128GP710AT-I/PT's 40 MIPS 16-bit core, which executes Proportional-Integral-Derivative and predictive control loops with deterministic cycle-level timing. The DSC's DSP multiply-accumulate capability accelerates the mathematical core of digital control laws, while its 3.0V to 3.6V operation and industrial -40C to +85C rating suit enclosed power stages. Implemented with switching-frequency interrupts feeding PWM peripherals, the controller closes current and voltage loops in microseconds; the trade-off versus analog controllers is firmware complexity, offset by field-update capability through ICSP programming with MPLAB Snap and superior adaptability to changing load conditions.
Recommended
Motor Control
Brushless DC, permanent-magnet synchronous, and AC induction motor drives are a core dsPIC33F use case, and the 128KB Flash of the DSPIC33FJ128GP710AT-I/PT accommodates field-oriented control (FOC) stacks with commutation, protection, and communication code in one device. The 40 MIPS throughput sustains current-loop rates in the tens of kilohertz, while the GP-series peripheral set supports the PWM generation and feedback acquisition that motor control demands. Deployed as the single control IC in the drive board, it eliminates a separate gate-driver MCU; designers should budget headroom in the 3.3V rail for gate-driver supply separation and validate fault-response latency, which the deterministic 16-bit core handles predictably versus softer software architectures.
Recommended
Industrial Automation and Sensing
Factory automation nodes, sensor transmitters, and process-control interfaces use the DSPIC33FJ128GP710AT-I/PT where 16-bit integer DSP filtering (FIR/IIR on the hardware DSP engine) conditions raw sensor data before transmission. The -40C to +85C industrial rating and CMOS process give reliable operation in cabinets and field installations, while 128KB Flash holds protocol stacks plus calibration routines. In a typical 4-20 mA or IO-Link style transmitter, the DSC samples, filters, linearizes, and communicates in a single 100-TQFP device; the 0.4 mm pitch requires standard SMT assembly but no exotic processes. Designers should plan the 3V-3.6V supply tolerance against industrial rail transients with local regulation and protection.
Recommended
Digital Audio and Signal Processing
Audio effects units, active crossovers, and measurement instruments exploit the dsPIC33F DSP instructions of this DSC to implement filters, mixing, and analysis at 40 MIPS. The GP (General Purpose) variant of the dsPIC33FJ128GP710A family balances communication peripherals for audio data streams with computation for real-time processing, all within the 128KB program memory budget that comfortably hosts multi-band algorithm chains. In a signal chain, the DSC receives digitized audio from an external codec or ADC, applies processing in fixed-point 16-bit arithmetic, and outputs control or processed data; latency is deterministic, which matters for live-sound applications. The 3.3V domain simplifies interfacing with common low-voltage audio ICs.
Recommended
Medical and Health Monitoring Devices
Portable diagnostic and patient-monitoring equipment leverages the DSPIC33FJ128GP710AT-I/PT for low-noise digital filtering of biopotential and physiological signals, where the DSP multiply-accumulate engine runs notch and bandpass filters on ECG/EEG-class data streams. The 100-pin TQFP provides abundant I/O for displays, buttons, and communication without external expansion, and 128KB Flash holds signal-processing firmware plus UI and logging code. Operating from a regulated 3.3V rail with the device's 3.0V-3.6V window, battery-powered designs stay within a low-voltage domain appropriate for patient-coupled circuits; isolation compliance (IEC 60601-class system design) is handled at the board level with companion isolation components rather than the DSC itself.
Recommended
Embedded Systems Prototyping and Education
The Explorer 16/32 Development Board from Microchip explicitly supports the dsPIC33F family through Plug-In Modules (PIMs), making the DSPIC33FJ128GP710AT-I/PT an accessible platform for university courses, reference designs, and rapid proof-of-concept work. MPLAB X IDE with the XC16 compiler plus MPLAB Snap debugging over ICSP gives a complete, low-cost toolchain; ICSP uses just two device I/O pins and the reset line, so prototypes carry a minimal debug header. For teams migrating between PIC24F, dsPIC33F, and PIC32 devices, the shared Explorer 16/32 ecosystem shortens learning curves, and the 128KB Flash leaves ample room for multi-module lab projects and demonstration firmware.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128GP710AT-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP710T-I/PT | DSPIC33FJ128GP710A-I/PT | DSPIC33FJ128GP710AT-E/PT | DSPIC33FJ128GP310T-I/PT | DSPIC33FJ256GP710A-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 | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 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 |
| Program Memory | 128KB Flash | 128KB Flash | 128KB Flash | 128KB Flash | 128KB Flash | 256KB Flash |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| Max Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Temperature Suffix Grade | -I (industrial) | -I (industrial) | -I (industrial) | -E (extended) | -I (industrial) | -I (industrial) |
Key Differentiators
- Extended temperature option available in same footprint (vs DSPIC33FJ128GP710AT-E/PT)
- 128KB Flash balance of cost and code space (vs DSPIC33FJ256GP710A-I/PT)
- AT ordering variant with verified same-die substitutes (vs DSPIC33FJ128GP710T-I/PT)
Design Notes
The DSPIC33FJ128GP710AT-I/PT requires a 3.0V to 3.6V supply (nominal 3.3V). In a 100-pin TQFP there are multiple VDD/VSS pairs distributed around the package; place a 100 nF ceramic decoupling capacitor at every VDD/VSS pair, plus at least one bulk capacitor (4.7-10 uF) near the supply entry. Estimated: with typical active current in the tens of milliamp range at 40 MIPS, a small LDO is sufficient, but verify against your measured current in the actual application since peripheral loading varies widely.
The 0.4 mm terminal pitch of the 100-TQFP (12x12 mm) demands careful footprint control: use the IPC-recommended footprint from Microchip's packaging drawing, non-solder-mask-defined pads, and a standard SAC305 reflow profile. Keep the exposed crystal and oscillator traces short, and route PGEC/PGED programming pins to an accessible ICSP header (two data pins plus MCLR) so MPLAB Snap can connect without board removal. Do not route high-current or switching traces under the device.
Oscillator configuration is the most common bring-up failure on dsPIC33F devices: an incorrect clock configuration can leave the core at an unexpected frequency or prevent debug connection. Verify fuse/clock settings in MPLAB X before first programming, and keep the ICSP header installed on first-revision boards. Also confirm the supply stays within 3.6V absolute maximum when sharing a 3.3V rail with other logic, since transient overshoot can exceed the rating and latch-damage the CMOS die.
Compliance Information
RoHS compliance indicated in distributor specification listings (digchip). REACH, halogen-free, and conflict-minerals declarations not stated in provided data; request certificates from Microchip.
