DSPIC30F4011-20I/P - 16-bit DSC, 48KB Flash, 40MHz, DIP-40 | Microchip
MPN: DSPIC30F4011-20I/P β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.46 | $9.46 |
| 10 | $8.85 | $88.50 |
| 100 | $7.94 | $794.00 |
| 500 | $7.12 | $3,560.00 |
| 1,000 | $6.45 | $6,450.00 |
DSPIC30F4011-20I/P Overview
A Digital Signal Controller (DSC) is a hybrid device category that fuses a microcontroller's deterministic control peripherals with a digital signal processor's MAC engine and Harvard bus architecture. The dsPIC30F specifically targets motor control, digital power conversion, and sensor processing applications where filtering (IIR/FIR) and control-loop math (PID) must execute in real time alongside peripheral event handling. The DSC family sits hierarchically above the PIC24 MCU family in Microchip's 16-bit portfolio and bridges to the higher-performance dsPIC33F family.
Key features include 12 PWM outputs with complementary mode and dead-time control, a quadrature encoder interface (QEI) for closed-loop position feedback, a 6-channel 10-bit ADC with 1 Msps conversion rate, and a CAN 2.0B module for industrial networking. The 16-bit data path with hardware multiply-accumulate (MAC) instruction enables single-cycle MAC operations essential for real-time DSP filtering.
The device uses a modified Harvard architecture with separate program and data buses, allowing instruction fetch and operand access in the same cycle. Built around an enhanced 16-bit CPU core with DSP extensions, the dsPIC30F4011 achieves deterministic interrupt response and supports C-compiled DSP code with minimal performance penalty versus hand-written assembly.
Typical applications include BLDC/PMSM motor drives, field-oriented control (FOC) inverters, industrial sensor conditioning, UPS systems, and low-power digital audio processing. In motor control, the integrated PWM and QEI peripherals eliminate the need for external FPGA or DSP co-processors.
When designing with this device, pay attention to the 2.5V minimum supply requirement, ensure the ADC reference is properly bypassed, and reserve the analog and digital ground planes per the device's split-ground package pinout. The '20I' suffix denotes 20 MIPS at industrial temperature; the lower-speed '30I' grade is also available for cost-sensitive designs.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC30F4011-20I/P β 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 DSPIC30F4011-20I/P (same form factor and footprint) β differing in Core Architecture, Package, Timers, I/O Pins, Mounting Type.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC30F4011-30I/P
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F4012-30I/P
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F4011-20E/P
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F3011-30I/P
β Drop-Inβ In Stock
$7.4 / Unit
View Datasheet βDSPIC30F2011-30I/P
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F3010-30I/P
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F3012-20I/P
β Drop-Inβ In Stock
$5.2 / Unit
View Datasheet βDSPIC30F4011-20I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit DSC (Harvard) |
| Program Memory (Flash) | 48 KB |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Speed | 40 MIPS (20 MIPS for -20I grade at 5V, 30 MIPS for -30I grade) |
| Operating Voltage | 2.5 V to 5.5 V |
| I/O Pins | 30 |
| ADC | 6-channel, 10-bit, 1 Msps |
| PWM Outputs | 6 channels (3 PWM generator pairs) |
| QEI Module | 1 (Quadrature Encoder Interface) |
| UART | 2 modules |
| SPI | 1 module |
| I2C | 1 module |
| CAN | 1 module (CAN 2.0B) |
| Timers | 5 x 16-bit |
| Package | PDIP-40 (through-hole, 600 mil) |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant |
| Instruction Set | 16-bit C-compilable with DSP extensions |
DSPIC30F4011-20I/P Pin Configuration
| Pin 1 | EMUD β ICD/Emulator Data line |
| Pin 2 | EMUC β ICD/Emulator Clock line |
| Pin 3 | AN0/VREF+/CVREF β Analog input 0 / ADC Vref+ / Comparator Vref |
| Pin 4 | AN1/VREF- β Analog input 1 / ADC Vref- |
| Pin 5 | AN2 β Analog input 2 |
| Pin 6 | AN3 β Analog input 3 |
| Pin 7 | AN4 β Analog input 4 |
| Pin 8 | AN5 β Analog input 5 |
| Pin 9 | AVSS β Analog ground |
| Pin 10 | AVDD β Analog supply voltage |
| Pin 11 | RC15/OSC2/CLKO β I/O port C bit 15 / crystal oscillator output / clock output |
| Pin 12 | RC14/OSC1/CLKI β I/O port C bit 14 / crystal oscillator input / clock input |
| Pin 13 | RC13/SOSCI β I/O port C bit 13 / secondary oscillator input |
| Pin 14 | RC14 β I/O port C bit 14 (duplicate - verify per datasheet) |
| Pin 15 | VDD β Digital supply voltage |
| Pin 16 | VSS β Digital ground |
| Pin 17 | FLTA β PWM fault input A |
| Pin 18 | PWM1L β PWM1 low-side output |
| Pin 19 | PWM1H β PWM1 high-side output |
| Pin 20 | PWM2L β PWM2 low-side output |
| Pin 21 | PWM2H β PWM2 high-side output |
| Pin 22 | PWM3L β PWM3 low-side output |
| Pin 23 | PWM3H β PWM3 high-side output |
| Pin 24 | C1RX/RF0 β CAN1 RX / I/O port F bit 0 |
| Pin 25 | C1TX/RF1 β CAN1 TX / I/O port F bit 1 |
| Pin 26 | U1RX/RF2 β UART1 RX / I/O port F bit 2 |
| Pin 27 | U1TX/RF3 β UART1 TX / I/O port F bit 3 |
| Pin 28 | U2RX/RF4 β UART2 RX / I/O port F bit 4 |
| Pin 29 | U2TX/RF5 β UART2 TX / I/O port F bit 5 |
| Pin 30 | SDA/RG3 β I2C data / I/O port G bit 3 |
| Pin 31 | SCL/RG2 β I2C clock / I/O port G bit 2 |
| Pin 32 | SDO1/RF8 β SPI1 data out / I/O port F bit 8 |
| Pin 33 | SDI1/RF7 β SPI1 data in / I/O port F bit 7 |
| Pin 34 | SCK1/RF6 β SPI1 clock / I/O port F bit 6 |
| Pin 35 | SS1/RG9 β SPI1 slave select / I/O port G bit 9 |
| Pin 36 | IC1/RD8 β Input capture 1 / I/O port D bit 8 |
| Pin 37 | OC1/RD9 β Output compare 1 / I/O port D bit 9 |
| Pin 38 | INT0/RD0 β External interrupt 0 / I/O port D bit 0 |
| Pin 39 | MCLR β Master clear (reset) input |
| Pin 40 | VSS β Digital ground |
Typical Applications
DSPIC30F4011-20I/P is suitable for 8 applications: BLDC and PMSM Motor Control, Industrial Sensor Signal Conditioning, Digital Power Conversion (SMPS), Uninterruptible Power Supply (UPS) Controllers, Automotive Body and Convenience Modules, Audio Processing and Effects, Robotics and Servo Control, Renewable Energy MPPT Controllers.
BLDC and PMSM Motor Control
The DSPIC30F4011-20I/P's 6-channel PWM with programmable dead-time, hardware quadrature encoder interface, and 1 Msps ADC make it purpose-built for three-phase BLDC and PMSM motor drives. The DSP engine executes field-oriented control (FOC) and space-vector modulation within typical 10-20 kHz control loops at 20 MIPS, while the integrated peripherals sample phase currents and drive gate drivers directly. Designers place the DSC between the current-sense amplifiers and the three-phase inverter bridge, achieving closed-loop torque or velocity control on a single chip.
Recommended
Industrial Sensor Signal Conditioning
The DSPIC30F4011-20I/P's DSP engine combined with its 6-channel 10-bit ADC suits industrial 4-20 mA loop sensors, RTD/thermocouple signal chains, and bridge-pressure-sensor conditioning. On-chip FIR and IIR filter libraries run at sample rates up to 1 Msps while the MCU core handles HART or Modbus protocol. The 5V-tolerant ADC and industrial -40C to +85C rating allow direct connection to plant-floor transducers without front-end isolation, lowering BOM cost.
Recommended
Digital Power Conversion (SMPS)
For digital switch-mode power supplies the DSPIC30F4011-20I/P provides high-resolution PWM for buck, boost, and PFC stages, plus the DSP throughput for digital compensator loops running at 100-200 kHz. The 2.5V-5.5V supply range lets the device run directly from auxiliary rails. Engineers implement voltage-mode and average-current-mode control with on-chip ADC feedback, replacing analog UC3842-type controllers and reducing component count while adding programmability.
Recommended
Uninterruptible Power Supply (UPS) Controllers
UPS and inverter systems benefit from the DSPIC30F4011-20I/P's CAN bus for battery-stack telemetry, six PWM channels for inverter control, and the QEI for synchronized output. The 48 KB Flash accommodates sine-PWM lookup tables and digital-loop compensation coefficients for both inverter and PFC stages. Industrial temperature range and 5V operation match the auxiliary rails in offline UPS architectures.
Recommended
Automotive Body and Convenience Modules
The DSPIC30F4011-20I/P's CAN 2.0B module and PWM channels fit automotive body controllers for window lifts, seat controls, HVAC flap motors, and lighting drivers. The industrial -40C to +85C rating covers cabin environments; for under-hood use consider the -20E extended grade or the AEC-Q100-qualified dsPIC33F family. The DSP engine supports software-decoded LIN slaves and CAN message filtering without external logic.
Recommended
Audio Processing and Effects
Audio applications leverage the DSPIC30F4011-20I/P's MAC engine for real-time biquad filters, mixers, and basic effects at 20 MIPS. With 2 KB of RAM the device handles short audio buffers at 8-16 kHz sample rates, suitable for intercom systems, hearing-aid pre-processing, and acoustic-feedback cancellation. The 5V ADC range accepts line-level audio directly with proper anti-aliasing filters, eliminating external codec complexity for low-channel-count systems.
Recommended
Robotics and Servo Control
Multi-axis robotic servos benefit from the DSPIC30F4011-20I/P's QEI input for incremental encoder feedback and PWM for servo drive. A single device can command up to three servo axes with closed-loop position or torque control at 1 kHz update rates, while the CAN module coordinates multi-DSC networks in larger robots. The DSP engine executes trajectory generation and inverse kinematics with deterministic cycle time.
Recommended
Renewable Energy MPPT Controllers
Solar and wind MPPT (Maximum Power Point Tracking) controllers use the DSPIC30F4011-20I/P for perturb-and-observe or incremental-conductance algorithms with PWM-controlled DC-DC converters. The 6-channel ADC monitors input voltage, output voltage, and current at 1 Msps, while the DSP engine computes the MPPT loop at 10-50 kHz. Industrial temperature range suits outdoor solar combiner boxes and small wind turbine installations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4011-20I/P β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4011-30I/P | DSPIC30F4012-30I/P | DSPIC30F4011-20E/P | DSPIC30F3011-30I/P | DSPIC30F2011-30I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-40 | PDIP-40 - same | PDIP-40 - same | PDIP-40 - same | PDIP-40 - same | PDIP-40 - same |
| Flash Program Memory | 48 KB | 48 KB - same | 64 KB | 48 KB - same | 24 KB | 12 KB |
| Maximum CPU Speed | 20 MIPS (at 5V) | 30 MIPS | 30 MIPS | 20 MIPS | 30 MIPS | 30 MIPS |
| Data RAM | 2 KB | 2 KB - same | 4 KB | 2 KB - same | 2 KB - same | 1 KB |
| PWM Channels | 6 outputs (3 pairs) | 6 outputs - same | 12 outputs (6 pairs) | 6 outputs - same | 6 outputs - same | 6 outputs - same |
| CAN Module | 1 (CAN 2.0B) | 1 - same | 1 - same | 1 - same | 0 (no CAN) | 0 (no CAN) |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +125 C (Extended) | -40 C to +85 C - same | -40 C to +85 C - same |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same |
Key Differentiators
- Highest Flash density in dsPIC30F 40-pin PDIP family (vs DSPIC30F2011-30I/P)
- Includes CAN 2.0B module (vs DSPIC30F3011-30I/P)
- Industrial temperature grade at 20 MIPS power spec (vs DSPIC30F4011-30I/P)
Design Notes
Estimated: At 20 MIPS active and 5V supply, the DSPIC30F4011-20I/P typically draws approximately 25 mA active and 5 uA sleep. Decouple VDD with a 10 uF bulk + 0.1 uF ceramic placed within 5 mm of the VDD pin. The AVDD pin requires its own 0.1 uF + 10 uF decoupling; do not share the analog and digital ground returns - use a star-ground connection at the device's VSS pin to avoid ADC noise coupling from switching PWMs.
Estimated: For motor-control boards the high-current PWM traces should be 0.5 mm minimum copper width and routed away from the analog ADC inputs (AN0-AN5) to prevent switching noise coupling. Place the crystal (or external clock source) within 10 mm of the OSC1/OSC2 pins and guard the traces with ground. The QEI inputs (RA and RB ports) need matched-length traces if used above 1 MHz to maintain quadrature timing accuracy.
Common pitfalls: (1) Forgetting to configure the FNOSC fuse for the correct oscillator mode - leaving it at the default RC mode prevents the crystal from starting. (2) Exceeding the 5.5V absolute maximum on any I/O pin when interfacing 5V signals. (3) Not enabling the JTAG/ICD debug pins (EMUD/EMUC) properly when sharing them with GPIO. (4) Using the AVDD pin without the required AVSS return. (5) Driving the MCLR pin without the recommended 10 kohm pull-up - the device will randomly reset.
Compliance Information
RoHS and REACH compliant per Microchip product environmental documentation. Industrial temperature grade (-40C to +85C) only - not AEC-Q100 qualified for automotive under-hood use. For automotive applications use the dsPIC33F family with AEC-Q100 qualification.
