ATMEGA8U2-AUAlternatives & Equivalent Parts
About ATMEGA8U2-AU
ATMEGA8U2-AU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | ATMEGA8U2-AUSource | MCP1405-E/SN | AD822ARZ |
|---|---|---|---|
| Manufacturer | Microchip | Microchip | Analog Devices |
| Package Type | Quad Flat Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 32 | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $1.9216 | — | — |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | No |
| Manufacturer Package Code | TQFP-32 | SOIC-8 | R-8 |
| Factory Lead Time | 7 Weeks | 6 Weeks | — |
| YTEOL | 14 | 9 | 10 |
| Has ADC | NO | — | — |
| Additional Feature | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ | — | — |
| Bit Size | 8 | — | — |
| Boundary Scan | NO | — | — |
| CPU Family | AVR RISC | — | — |
| Clock Frequency-Max | 16 MHz | — | — |
| DAC Channels | NO | — | — |
| DMA Channels | NO | — | — |
| Format | FIXED POINT | — | — |
| Integrated Cache | NO | — | — |
| JESD-30 Code | S-PQFP-G32 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e3 | e3 |
| Low Power Mode | YES | — | — |
| Number of External Interrupts | 13 | — | — |
| Number of I/O Lines | 22 | — | — |
| Number of Serial I/Os | 1 | — | — |
| Number of Timers | 2 | — | — |
| On Chip Data RAM Width | 8 | — | — |
| On Chip Program ROM Width | 8 | — | — |
| PWM Channels | YES | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP32,.35SQ,32 | SOP8,.25 | SOP8,.25 |
| Package Shape | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | FLATPACK, THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 512 | — | — |
| ROM (words) | 8192 | — | — |
| ROM Programmability | FLASH | — | — |
| Speed | 16 MHz | — | — |
| Supply Voltage-Max | 5.5 V | 18 V | — |
| Supply Voltage-Min | 5 V | 4.5 V | — |
| Supply Voltage-Nom | 5 V | — | — |
| Surface Mount | YES | YES | YES |
| Technology | CMOS | — | BIPOLAR |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 1.27 mm | 1.27 mm |
| Terminal Position | QUAD | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | — |
| ## ATMEGA8U2-AU Alternates Showing results | Image | — | — |
| High Side Driver | — | YES | — |
| Input Characteristics | — | SCHMITT TRIGGER | — |
| Interface IC Type | — | BUFFER OR INVERTER BASED MOSFET DRIVER | — |
| Number of Functions | — | 2 | 2 |
| Output Characteristics | — | TOTEM-POLE | — |
| Output Peak Current Limit-Nom | — | 4.5 A | — |
| Output Polarity | — | COMPLEMENTARY | — |
| Screening Level | — | TS 16949 | — |
| Supply Current-Max | — | 3 mA | 1.8 mA |
| Supply Voltage1-Max | — | 18 V | — |
| Supply Voltage1-Min | — | 4.5 V | — |
| Turn-off Time | — | 0.105 µs | — |
| Turn-on Time | — | 0.105 µs | — |
| ## MCP1405-E/SN Alternates Showing results | — | Image | — |
| Amplifier Type | — | — | OPERATIONAL AMPLIFIER |
| Architecture | — | — | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | — | — | 0.005 µA |
| Bias Current-Max (IIB) @25C | — | — | 0.000025 µA |
| Common-mode Reject Ratio-Min | — | — | 66 dB |
| Common-mode Reject Ratio-Nom | — | — | 80 dB |
| Frequency Compensation | — | — | YES |
| Input Offset Voltage-Max | — | — | 3000 µV |
| Low-Bias | — | — | YES |
| Low-Offset | — | — | NO |
| Micropower | — | — | YES |
| Neg Supply Voltage Limit-Max | — | — | -18 V |
| Neg Supply Voltage-Nom (Vsup) | — | — | -15 V |
| Packing Method | — | — | TUBE |
| Power | — | — | NO |
| Programmable Power | — | — | NO |
| Slew Rate-Nom | — | — | 3 V/us |
| Supply Voltage Limit-Max | — | — | 18 V |
| Supply Voltage-Nom (Vsup) | — | — | 15 V |
| Unity Gain BW-Nom | — | — | 1900 |
| Voltage Gain-Min | — | — | 20000 |
| Wideband | — | — | NO |
| ## AD822ARZ Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for ATMEGA8U2-AU is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating ATMEGA8U2-AU replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to ATMEGA8U2-AU?
Known equivalents for ATMEGA8U2-AU include MCP1405-E/SN, AD822ARZ. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA8U2-AU?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify ATMEGA8U2-AU alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.