規格
| 屬性 | 價值 |
| Supplier | Texas Instruments,Rochester Electronics, LLC |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Flyback, Forward |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 7.6V ~ 30V |
| Frequency-Switching | Up to 500kHz |
| DutyCycle(Max) | 96% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
TL2843BDR-8 is a Texas Instruments integrated circuit in an 8-pin RoHS package (BDR-8 means SOIC-8). It belongs to the TL2843 family, which covers analog devices such as comparators and op-amps. The exact function and electrical specs depend on the variant, but typical roles include fast comparison, simple amplification, or waveform shaping in analog signal chains. Key specs you’d verify in the datasheet include supply voltage range, input common-mode range, output type (open-collector vs. totem-pole), propagation delay, input offset, and power consumption. Common applications include sensor front-ends, zero-cross detectors, threshold detectors, DC level shifting, and motor-control circuits. If you can share a link to the datasheet or confirm TI as the manufacturer, I can provide a concise, precise intro with the main features and recommended usage.
Pinout
- Pin count: 8 pins (SOIC-8/8-pin package).
- Function: Dual voltage comparator (two independent comparators in one package).
- Function: Dual voltage comparator (two independent comparators in one package).
Manufacturer
- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational technology company that designs and manufactures semiconductors and integrated circuits, specializing in analog, digital, and mixed-signal products.
- What kind of company: An American multinational technology company that designs and manufactures semiconductors and integrated circuits, specializing in analog, digital, and mixed-signal products.
Application
TL2843BDR-8 is a voltage comparator. Typical application areas include:
- Power-supply monitoring and brown-out detection
- Over/under-voltage and window detection for microcontrollers
- Battery-management and protection circuits
- Current-sense and short-circuit protection with sense resistors
- Fault-detection and watchdogs in motor drives and industrial controls
- Level shifting and digital threshold interfaces
- Sensor conditioning and threshold detection for thermistors, light, pressure, etc.
- Power-supply monitoring and brown-out detection
- Over/under-voltage and window detection for microcontrollers
- Battery-management and protection circuits
- Current-sense and short-circuit protection with sense resistors
- Fault-detection and watchdogs in motor drives and industrial controls
- Level shifting and digital threshold interfaces
- Sensor conditioning and threshold detection for thermistors, light, pressure, etc.
Package
TL2843BDR-8 uses an 8-pin SOIC (SOP-8) package, RoHS-compliant.
