Analog Devices / TECHNICAL REFERENCE
AD8421
Instrumentation amplifier for low-level signal conditioning.
FPGA.io Part Number FIO-ADC4BFCF757B6856Internal catalogue reference · manufacturer MPN remains unchanged
Technical reference · Base device — ordering suffix not specified · Checked 2026-09-28
DOCUMENTED FACTS
Technical parameters
Values apply to the device and conditions identified in each source. Family maxima, package limits and full ordering-code specifications must not be treated as interchangeable.
| Parameter | Documented value | Source & conditions |
|---|---|---|
| Bandwidth at gain 1 | 10 MHz | AD8421 official product reference ↗Overview / Features |
| Bandwidth at gain 100 | 2 MHz | AD8421 official product reference ↗Overview / Features |
| Gain range set by resistor | 1–10000 V/V | AD8421 official product reference ↗Overview / Features |
| Single supply voltage | 5–36 V | AD8421 official product reference ↗Overview / Features |
| Input voltage noise at 1 kHz, maximum | 3.2 nV/√Hz | AD8421 official product reference ↗Overview / Features |
Official documents
AD8421 official product referenceOverview / FeaturesWeb ↗Ordering and board constraints
This reference identifies a base device. Package, speed grade, temperature, qualification and packing suffixes have not been inferred.
- Check the input-common-mode versus output-voltage operating region.
- Choose package and grade using the corresponding temperature and precision limits.
- Confirm current availability and lifecycle for the complete code before procurement.
- Review pinout, electrical conditions and the exact document revision before PCB release.
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COMPLETE PART IDENTITIES
Ordering numbers for AD8421
These references belong to this device. Evidence labels distinguish reviewed specifications, public listings and manufacturer coding examples. Counts describe this site’s documented coverage, not stock or all configurations offered by the manufacturer.
| Full ordering number | Package | Speed / temperature | Evidence | Next step |
|---|---|---|---|---|
| AD8421ACPZ-R7 | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ACPZ-RL | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ARMZ | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ARMZ-R7 | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ARMZ-RL | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ARZ | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ARZ-R7 | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421ARZ-RL | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421BRMZ | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421BRMZ-R7 | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421BRMZ-RL | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421BRZ | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421BRZ-R7 | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| AD8421BRZ-RL | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
14 of 14 codes shown
No ordering codes match. Clear the search to see this device’s documented codes.
Not verified means that parameter has not been independently established for this exact code. A code example is not confirmation that a configuration can be ordered today.