UA9638CDRAlternatives & Equivalent Parts
About UA9638CDR
UA9638CDR is a Integrated Circuit component manufactured by Texas Instruments. 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 | UA9638CDRSource | LM4140BCM-2.5 | LM4140BCM-2.5/NOPB | LM4140CCM-2.5/NOPB | UA9638CD | UA9638CDG4 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $0.3179 | $2.5308 | $2.9300 | $1.7000 | $0.3842 | $0.5803 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | No | Yes | Yes | — | — |
| YTEOL | 15 | 0 | 15 | 15 | 0 | 0 |
| Differential Output | YES | — | — | — | YES | YES |
| Driver Number of Bits | 2 | — | — | — | 2 | 2 |
| High Level Input Current-Max | 0.000025 A | — | — | — | 0.000025 A | 0.000025 A |
| Input Characteristics | STANDARD | — | — | — | STANDARD | STANDARD |
| Interface IC Type | LINE DRIVER | — | — | — | LINE DRIVER | LINE DRIVER |
| Interface Standard | EIA-422-B; TIA-422-B | — | — | — | EIA-422-B; TIA-422-B | EIA-422-B; TIA-422-B |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e4 | e0 | e3 | e3 | e4 | e4 |
| Number of Functions | 2 | 1 | 1 | 1 | 2 | 2 |
| Out Swing-Min | 2 V | — | — | — | 2 V | 2 V |
| Output Characteristics | TOTEM-POLE | — | — | — | TOTEM-POLE | TOTEM-POLE |
| Output Low Current-Max | 0.05 A | — | — | — | 0.05 A | 0.05 A |
| Output Polarity | COMPLEMENTARY | — | — | — | COMPLEMENTARY | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | SOP8,.25 | SOP8,.25 | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 235 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max | 65 mA | — | — | — | 65 mA | 65 mA |
| Supply Voltage-Max | 5.25 V | — | — | — | 5.25 V | 5.25 V |
| Supply Voltage-Min | 4.75 V | — | — | — | 4.75 V | 4.75 V |
| Supply Voltage-Nom | 5 V | — | — | — | 5 V | 5 V |
| Supply Voltage1-Max | 5.25 V | — | — | — | 5.25 V | 5.25 V |
| Supply Voltage1-Min | 4.75 V | — | — | — | 4.75 V | 4.75 V |
| Supply Voltage1-Nom | 5 V | — | — | — | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | — | CMOS | CMOS | BIPOLAR | BIPOLAR |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | TIN LEAD | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 20 | 30 | 30 | NOT SPECIFIED | 30 |
| Transmit Delay-Max | 20 ns | — | — | — | 20 ns | 20 ns |
| ## UA9638CDR Alternates Showing results | Image | — | — | — | — | — |
| Analog IC - Other Type | — | THREE TERMINAL VOLTAGE REFERENCE | THREE TERMINAL VOLTAGE REFERENCE | THREE TERMINAL VOLTAGE REFERENCE | — | — |
| Number of Outputs | — | 1 | 1 | 1 | — | — |
| Output Voltage-Max | — | 2.5025 V | 2.5025 V | 2.5025 V | — | — |
| Output Voltage-Min | — | 2.4975 V | 2.4975 V | 2.4975 V | — | — |
| Output Voltage-Nom | — | 2.5 V | 2.5 V | 2.5 V | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | 5.5 V | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | 2.7 V | 2.7 V | 2.7 V | — | — |
| Supply Voltage-Nom (Vsup) | — | 5 V | 5 V | 5 V | — | — |
| Temp Coef of Voltage-Max | — | 6 ppm/°C | 6 ppm/°C | 10 ppm/°C | — | — |
| Trim/Adjustable Output | — | NO | NO | NO | — | — |
| Voltage Tolerance-Max | — | 0.1% | 0.1% | 0.1% | — | — |
| ## LM4140BCM-2.5 Alternates Showing results | — | Image | — | — | — | — |
| Input Voltage-Max | — | — | 5.5 V | 5.5 V | — | — |
| Input Voltage-Min | — | — | 1.8 V | 1.8 V | — | — |
| ## LM4140BCM-2.5/NOPB Alternates Showing results | — | — | Image | — | — | — |
| ## LM4140CCM-2.5/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 UA9638CDR — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for UA9638CDR 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 UA9638CDR 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 UA9638CDR?
Known equivalents for UA9638CDR include LM4140BCM-2.5, LM4140BCM-2.5/NOPB, LM4140CCM-2.5/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UA9638CDR?
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 UA9638CDR 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.