OP491GSZAlternatives & Equivalent Parts
About OP491GSZ
OP491GSZ 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.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for OP491GSZ — response within 24 hours.
Specification Comparison
| Parameter | OP491GSZSource | AD8421BRMZ | ADG604YRUZ | RC0805FR-0775KL | TIP107G | LM2678S-12/NOPB |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Analog Devices | Analog Devices | YAGEO (PHYCOMP) | ON Semiconductor | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Resistor Chip | Transistor Outline, Vertical | TO-XXX (Inc. DPAK) |
| Pin Count | 14 | 8 | 14 | 2 | 3 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 155.0°C | ~ 150.0°C | -40.0°C ~ 125.0°C |
| Price | $6.8200 | $5.8300 | $2.8300 | $0.0014 | $0.5166 | $5.7956 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | No | No | No | Yes | Yes | Yes |
| Manufacturer Package Code | R-14 | RM-8 | RU-14 | — | 221A | — |
| YTEOL | 10 | 10 | 10 | 12 | 4 | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER | INSTRUMENTATION AMPLIFIER | — | — | — | — |
| Architecture | VOLTAGE-FEEDBACK | — | — | — | — | — |
| Average Bias Current-Max (IIB) | 0.095 µA | 0.006 µA | — | — | — | — |
| Bias Current-Max (IIB) @25C | 0.065 µA | — | — | — | — | — |
| Common-mode Reject Ratio-Min | 65 dB | 93 dB | — | — | — | — |
| Common-mode Reject Ratio-Nom | 97 dB | — | — | — | — | — |
| Frequency Compensation | YES | — | — | — | — | — |
| Input Offset Voltage-Max | 1250 µV | 45 µV | — | — | — | — |
| JESD-30 Code | R-PDSO-G14 | S-PDSO-G8 | R-PDSO-G14 | — | R-PSFM-T3 | R-PSSO-G7 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 |
| Low-Bias | NO | — | — | — | — | — |
| Low-Offset | NO | — | — | — | — | — |
| Micropower | YES | — | — | — | — | — |
| Neg Supply Voltage Limit-Max | -8 V | -18 V | — | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | -5 V | -15 V | -5 V | — | — | — |
| Number of Functions | 4 | 1 | 1 | — | — | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 | TSSOP8,.19 | TSSOP14,.25 | — | — | SMSIP7H,.55,50TB |
| Package Shape | RECTANGULAR | SQUARE | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMT | FLANGE MOUNT | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | 260 | 245 |
| Power | NO | — | — | — | — | — |
| Programmable Power | NO | — | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — |
| Slew Rate-Nom | 0.5 V/us | 35 V/us | — | — | — | — |
| Supply Current-Max | 2.2 mA | 2.6 mA | — | — | — | — |
| Supply Voltage Limit-Max | 8 V | 18 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | 5 V | 15 V | 5 V | — | — | — |
| Surface Mount | YES | YES | YES | YES | NO | YES |
| Technology | BICMOS | BIPOLAR | CMOS | METAL GLAZE/THICK FILM | — | — |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE | — | — | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | MATTE TIN OVER NICKEL | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 1.27 mm | 0.65 mm | 0.65 mm | — | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | 40 | 30 |
| Unity Gain BW-Nom | 3000 | — | — | — | — | — |
| Voltage Gain-Min | 25000 | 1 | — | — | — | — |
| Wideband | NO | — | — | — | — | — |
| ## OP491GSZ Alternates Showing results | Image | — | — | — | — | — |
| Source Url Status Check Date | — | 2013-05-01 14:56:26.339 | — | — | — | — |
| Bandwidth (3dB)-Nom | — | 10 MHz | — | — | — | — |
| Input Offset Current-Max (IIO) | — | 0.0008 µA | — | — | — | — |
| Non-linearity-Max | — | 0.005% | — | — | — | — |
| Voltage Gain-Max | — | 10000 | — | — | — | — |
| Voltage Gain-Nom | — | 10 | — | — | — | — |
| Analog IC - Other Type | — | — | SINGLE-ENDED MULTIPLEXER | — | — | SWITCHING REGULATOR |
| Neg Supply Voltage-Max (Vsup) | — | — | -5.5 V | — | — | — |
| Neg Supply Voltage-Min (Vsup) | — | — | -2.7 V | — | — | — |
| Normal Position | — | — | NO | — | — | — |
| Number of Channels | — | — | 4 | — | — | — |
| Off-state Isolation-Nom | — | — | 75 dB | — | — | — |
| On-state Resistance Match-Nom | — | — | 2 Ω | — | — | — |
| On-state Resistance-Max (Ron) | — | — | 115 Ω | — | — | — |
| Output | — | — | COMMON OUTPUT | — | — | — |
| Signal Current-Max | — | — | 0.02 A | — | — | — |
| Supply Current-Max (Isup) | — | — | 0.001 mA | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 2.7 V | — | — | — |
| Switch-off Time-Max | — | — | 45 ns | — | — | — |
| Switch-on Time-Max | — | — | 105 ns | — | — | — |
| Switching | — | — | BREAK-BEFORE-MAKE | — | — | — |
| ## ADG604YRUZ Alternates Showing results | — | — | Image | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | — | — |
| Additional Feature | — | — | — | LASER TRIMMABLE | LEADFORM OPTIONS ARE AVAILABLE | — |
| Construction | — | — | — | Rectangular | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — | — |
| Package Height | — | — | — | 0.5 mm | — | — |
| Package Length | — | — | — | 2 mm | — | — |
| Package Width | — | — | — | 1.25 mm | — | — |
| Packing Method | — | — | — | TR, PAPER, 7 INCH | — | — |
| Rated Power Dissipation (P) | — | — | — | 0.125 W | — | — |
| Rated Temperature | — | — | — | 70 °C | — | — |
| Resistance | — | — | — | 75000 Ω | — | — |
| Resistor Type | — | — | — | FIXED RESISTOR | — | — |
| Size Code | — | — | — | 0805 | — | — |
| Temperature Coefficient | — | — | — | 100 ppm/°C | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — |
| Tolerance | — | — | — | 1% | — | — |
| Working Voltage | — | — | — | 150 V | — | — |
| Factory Lead Time | — | — | — | — | 11 Weeks | — |
| Case Connection | — | — | — | — | COLLECTOR | — |
| Collector Current-Max (IC) | — | — | — | — | 8 A | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 100 V | — |
| Configuration | — | — | — | — | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 200 | — |
| JEDEC-95 Code | — | — | — | — | TO-220AB | — |
| Number of Elements | — | — | — | — | 1 | — |
| Polarity/Channel Type | — | — | — | — | PNP | — |
| Power Dissipation Ambient-Max | — | — | — | — | 2 W | — |
| Power Dissipation-Max (Abs) | — | — | — | — | 80 W | — |
| Transistor Application | — | — | — | — | AMPLIFIER | — |
| Transistor Element Material | — | — | — | — | SILICON | — |
| Transition Frequency-Nom (fT) | — | — | — | — | 4 MHz | — |
| Control Mode | — | — | — | — | — | VOLTAGE-MODE |
| Control Technique | — | — | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | — | — | — | — | 40 V |
| Input Voltage-Min | — | — | — | — | — | 8 V |
| Input Voltage-Nom | — | — | — | — | — | 24 V |
| Number of Outputs | — | — | — | — | — | 1 |
| Output Current-Max | — | — | — | — | — | 5 A |
| Output Voltage-Max | — | — | — | — | — | 37 V |
| Output Voltage-Min | — | — | — | — | — | 1.23 V |
| Output Voltage-Nom | — | — | — | — | — | 12 V |
| Switcher Configuration | — | — | — | — | — | BUCK |
| Switching Frequency-Max | — | — | — | — | — | 260 kHz |
| ## LM2678S-12/NOPB 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 5 alternatives for OP491GSZ — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for OP491GSZ 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 OP491GSZ 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for OP491GSZ. Get expert recommendations within 24 hours.
FAQ
What is equivalent to OP491GSZ?
Known equivalents for OP491GSZ include AD8421BRMZ, ADG604YRUZ, RC0805FR-0775KL. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OP491GSZ?
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 OP491GSZ 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.