LTC3631IMS8E#PBFAlternatives & Equivalent Parts
About LTC3631IMS8E#PBF
LTC3631IMS8E#PBF 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 | LTC3631IMS8E#PBFSource | 74LCX244MTC | MC100EPT25DTG | MCP4651-503E/ST | OPA1679IPWR |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices | ON Semiconductor | ON Semiconductor | Microchip | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 20 | 8 | 14 | 14 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $4.6800 | $0.3009 | $7.4100 | $0.8800 | $0.3446 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | No | Yes | Yes | — | Yes |
| Manufacturer Package Code | 05-08-1662 | 948AQ | 948R-02 | TSSOP-14 | — |
| YTEOL | 10 | 6 | 4.6 | 9 | 15 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE DOWN TO 0.8 | — | LVECL TO ECL TRANSALATION ALSO POSSIBLE | THE RESISTOR ARRAY VALUES ARE 5000 OHM,10000 OHM, 50000 OHM | — |
| Analog IC - Other Type | SWITCHING REGULATOR | — | — | — | — |
| Control Mode | CURRENT-MODE | — | — | — | — |
| Control Technique | HYSTERETIC CURRENT MODE | — | — | — | — |
| Input Voltage-Max | 45 V | — | — | — | — |
| Input Voltage-Min | 4.5 V | — | — | — | — |
| Input Voltage-Nom | 10 V | — | — | — | — |
| JESD-30 Code | S-PDSO-G8 | R-PDSO-G20 | S-PDSO-G8 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e3 | e4 | e3 | e3 | e4 |
| Number of Functions | 1 | 2 | 1 | 1 | 4 |
| Output Current-Max | 0.1 A | — | — | — | — |
| Output Voltage-Nom | 0.8 V | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | SQUARE | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | 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 | — |
| Surface Mount | YES | YES | YES | YES | YES |
| Switcher Configuration | BUCK | — | — | — | — |
| Technology | CMOS | CMOS | ECL | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 40 | 30 |
| ## LTC3631IMS8E#PBF Alternates Showing results | Image | — | — | — | — |
| Control Type | — | ENABLE LOW | — | — | — |
| Family | — | LVC/LCX/Z | — | — | — |
| Load Capacitance (CL) | — | 50 pF | — | — | — |
| Logic IC Type | — | BUS DRIVER | — | — | — |
| Max I(ol) | — | 0.024 A | — | — | — |
| Number of Bits | — | 4 | 1 | — | — |
| Number of Ports | — | 2 | — | — | — |
| Output Characteristics | — | 3-STATE | TOTEM-POLE | — | — |
| Output Polarity | — | TRUE | TRUE | — | — |
| Package Equivalence Code | — | TSSOP20,.25 | TSSOP8,.19 | TSSOP14,.25 | TSSOP14,.25 |
| Packing Method | — | RAIL | — | — | TR |
| Prop. Delay@Nom-Sup | — | 6.5 ns | — | — | — |
| Propagation Delay (tpd) | — | 7.8 ns | — | — | — |
| Supply Voltage-Max (Vsup) | — | 3.6 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | 2 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 3.3 V | — | — | 15 V |
| Factory Lead Time | — | — | 15 Weeks | 7 Weeks | — |
| Delay-Max | — | — | 1.6 ns | — | — |
| Input Characteristics | — | — | STANDARD | — | — |
| Interface IC Type | — | — | ECL TO TTL TRANSLATOR | — | — |
| Output Latch or Register | — | — | NONE | — | — |
| Supply Current-Max | — | — | 17 mA | 0.6 mA | 11.2 mA |
| Supply Voltage-Max | — | — | 3.6 V | — | — |
| Supply Voltage-Min | — | — | 3 V | — | — |
| Supply Voltage-Nom | — | — | 3.3 V | 3 V | — |
| Supply Voltage1-Max | — | — | -5.5 V | — | — |
| Supply Voltage1-Min | — | — | -3 V | — | — |
| Supply Voltage1-Nom | — | — | -3.3 V | — | — |
| Bandwidth-Nom | — | — | — | 2 kHz | — |
| Control Interface | — | — | — | 2-WIRE SERIAL | — |
| Converter Type | — | — | — | DIGITAL POTENTIOMETER | — |
| Number of Positions | — | — | — | 257 | — |
| Resistance Law | — | — | — | LINEAR | — |
| Resistance Tolerance-Max | — | — | — | 20% | — |
| Resistor Terminal Voltage-Max | — | — | — | 5.5 V | — |
| Screening Level | — | — | — | TS 16949 | — |
| Temperature Coefficient-Nom | — | — | — | 150 ppm/°C | — |
| Total Resistance-Nom | — | — | — | 100000 Ω | — |
| ## MCP4651-503E/ST Alternates Showing results | — | — | — | Image | — |
| Date Of Intro | — | — | — | — | 2017-03-14 |
| Amplifier Type | — | — | — | — | OPERATIONAL AMPLIFIER |
| Architecture | — | — | — | — | VOLTAGE-FEEDBACK |
| Common-mode Reject Ratio-Min | — | — | — | — | 100 dB |
| Common-mode Reject Ratio-Nom | — | — | — | — | 110 dB |
| Frequency Compensation | — | — | — | — | YES |
| Input Offset Voltage-Max | — | — | — | — | 2000 µV |
| Low-Bias | — | — | — | — | NO |
| Low-Offset | — | — | — | — | NO |
| Micropower | — | — | — | — | NO |
| Neg Supply Voltage Limit-Max | — | — | — | — | -20 V |
| Neg Supply Voltage-Nom (Vsup) | — | — | — | — | -15 V |
| Power | — | — | — | — | NO |
| Programmable Power | — | — | — | — | NO |
| Slew Rate-Nom | — | — | — | — | 9 V/us |
| Supply Voltage Limit-Max | — | — | — | — | 20 V |
| Unity Gain BW-Nom | — | — | — | — | 16000 |
| Voltage Gain-Min | — | — | — | — | 199526.23 |
| Wideband | — | — | — | — | NO |
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 4 alternatives for LTC3631IMS8E#PBF — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LTC3631IMS8E#PBF 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 LTC3631IMS8E#PBF 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 LTC3631IMS8E#PBF?
Known equivalents for LTC3631IMS8E#PBF include 74LCX244MTC, MC100EPT25DTG, MCP4651-503E/ST. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LTC3631IMS8E#PBF?
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 LTC3631IMS8E#PBF 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.