DSPIC33FJ64GP804T-I/ML - 16-bit 64KB DSC 44-QFN | Microchip
料号： DSPIC33FJ64GP804T-I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.55 | $6.55 |
| 10 | $5.95 | $59.50 |
| 100 | $5.4 | $540.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.6 | $4,600.00 |
DSPIC33FJ64GP804T-I/ML 概述
A Digital Signal Controller combines the computational core of a Digital Signal Processor (DSP) with the peripheral set of a microcontroller (MCU), making the dsPIC33F family a superset of both product categories within the broader power-management-and-control semiconductor hierarchy. DSCs execute high-speed, repetitive math (multiply-accumulate, division support, barrel shifter) while retaining general-purpose I/O, timers, and communication peripherals on one chip.
Key features of the DSPIC33FJ64GP804T-I/ML include a modified Harvard 16-bit RISC core clocked at up to 40 MHz (40 MIPS), 8-channel DMA, 7 timers, and 3 serial I/O subsystems (UART, SPI, I2C) per distributor listings. The device operates from a 3 V to 3.6 V supply and integrates the General Purpose (GP) analog suite of the dsPIC33FJ64GPX04 family, including a high-speed 12-bit ADC and output-compare/PWM channels suited to control loops.
Architecturally, the dsPIC33F core supports DSP-class instructions with dual operand fetch and hardware multiply, enabling single-cycle MAC operations that an ordinary 8-bit or 16-bit MCU performs in software. Flash program memory is self-programmable, supporting field firmware updates.
Typical applications include industrial automation and motor-adjacent control, sensor signal processing, digital power conversion, and general embedded control where 16-bit math throughput and DMA-driven data movement are required.
When designing with this part, budget the 3.3 V rail precisely (3 V to 3.6 V) and use the exposed pad as the primary ground path for thermal and signal-integrity reasons.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet. All pricing references are as of 2026-09-27.
直接替换替代料： DSPIC33FJ64GP804T-I/ML ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33FJ64GP804T-I/ML （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, SRAM, Core Architecture, I/O Ports.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ64GP804-I/ML
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ128GP804-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.9 / 个
查看数据手册 →DSPIC33FJ32GP304-I/ML
✅ 直接替换✓ 有现货
$3.49 / 个
查看数据手册 →DSPIC33FJ128GP204-I/ML
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ64GP204-I/ML
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ64MC804-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.05 / 个
查看数据手册 →DSPIC33FJ64GP804T-I/ML 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33F RISC (modified Harvard) |
| Max Clock Speed | 40 MHz |
| Performance | 40 MIPS |
| Program Memory (Flash) | 64 KB |
| SRAM | 16 KB |
| 电源电压 | 3 V to 3.6 V |
| DMA Channels | 8 |
| Timers | 7 |
| Serial I/O Interfaces | 3 (UART/SPI/I2C combination) |
| External Interrupts | 3 |
| I/O Ports | 21 |
| 工作温度 | -40C to +85C (Industrial, I suffix) |
| 封装 | 44-QFN, 8x8 mm, lead-free plastic (QFNL), exposed pad |
| 安装类型 | Surface Mount |
| Packaging | Tape and Reel (T suffix) |
| ROM Type | Flash |
| Life Cycle Stage | Active |
| Technology | CMOS |
DSPIC33FJ64GP804T-I/ML 引脚配置
| 引脚 1 | MCLR — Master clear reset input / programming voltage |
| 引脚 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / port B |
| 引脚 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B |
| 引脚 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / change notification / port B |
| 引脚 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index / change notification / port B |
| 引脚 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B |
| 引脚 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B |
| 引脚 8 | VDD — Positive supply (3 V to 3.6 V) |
| 引脚 9 | VSS — Ground reference |
| 引脚 10 | OSC1/CLKI/CN30/RA2 — Oscillator crystal input / external clock input |
| 引脚 11 | OSC2/CLKO/CN29/RA3 — Oscillator crystal output / clock output |
| 引脚 12 | SOSCI/CN1/RB6 — Secondary oscillator input / change notification / port B |
| 引脚 13 | SOSCO/T1CK/CN0/RB7 — Secondary oscillator output / Timer1 clock / port B |
| 引脚 14 | VDD — Positive supply |
| 引脚 15 | PGD/EMUD1/RF3 — In-circuit debug data / emulator data / port F |
| 引脚 16 | PGC/EMUC1/RF2 — In-circuit debug clock / emulator clock / port F |
| 引脚 17 | PGD2/EMUD2/RF4 — Secondary debug data / port F |
| 引脚 18 | PGC2/EMUC2/RF5 — Secondary debug clock / port F |
| 引脚 19 | SDA1/RG3 — I2C data 1 / port G |
| 引脚 20 | SCL1/RG2 — I2C clock 1 / port G |
| 引脚 21 | INT0/RF6 — External interrupt 0 / port F |
| 引脚 22 | RF7 — General purpose I/O / UART function (per mux) |
| 引脚 23 | VSS — Ground reference |
| 引脚 24 | RF8 — General purpose I/O / UART function (per mux) |
| 引脚 25 | RF13 — General purpose I/O (per mux) |
| 引脚 26 | RP10/RF4 — Remappable peripheral pin / port F |
| 引脚 27 | RP11/RF5 — Remappable peripheral pin / port F |
| 引脚 28 | RP12/RF12 — Remappable peripheral pin / port F |
| 引脚 29 | RP13/RF13 — Remappable peripheral pin / port F |
| 引脚 30 | VDDCORE/VCAP — Core supply / internal regulator capacitor connection |
| 引脚 31 | RP14/RF3 — Remappable peripheral pin / port F |
| 引脚 32 | RP15/RF13 — Remappable peripheral pin / port F |
| 引脚 33 | RP2/RB8 — Remappable peripheral pin / port B |
| 引脚 34 | RP3/RB9 — Remappable peripheral pin / port B |
| 引脚 35 | TMS/RA0 — JTAG test mode select / port A |
| 引脚 36 | TCK/RA1 — JTAG test clock / port A |
| 引脚 37 | TDI/RB10 — JTAG test data input / port B |
| 引脚 38 | TDO/RB11 — JTAG test data output / port B |
| 引脚 39 | VSS — Ground reference |
| 引脚 40 | VDD — Positive supply |
| 引脚 41 | AN6/RB12 — Analog input 6 / port B |
| 引脚 42 | AN7/RB13 — Analog input 7 / port B |
| 引脚 43 | AN8/RB14 — Analog input 8 / port B |
| 引脚 44 | AN9/RB15 — Analog input 9 / port B |
典型应用
DSPIC33FJ64GP804T-I/ML 适用于 6 应用s: Industrial Automation and Control, Sensor Signal Processing, General Embedded Control with DSP Workloads, Digital Power and Battery Charger Control, Audio Signal Path Processing, Automotive and Off-Highway Auxiliary Systems.
Industrial Automation and Control
Factory automation nodes need deterministic control loops, robust serial links, and DMA-driven data buffering. The DSPIC33FJ64GP804T-I/ML fits because its 40 MIPS 16-bit core executes PID and filtering math in single-cycle multiply-accumulate instructions, while 8 DMA channels move ADC samples to RAM without CPU stalls. The industrial -40C to +85C grade and 3 V to 3.6 V supply suit cabinet electronics. Used as the main controller driving sensor acquisition over SPI/I2C and reporting over UART to a PLC gateway, it quantifiably reduces loop latency versus 8-bit parts. Trade-off: the 3.3 V-only rail requires level shifting to legacy 5 V industrial I/O.
推荐
Sensor Signal Processing
Conditioning signals from strain gauges, microphones, or accelerometers demands DSP throughput with MCU integration. The DSPIC33FJ64GP804T-I/ML provides 40 MIPS of 16-bit DSP performance (single-cycle MAC, dual operand fetch) plus the GP analog acquisition suite of the GPX04 family, enabling on-chip filtering and FFT preprocessing. Its 64 KB Flash holds FFT tables and calibration routines; 16 KB SRAM buffers multi-channel ADC streams via DMA. Deployed between the analog front end and a host, it performs decimation, notch filtering, and thresholding locally, cutting host bandwidth. Trade-off: verify ADC sampling parameters against the family datasheet for your exact channel count.
推荐
General Embedded Control with DSP Workloads
Many products need ordinary firmware tasks - state machines, displays, serial protocols - plus periodic DSP-class computation such as audio preprocessing or encryption. The DSPIC33FJ64GP804T-I/ML serves both roles on one die: 7 timers and 3 serial I/O ports handle communication and scheduling, while the 16-bit DSP engine handles math kernels at 40 MIPS. With 64 KB Flash there is headroom for a bootloader plus application code, and 8 DMA channels keep UART/SPI traffic off the CPU. This avoids a two-chip MCU-plus-DSP architecture, reducing BOM cost and board area. Trade-off: 3.3 V logic limits direct 5 V peripheral interfacing.
推荐
Digital Power and Battery Charger Control
Switching converter and charger control loops require fast, deterministic math and precise timing. The DSPIC33FJ64GP804T-I/ML closes control loops at kilohertz rates using its 40 MIPS core and 7 timers for PWM generation and loop scheduling; DMA streams ADC results into RAM for filtering. The 16-bit architecture gives resolution headroom over 8-bit controllers in current-mode control calculations. For non-critical power stages such as multi-chemistry chargers or secondary rails, this GP DSC is a cost-effective fit. For hard-switching SMPS and PFC front ends, Microchip's GS-series digital power DSCs provide purpose-built peripherals; this part suits general power-adjacent control duties.
推荐
Audio Signal Path Processing
The GP (General Purpose) analog focus of the GPX04 family makes this DSC appropriate for mid-rate audio processing such as active crossover filtering, dynamic range compression, and acoustic echo handling at sample rates up to tens of kilohertz. The 40 MIPS core with hardware MAC sustains biquad filter cascades per channel, and the 64 KB Flash stores coefficient sets and boot logic. UART or SPI links transport I2S-adjacent control data to external codecs. Using the exposed-pad QFN for clean ground referencing helps analog noise performance. Trade-off: for high-resolution, high-sample-rate audio, an external codec with dedicated I2S is still required since peripheral mapping must be confirmed in the family datasheet.
推荐
Automotive and Off-Highway Auxiliary Systems
Non-powertrain automotive electronics - lighting controllers, pump controllers, telemetry nodes - often need DSP computation with industrial-grade robustness. The -40C to +150C capable H/ML sibling (DSPIC33FJ64GP804T-H/ML per Microchip USA listing) shares this die, allowing thermal-grade selection without redesign, while the I/ML grade here covers cabin and underhood-adjacent zones at -40C to +85C. 40 MIPS enables sensor fusion and control-law computation; 8 DMA channels service redundant sensor polling. The 44-QFN 8x8 mm package fits compact modules. Trade-off: this part is not AEC-Q100 qualified as standard - select the H-grade variant and confirm qualification scope with Microchip for safety-relevant deployments.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ64GP804T-I/ML ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33FJ64GP804-I/ML | DSPIC33FJ128GP804-I/ML | DSPIC33FJ32GP304-I/ML | DSPIC33FJ128GP204-I/ML | DSPIC33FJ64MC804-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm), exposed pad | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 128 KB | 32 KB | 128 KB | 64 KB |
| Max Performance | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| 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 |
| Family Peripheral Focus | General Purpose (GP) analog suite | GP analog suite | GP analog suite | GP analog suite (subset per family doc) | GP family subset | Motor Control (MC) peripherals |
关键差异点
- Balanced 64 KB Flash for cost vs headroom （对比 DSPIC33FJ128GP804-I/ML)
- Tape-and-reel production packaging （对比 DSPIC33FJ64GP804-I/ML)
- GP analog suite for signal-chain designs （对比 DSPIC33FJ64MC804-I/ML)
- More Flash than entry variant （对比 DSPIC33FJ32GP304-I/ML)
设计说明
The DSPIC33FJ64GP804T-I/ML operates from a strict 3 V to 3.6 V rail; use a 3.3 V LDO or buck with +/-3% tolerance under all load transients. The internal core regulator requires a low-ESR capacitor (typically ~10 uF, per family datasheet) on the VDDCORE/VCAP pin - undersizing or omitting this capacitor is the most common cause of brownout or non-start. Decouple each VDD pin with 100 nF ceramics placed within 2 mm of the pin, plus one bulk 4.7-10 uF per supply domain.
The 44-QFN (8x8 mm) exposed pad is the primary ground path: create a via array (minimum 3x3 grid) connecting the pad to a solid ground plane. This reduces ground impedance for the ADC and improves heat spreading. Keep the crystal loop (OSC1/OSC2 and SOSCI/SOSCO) compact with guard ground, and route analog inputs AN0-AN9 away from switching nodes. During reflow, follow the MSL rating on the moisture-sensitive label and bake per J-STD-033 if shelf life is exceeded.
Three frequent integration errors: (1) forgetting that RPn remappable pins must be locked after configuration (unlock sequence) or peripherals silently revert; (2) using PGD/PGC pins (pins 15-18) for general I/O, which breaks In-Circuit Serial Programming; (3) assuming 5 V tolerant I/O - this 3.3 V device is not 5 V tolerant on most pins, so level-shift or series-resistor-protect interfaces to legacy 5 V logic. Also verify silicon errata for the dsPIC33FJ64GPX04 family before committing to I2C or ECAN-heavy designs.
合规信息
Package described in verified data as 'LEAD FREE, PLASTIC, QFNL'; RoHS compliance inferred from lead-free QFN packaging per digchip listing. REACH/halogen/conflict-minerals status not stated in provided data.
