AD8421ARMZAlternatives & Equivalent Parts
About AD8421ARMZ
AD8421ARMZ 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 | AD8421ARMZSource | AD8029ARZ | ADA4622-1ARZ | LM339AM | OP491GPZ | ADR441ARMZ | INA253A1IPW |
|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Analog Devices | Analog Devices | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | — | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | — | 14 | 8 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $3.1900 | $1.2900 | $1.7100 | $0.1500 | $6.9150 | $4.0000 | $2.9609 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | |||||||
| Source Url Status Check Date | 2013-05-01 14:56:26.317 | — | — | — | — | — | — |
| Pbfree Code | No | No | No | — | No | No | — |
| Manufacturer Package Code | RM-8 | R-8 | R-8 | — | N-14 | RM-8 | — |
| YTEOL | 10 | 10 | 10 | — | 10 | 10 | 0 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | — | OPERATIONAL AMPLIFIER | — | OPERATIONAL AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.008 µA | 0.7 µA | 0.0015 µA | — | 0.095 µA | — | — |
| Bandwidth (3dB)-Nom | 10 MHz | — | — | — | — | — | — |
| Common-mode Reject Ratio-Min | 80 dB | 80 dB | 85 dB | — | 65 dB | — | 120 dB |
| Input Offset Current-Max (IIO) | 0.003 µA | — | — | — | — | — | — |
| Input Offset Voltage-Max | 86 µV | 6000 µV | 2000 µV | — | 1250 µV | — | 15 µV |
| JESD-30 Code | S-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | — | R-PDIP-T14 | S-PDSO-G8 | R-PDSO-G20 |
| JESD-609 Code | e3 | e3 | e3 | — | e3 | e4 | e4 |
| Neg Supply Voltage Limit-Max | -18 V | -6.3 V | -18 V | — | -8 V | — | — |
| Neg Supply Voltage-Nom (Vsup) | -15 V | -5 V | -15 V | — | -5 V | — | — |
| Non-linearity-Max | 0.001% | — | — | — | — | — | — |
| Number of Functions | 1 | 1 | 1 | — | 4 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 | SOP8,.25 | — | — | DIP14,.3 | TSSOP8,.19 | — |
| Package Shape | SQUARE | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | — | IN-LINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | — | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified | — |
| Slew Rate-Nom | 35 V/us | 63 V/us | 23 V/us | — | 0.5 V/us | — | 2.4 V/us |
| Supply Current-Max | 2.6 mA | 1.5 mA | 0.75 mA | — | 2.2 mA | — | 2.6 mA |
| Supply Voltage Limit-Max | 18 V | 6.3 V | 18 V | — | 8 V | — | 6 V |
| Supply Voltage-Nom (Vsup) | 15 V | 5 V | 15 V | — | 5 V | 4 V | 5 V |
| Surface Mount | YES | YES | YES | — | NO | YES | YES |
| Technology | BIPOLAR | BIPOLAR | JFET | — | BICMOS | — | BICMOS |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE | — | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 1.27 mm | 1.27 mm | — | 2.54 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | — | 30 | 30 |
| Voltage Gain-Max | 10000 | — | — | — | — | — | — |
| Voltage Gain-Min | 1 | 1580 | 44668.35 | — | 25000 | — | — |
| Architecture | — | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | — | VOLTAGE-FEEDBACK | — | CHOPPER-STAB |
| Bias Current-Max (IIB) @25C | — | 2.8 µA | 0.00001 µA | — | 0.065 µA | — | — |
| Common-mode Reject Ratio-Nom | — | 90 dB | 100 dB | — | 97 dB | — | — |
| Frequency Compensation | — | YES | YES | — | YES | — | YES |
| Low-Bias | — | NO | YES | — | NO | — | NO |
| Low-Offset | — | NO | NO | — | NO | — | YES |
| Micropower | — | NO | YES | — | YES | — | NO |
| Power | — | NO | NO | — | NO | — | NO |
| Programmable Power | — | NO | NO | — | NO | — | NO |
| Wideband | — | YES | NO | — | NO | — | NO |
| ## AD8029ARZ Alternates Showing results | — | Image | — | — | — | — | — |
| Date Of Intro | — | — | 2017-02-27 | — | — | — | 2018-12-16 |
| Unity Gain BW-Nom | — | — | 7000 | — | 3000 | — | 350 |
| Additional Feature | — | — | — | — | — | OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN | — |
| Analog IC - Other Type | — | — | — | — | — | THREE TERMINAL VOLTAGE REFERENCE | — |
| Number of Outputs | — | — | — | — | — | 1 | — |
| Output Current-Max | — | — | — | — | — | 0.01 A | — |
| Output Voltage-Max | — | — | — | — | — | 2.503 V | — |
| Output Voltage-Min | — | — | — | — | — | 2.497 V | — |
| Output Voltage-Nom | — | — | — | — | — | 2.5 V | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | 18 V | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | 3 V | — |
| Temp Coef of Voltage-Max | — | — | — | — | — | 10 ppm/°C | — |
| Trim/Adjustable Output | — | — | — | — | — | YES | — |
| Voltage Tolerance-Max | — | — | — | — | — | 0.12% | — |
| ## ADR441ARMZ Alternates Showing results | — | — | — | — | — | Image | — |
| Common Mode Voltage-Max | — | — | — | — | — | — | 80 V |
| Packing Method | — | — | — | — | — | — | TUBE |
| ## INA253A1IPW Alternates Showing results | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 6 alternatives for AD8421ARMZ — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AD8421ARMZ 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 AD8421ARMZ 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 AD8421ARMZ?
Known equivalents for AD8421ARMZ include AD8029ARZ, ADA4622-1ARZ, LM339AM. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AD8421ARMZ?
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 AD8421ARMZ 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.