TL391BIDBVR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The TL391BIDBVR is a single-channel voltage comparator IC from Texas Instruments in a compact SOT23-5 package. Features 25nA max bias current and 2.5mV input offset voltage for precise signal comparison in low-power applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TL391BIDBVR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2439(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low bias current of 25nA maximum enabling high-impedance signal comparison without loading sensitive source circuits
- Low input offset voltage of 2.5mV maximum for accurate threshold detection in precision voltage monitoring applications
- 5-pin SOT23 package introduced in 2020 with RoHS-compliant lead-free construction for modern design requirements
Applications
The TL391BIDBVR is ideal for battery-powered devices and portable electronics where precise voltage threshold detection with minimal quiescent current is essential. It is commonly used in window comparator circuits, zero-crossing detectors, and level-shifting applications in IoT sensors and wearable devices. The device also serves well in signal conditioning circuits for industrial sensors requiring accurate comparator performance in space-constrained designs.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2020-06-17 |
| YTEOL | 15 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.025 µA |
| Bias Current-Max (IIB) @25C | 0.025 µA |
| Input Offset Voltage-Max | 2500 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Response Time-Nom | 1000ns |
| Supply Current-Max | 0.33mA |
| Supply Voltage Limit-Max | 38V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL391BIDBVR:
Comparator, 1 Func, 2500uV Offset-Max, 1000ns Response Time, BIPolar, PDSO5
Frequently Asked Questions
What are the key electrical specifications of the TL391BIDBVR comparator?
The TL391BIDBVR features a maximum bias current (IIB) of 25nA at 25°C and a maximum input offset voltage of 2.5mV (2500µV). These specifications enable precise voltage comparison with minimal loading of high-impedance sources. The device is rated for standard operating conditions and is housed in a 5-pin SOT23 package, suitable for low-power portable and battery-operated applications.
What package does the TL391BIDBVR use and is it RoHS compliant?
The TL391BIDBVR is housed in a 5-pin SOT23 surface-mount package (JEDEC code R-PDSO-G5), offering a very compact footprint for space-constrained PCB designs. The device is fully RoHS compliant and lead-free, as indicated by its JESD-609 code e4 and Pbfree designation, making it suitable for environmentally conscious designs and compliant with international hazardous substance regulations.
What type of amplifier circuit is the TL391BIDBVR?
The TL391BIDBVR is classified as a voltage comparator (amplifier type: comparator) with a single function channel. Unlike operational amplifiers designed for linear amplification, comparators like the TL391B are optimized for fast switching between high and low output states based on differential input voltage, making them ideal for threshold detection, zero-crossing detection, and digital signal generation from analog inputs.
When was the TL391BIDBVR introduced and what applications suit it best?
The TL391BIDBVR was introduced on June 17, 2020, making it a relatively modern device with an expected product lifetime of 15 years. It is best suited for portable consumer electronics, IoT devices, industrial sensors, and wearable technology where low-power single comparator functionality in a tiny package is required. Its combination of low bias current and low offset voltage makes it particularly valuable in precision battery monitoring and threshold alarm circuits.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.3015 | $75.38 |
| 500+ | $0.2878 | $143.88 |
| 1000+ | $0.2764 | $276.41 |
| 15000+ | $0.2483 | $3724.50 |
| 21000+ | $0.2461 | $5167.68 |
| 30000+ | $0.2439 | $7318.20 |
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