Overview
The LM2901DTBR2, produced by onsemi, is a quad voltage comparator integrated circuit designed for a wide range of applications. It features four independent comparators, each capable of operating from a single supply voltage or split supply voltages. This device is particularly useful in level detection, low-level sensing, and memory applications across various industries including consumer, automotive, and industrial electronics.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Supply Voltage | VCC | - | - | 36 or ±18 | Vdc |
| Input Differential Voltage Range | VIDR | - | - | 36 | Vdc |
| Input Common Mode Voltage Range | VICMR | 0 | - | VCC - 1.5 | Vdc |
| Input Offset Voltage | VIO | - | ±2.0 | ±5.0 | mVdc |
| Input Bias Current | IIB | - | 25 | 250 | nA |
| Input Offset Current | IIO | - | ±5.0 | ±50 | nA |
| Supply Current | ICC | 0.8 | 1.0 | 2.5 | mA |
| Output Saturation Voltage | Vsat | 130 | - | 400 | mV |
| Output Sink Current | ISink | 6.0 | - | 16 | mA |
| Operating Ambient Temperature Range | TA | -40 | - | 105 | °C |
Key Features
- Single supply operation: 3.0 V to 36 V and split supply operation: ±1.5 V to ±18 V.
- Low input bias current: 25 nA (typ) and low input offset current: ±5.0 nA (typ).
- Low input offset voltage and low output saturation voltage: 130 mV (typ) at 4.0 mA.
- TTL and CMOS compatible outputs.
- ESD clamps on the inputs increase reliability without affecting device operation.
- Wide operating temperature range: -40°C to +105°C for LM2901 and LM2901E.
Applications
The LM2901DTBR2 is suitable for various applications including level detection, low-level sensing, and memory applications. It is widely used in consumer electronics, automotive systems, and industrial electronic devices where precise voltage comparison is required.
Q & A
- What is the power supply voltage range for the LM2901DTBR2? The power supply voltage range is from 3.0 V to 36 V for single supply and ±1.5 V to ±18 V for split supply.
- What is the typical input bias current of the LM2901DTBR2? The typical input bias current is 25 nA.
- What is the output saturation voltage of the LM2901DTBR2? The output saturation voltage is typically 130 mV at 4.0 mA.
- Is the LM2901DTBR2 compatible with TTL and CMOS logic? Yes, the LM2901DTBR2 is compatible with TTL and CMOS logic.
- What is the operating temperature range for the LM2901DTBR2? The operating temperature range is from -40°C to +105°C.
- Does the LM2901DTBR2 have ESD protection? Yes, the LM2901DTBR2 has ESD clamps on the inputs to increase reliability.
- How many comparators are included in the LM2901DTBR2? The LM2901DTBR2 includes four independent voltage comparators.
- What is the typical supply current of the LM2901DTBR2? The typical supply current is 1.0 mA.
- Is the LM2901DTBR2 RoHS compliant? Yes, the LM2901DTBR2 is totally lead-free and fully RoHS compliant.
- What are some common applications of the LM2901DTBR2? Common applications include level detection, low-level sensing, and memory applications in consumer, automotive, and industrial electronics.
