ADUM1251ARZAlternatives & Equivalent Parts
About ADUM1251ARZ
ADUM1251ARZ is a Integrated Circuit component manufactured by Analog Devices. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | ADUM1251ARZSource | ADUM1251ARZ-RL7 | ADUM3153BRSZ | SI8651ED-B-IS | SN74AC245DW | STM32F107VCT7 | GRM033B10J103KA01D | CL21A106KPFNNNF | ADUM1250SRZ | ADUM1250WSRZ |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Analog Devices | Analog Devices | Silicon Labs | Texas Instruments | STMicroelectronics | Murata Electronics | Samsung Electro-Mechanics | Analog Devices | Analog Devices |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Quad Flat Packages | Other | Capacitor Chip Non-polarised | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 20 | 16 | 20 | 100 | 2 | 2 | 8 | 8 |
| Temperature Range | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -25.0°C ~ 85.0°C | -55.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $2.7000 | $2.6880 | $5.4872 | $2.8990 | $0.3125 | $5.9936 | $0.0211 | $0.0084 | $3.0750 | $5.0087 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | — | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||
| Pbfree Code | No | No | No | — | — | — | Yes | Yes | No | No |
| Manufacturer Package Code | R-8 | R-8 | RS-20 | — | — | — | — | — | R-8 | R-8 |
| YTEOL | 10 | 10 | 10 | — | 0 | 9 | 7 | 7.71 | 10 | 10 |
| Interface IC Type | DIGITAL ISOLATOR | DIGITAL ISOLATOR | — | — | — | — | — | — | DIGITAL ISOLATOR | DIGITAL ISOLATOR |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G20 | — | R-PDSO-G20 | S-PQFP-G100 | — | — | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e3 | e3 | — | e4 | — | e3 | e3 | e3 | e3 |
| Number of Functions | 1 | 1 | 1 | — | 8 | — | — | — | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | — | — | SOP20,.4 | QFP100,.63SQ,20 | — | — | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | SQUARE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, SHRINK PITCH | — | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH | SMT | SMT | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | 260 | — | — | — | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | — | — | 3.6 V | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 3 V | 3 V | — | — | — | 2.4 V | — | — | 3 V | 3 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | — | — | — | 3.3 V | — | — | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | — | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | — | — | CMOS | CMOS | — | — | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | — | INDUSTRIAL | INDUSTRIAL | — | — | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | GULL WING | GULL WING | — | — | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 0.65 mm | — | 1.27 mm | 0.5 mm | — | — | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL | QUAD | — | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | 30 | — | — | — | 30 | 30 |
| ## ADUM1251ARZ Alternates Showing results | Image | — | — | — | — | — | — | — | — | — |
| Analog IC - Other Type | — | — | ANALOG CIRCUIT | — | — | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | — | 6 V | — | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 3 V | — | 2 V | — | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 3.3 V | — | 5 V | — | — | — | — | — |
| Control Type | — | — | — | — | COMMON CONTROL | — | — | — | — | — |
| Count Direction | — | — | — | — | BIDIRECTIONAL | — | — | — | — | — |
| Family | — | — | — | — | AC | — | — | — | — | — |
| Load Capacitance (CL) | — | — | — | — | 50 pF | — | — | — | — | — |
| Logic IC Type | — | — | — | — | BUS TRANSCEIVER | — | — | — | — | — |
| Max I(ol) | — | — | — | — | 0.024 A | — | — | — | — | — |
| Number of Bits | — | — | — | — | 8 | — | — | — | — | — |
| Number of Ports | — | — | — | — | 2 | — | — | — | — | — |
| Output Characteristics | — | — | — | — | 3-STATE | — | — | — | — | — |
| Output Polarity | — | — | — | — | TRUE | — | — | — | — | — |
| Packing Method | — | — | — | — | TUBE | — | 180mm Reel W8P2 | TR, EMBOSSED PLASTIC, 13 INCH | — | — |
| Power Supply Current-Max (ICC) | — | — | — | — | 0.04 mA | — | — | — | — | — |
| Prop. Delay@Nom-Sup | — | — | — | — | 7 ns | — | — | — | — | — |
| Propagation Delay (tpd) | — | — | — | — | 9 ns | — | — | — | — | — |
| Schmitt Trigger | — | — | — | — | NO | — | — | — | — | — |
| ## SN74AC245DW Alternates Showing results | — | — | — | — | Image | — | — | — | — | — |
| Factory Lead Time | — | — | — | — | — | 13 Weeks | — | 20 Weeks | — | — |
| Has ADC | — | — | — | — | — | YES | — | — | — | — |
| Bit Size | — | — | — | — | — | 32 | — | — | — | — |
| CPU Family | — | — | — | — | — | CORTEX-M3 | — | — | — | — |
| Clock Frequency-Max | — | — | — | — | — | 25 MHz | — | — | — | — |
| DMA Channels | — | — | — | — | — | YES | — | — | — | — |
| Number of I/O Lines | — | — | — | — | — | 80 | — | — | — | — |
| On Chip Program ROM Width | — | — | — | — | — | 8 | — | — | — | — |
| PWM Channels | — | — | — | — | — | YES | — | — | — | — |
| RAM (bytes) | — | — | — | — | — | 65536 | — | — | — | — |
| ROM (words) | — | — | — | — | — | 262144 | — | — | — | — |
| ROM Programmability | — | — | — | — | — | FLASH | — | — | — | — |
| Speed | — | — | — | — | — | 72 MHz | — | — | — | — |
| Supply Current-Max | — | — | — | — | — | 68.4 mA | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | — | MICROCONTROLLER, RISC | — | — | — | — |
| ## STM32F107VCT7 Alternates Showing results | — | — | — | — | — | Image | — | — | — | — |
| Reach Compliance Code | — | — | — | — | — | — | Compliant | Compliant | — | — |
| Capacitance | — | — | — | — | — | — | 0.01 µF | 10 µF | — | — |
| Capacitor Type | — | — | — | — | — | — | CERAMIC CAPACITOR | CERAMIC CAPACITOR | — | — |
| Dielectric Material | — | — | — | — | — | — | CERAMIC | CERAMIC | — | — |
| Height | — | — | — | — | — | — | 0.3 mm | 1.35 mm | — | — |
| Mounting Feature | — | — | — | — | — | — | SURFACE MOUNT | SURFACE MOUNT | — | — |
| Multilayer | — | — | — | — | — | — | YES | Yes | — | — |
| Negative Tolerance | — | — | — | — | — | — | 10% | 10% | — | — |
| Positive Tolerance | — | — | — | — | — | — | 10% | 10% | — | — |
| Rated (DC) Voltage (URdc) | — | — | — | — | — | — | 6.3 V | 10 V | — | — |
| Size Code | — | — | — | — | — | — | 0603M/0201 | 0805 | — | — |
| Temperature Characteristics Code | — | — | — | — | — | — | B | X5R | — | — |
| Temperature Coefficient | — | — | — | — | — | — | 10% ppm/°C | 15% ppm/°C | — | — |
| Terminal Shape | — | — | — | — | — | — | WRAPAROUND | WRAPAROUND | — | — |
| ## ADUM1250SRZ Alternates Showing results | — | — | — | — | — | — | — | — | Image | — |
| Screening Level | — | — | — | — | — | — | — | — | — | AEC-Q100 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 9 alternatives for ADUM1251ARZ — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for ADUM1251ARZ 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 ADUM1251ARZ 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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FAQ
What is equivalent to ADUM1251ARZ?
Known equivalents for ADUM1251ARZ include ADUM1251ARZ-RL7, ADUM3153BRSZ, SI8651ED-B-IS. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ADUM1251ARZ?
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 ADUM1251ARZ 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.