REF191ESZAlternatives & Equivalent Parts
About REF191ESZ
REF191ESZ 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 | REF191ESZSource | TLV5618ACP | REF198ESZ | ADS7841P | TLV5618AID |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Texas Instruments | Analog Devices | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages | — |
| Pin Count | 8 | 8 | 8 | 16 | — |
| Temperature Range | -40.0°C ~ 85.0°C | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — |
| Price | $3.6900 | $10.3300 | $3.6200 | $2.6000 | $10.6716 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | — |
| Electrical Parameters | |||||
| Pbfree Code | No | Yes | No | — | — |
| Manufacturer Package Code | R-8 | — | R-8 | — | — |
| YTEOL | 10 | 15 | 10 | 0 | — |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE | — | THREE TERMINAL VOLTAGE REFERENCE | — | — |
| JESD-30 Code | R-PDSO-G8 | R-PDIP-T8 | R-PDSO-G8 | R-PDIP-T16 | — |
| JESD-609 Code | e3 | e4 | e3 | e4 | — |
| Number of Functions | 1 | 1 | 1 | 1 | — |
| Number of Outputs | 1 | — | 1 | — | — |
| Output Voltage-Max | 2.05 V | — | 4.098 V | — | — |
| Output Voltage-Min | 2.046 V | — | 4.094 V | — | — |
| Output Voltage-Nom | 2.048 V | — | 4.096 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOP8,.25 | DIP8,.3 | SOP8,.25 | DIP16,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | IN-LINE | — |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| Supply Current-Max (Isup) | 0.045 mA | — | — | — | — |
| Supply Voltage-Max (Vsup) | 15 V | — | 15 V | — | — |
| Supply Voltage-Min (Vsup) | 3 V | — | 4.5 V | — | — |
| Supply Voltage-Nom (Vsup) | 3.3 V | — | 5 V | — | — |
| Surface Mount | YES | NO | YES | NO | — |
| Technology | CMOS | CMOS | CMOS | CMOS | — |
| Temp Coef of Voltage-Max | 5 ppm/°C | — | 5 ppm/°C | — | — |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | NICKEL PALLADIUM GOLD | — |
| Terminal Form | GULL WING | THROUGH-HOLE | GULL WING | THROUGH-HOLE | — |
| Terminal Pitch | 1.27 mm | 2.54 mm | 1.27 mm | 2.54 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | — | — |
| Trim/Adjustable Output | NO | — | NO | — | — |
| Voltage Tolerance-Max | 0.1% | — | 0.05% | — | — |
| ## REF191ESZ Alternates Showing results | Image | — | — | — | — |
| Analog Output Voltage-Max | — | 2.9 V | — | — | — |
| Converter Type | — | D/A CONVERTER | — | ADC, SUCCESSIVE APPROXIMATION | — |
| Input Bit Code | — | BINARY | — | — | — |
| Input Format | — | SERIAL | — | — | — |
| Linearity Error-Max (EL) | — | 0.0977% | — | 0.0488% | — |
| Number of Bits | — | 12 | — | 12 | — |
| Sample Rate | — | 0.093 MHz | — | 0.2 MHz | — |
| Settling Time-Max | — | 10 µs | — | — | — |
| Settling Time-Nom (tstl) | — | 2.5 µs | — | — | — |
| Supply Current-Max | — | 2.3 mA | — | — | — |
| Supply Voltage-Nom | — | 3 V | — | 5 V | — |
| ## TLV5618ACP Alternates Showing results | — | Image | — | — | — |
| ## REF198ESZ Alternates Showing results | — | — | Image | — | — |
| Analog Input Voltage-Max | — | — | — | 5.25 V | — |
| Conversion Time-Max | — | — | — | 3.75 µs | — |
| Number of Analog In Channels | — | — | — | 4 | — |
| Output Bit Code | — | — | — | BINARY | — |
| Output Format | — | — | — | SERIAL | — |
| Sample and Hold / Track and Hold | — | — | — | SAMPLE | — |
| Screening Level | — | — | — | TS 16949 | — |
| ## ADS7841P 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 4 alternatives for REF191ESZ — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for REF191ESZ 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 REF191ESZ 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 REF191ESZ?
Known equivalents for REF191ESZ include TLV5618ACP, REF198ESZ, ADS7841P. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of REF191ESZ?
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 REF191ESZ 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.