DSPIC30F2011-20I/SO - 16-bit DSC 20MIPS 12KB Flash | Microchip
MPN: DSPIC30F2011-20I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.38 | $4.38 |
| 10 | $3.94 | $39.40 |
| 100 | $3.11 | $311.00 |
| 500 | $2.55 | $1,275.00 |
| 1,000 | $1.7 | $1,700.00 |
DSPIC30F2011-20I/SO Overview
A digital signal controller combines the control peripherals of a microcontroller (MCU) with the math capability of a digital signal processor (DSP) in a single chip. Within the power-management hierarchy of embedded systems, the DSC sits between a general-purpose MCU and a dedicated DSP: it executes C code for system supervision while its DSP engine performs multiply-accumulate operations for filtering, transforms, and sensor correction loops. The dsPIC30F family pioneered this architecture for 16-bit embedded control.
Key features of this part include a modified Harvard 16-bit RISC core with integrated DSP instructions, 12 KB of self-programmable Flash (4K x 24-bit instruction words), 20 MIPS execution at 3.3 V or 5 V operation, and industrial-grade temperature qualification. The 18-SOIC surface-mount footprint suits compact, cost-sensitive boards.
Architecturally, the dsPIC30F pairs the 16-bit MCU core with a dedicated DSP multiply-accumulate unit and extensive analog and motor-control peripherals, which is why Microchip designates this as part of the Sensor Family: it is optimized for reading analog sensors, filtering the readings in real time, and driving actuators. According to Microchip, the dsPIC30F2011 offers seamless migration options to dsPIC33F, PIC24H, or PIC24F devices in similar packages, protecting long-term software investment.
Typical applications include sensor signal conditioning and acquisition, motor control and power conversion, industrial automation nodes, and consumer appliance control boards where a low-cost 16-bit controller with DSP capability is required.
When designing with this device, budget code space carefully: 12 KB of Flash is ample for sensor loops but tight for stacks with file systems or displays, and the 20 MIPS grade caps execution speed versus the 30I speed variant.
This page synthesizes distributor pricing from LCSC, DigiKey, and Octopart, same-package drop-in alternatives within the dsPIC30F family, and practical design notes not found in the manufacturer datasheet (document 70139b).
Drop-in alternatives for DSPIC30F2011-20I/SO — 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 DSPIC30F2011-20I/SO (same form factor and footprint) — differing in Core Architecture, Max CPU Speed, Package, Operating Temperature, Migration Path.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2011-30I/SO
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC30F2011-20E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2011-30E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2012-20I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.41 / Unit
View Datasheet →DSPIC30F3012-30I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2011-20I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC30F RISC (modified Harvard) |
| Max CPU Speed | 20 MIPS |
| Program Memory (Flash) | 12 KB (4K x 24) |
| Product Family | dsPIC30F Sensor Family |
| Supply Voltage | 3.3 V / 5 V |
| Package | 18-SOIC (SO) |
| Number of Pins | 18 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, I suffix) |
| Packaging | Tube |
| DSP Functionality | Yes (integrated DSP engine) |
| Programmability | In-circuit self-programmable Flash |
| Migration Path | Seamless migration to dsPIC33F, PIC24H, PIC24F |
| Lifecycle Status | Active (per Octopart) |
DSPIC30F2011-20I/SO 18-soic (so) Pin Configuration Guide
Pin configuration for DSPIC30F2011-20I/SO (18-soic (so) 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 DSPIC30F2011-20I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC30F2011-20I/SO is suitable for 6 applications: Sensor Signal Conditioning, Motor Control, Industrial Automation Nodes, Power Conversion and Inverters, Consumer Appliance Control, Portable Measurement Instruments.
Sensor Signal Conditioning
The dsPIC30F2011 belongs to Microchip's dedicated Sensor Family, making sensor signal conditioning its primary design target. The 16-bit core with integrated DSP engine performs real-time FIR/IIR filtering and offset correction on ADC-sampled analog inputs at up to 20 MIPS, converting noisy raw sensor data into stable engineering values on-chip. Operation at 3.3V or 5V allows direct interface with bridge sensors and legacy 5V analog front ends without level shifting. The 12 KB Flash accommodates calibration tables and filtering routines with headroom to spare. Firmware can be updated in-circuit via self-programmable Flash, simplifying field recalibration.
Recommended
Motor Control
The DSPIC30F2011-20I/SO suits basic BLDC and DC motor control: the 20 MIPS DSP core executes PID and field-oriented control inner loops in real time, while family peripherals generate PWM outputs and sample current shunts through the ADC. The 18-SOIC footprint fits compact driver boards where a larger 28/40-pin controller is overkill. For single-axis, moderate-speed drives the 20 MIPS budget closes comfortably; heavier multi-axis or high-resolution FOC designs should use the same-footprint DSPIC30F3012-30I/SO (30 MIPS) or migrate to dsPIC33F motor-control parts per Microchip's stated migration path.
Recommended
Industrial Automation Nodes
In factory automation, this part serves as a compact intelligent node reading industrial sensors, executing local control logic, and communicating with PLCs. The industrial temperature rating (-40C to +85C) and 5 V operation match legacy plant I/O standards directly, reducing external circuitry. The DSP engine filters noisy sensor inputs from VFD-laden environments in real time, improving signal integrity where 8-bit MCUs struggle. At 12 KB Flash the part is cost-optimized for dedicated node functions rather than protocol stacks with web servers; use the migration path to dsPIC33F when node requirements grow.
Recommended
Power Conversion and Inverters
The dsPIC30F2011-20I/SO is a fit for low-power power-conversion control: it generates PWM for buck/boost converters and small inverters while the DSP core closes voltage and current loops with digital filtering. Running at 3.3V/5V, it interfaces with gate drivers and feedback dividers without extra supplies. The 20 MIPS rate supports switching-frequency control loops into the tens of kHz with PI compensation computed each cycle. Designers should verify PWM resolution at the chosen clock configuration in the datasheet (document 70139b), as effective resolution falls at higher switching frequencies on this 20 MIPS grade.
Recommended
Consumer Appliance Control
Cost-sensitive appliance boards - fan speed control, heater regulation, dishwasher sensor loops - benefit from the part's integrated MCU-plus-DSP combination in one low-cost 18-SOIC package. Direct 5 V operation simplifies interfacing with appliance buttons, relays, and temperature sensors designed around legacy 5 V rails. The 12 KB Flash is sufficient for state machines, ADC filtering, and safety cutoffs typical of appliance firmware. The in-system programmable Flash enables manufacturing-line firmware updates without socketing parts. The SOIC package reflows on standard assembly lines and withstands appliance-relevant temperature ranges (industrial -40C to +85C grade).
Recommended
Portable Measurement Instruments
Handheld meters and portable measurement pods use the DSPIC30F2011-20I/SO to sample, filter, and display measurements: the DSP engine performs averaging, RMS computation, and digital calibration entirely on-chip at 20 MIPS, offloading the host. The 3.3 V operating option lowers power draw for battery designs, while the 18-SOIC surface-mount package keeps PCB area small. In-circuit self-programmable Flash supports calibration data storage and field firmware updates via a debug header. For measurement front ends requiring resolution beyond the on-chip ADC, pair it with a delta-sigma converter over SPI.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2011-20I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2011-30I/SO | DSPIC30F2011-20E/SO | DSPIC30F2012-20I/SO | DSPIC30F3012-30I/SO |
|---|---|---|---|---|---|
| Package | 18-SOIC | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max CPU Speed | 20 MIPS | 30 MIPS | 20 MIPS | 20 MIPS | 30 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Peripherals | Sensor Family standard set | Identical to this product | Identical to this product | Additional UART / enhanced PWM options | Larger peripheral set (motor-control oriented) |
Key Differentiators
- Cost-optimized speed grade (vs DSPIC30F2011-30I/SO)
- Extended-temperature upgrade on the same footprint (vs DSPIC30F2011-20E/SO)
- Dedicated Sensor Family optimization (vs DSPIC30F3012-30I/SO)
Design Notes
The dsPIC30F2011 operates from 3.3 V or 5 V rails. Decouple both VDD pins with 0.1 uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 4.7-10 uF capacitor per board. If the on-chip regulator/VDDCORE configuration is used per datasheet (document 70139b), follow the recommended capacitor values exactly - wrong core capacitor values are a common bring-up failure on dsPIC30F designs. Ensure brown-out reset is enabled when operating from unregulated 5 V industrial rails.
The 18-SOIC footprint (approximately 11.5 mm x 7.5 mm body) needs only a simple 2-layer board. Route analog sensor inputs away from PWM and clock traces to preserve ADC accuracy; use a solid ground plane under the analog section. Keep the oscillator traces short and surrounded by ground. Provide an ICSP programming header (5-pin: MCLR, VDD, GND, PGD, PGC) in the layout even for production boards - it costs almost nothing and enables field firmware updates via the self-programmable Flash.
Budget Flash carefully: 12 KB (4K x 24 instruction words) fills quickly with floating-point math and DSP libraries - use the compiler's fractional/DSP fixed-point libraries where possible. Verify speed selection: the -20I grade is rated 20 MIPS; running code compiled/timed for the -30I variant will change all loop timings and baud rates when both speed grades coexist in a BOM. Also note the I-suffix temperature limit of +85C - for enclosures above that, use the -20E/SO extended variant instead.
Compliance Information
Compliance certificates for this specific ordering code were not present in the verified web data. Consult the Microchip product page for RoHS/REACH documentation.
