Overview
The LM211QDRG4 is a high-speed voltage comparator integrated circuit manufactured by Texas Instruments. This device is part of the LMx11 series, known for its low input currents and wide range of supply voltage compatibility. It can operate from a single 5-V supply or from ±15-V supplies, making it versatile for various applications. The LM211QDRG4 is designed to deliver high performance in systems requiring voltage level detection and signal conditioning, with outputs compatible with RTL, DTL, TTL, and MOS circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage | 3.5V to 30V, ±1.75V to ±15V |
| Maximum Input Bias Current | 300 nA |
| Maximum Input Offset Current | 70 nA |
| Output Current | Up to 50 mA |
| Output Type | DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL |
| Quiescent Current | 6 mA (Max) |
| Input Offset Voltage | 3 mV @ ±15V |
| Propagation Delay | 165 ns (Max) |
Key Features
- Fast response time of 165 ns
- Strobe capability for external control
- Offset balancing and strobe pins for external adjustment
- Outputs can be wire-OR connected
- Can drive loads referenced to ground, VCC+, or VCC-
- High gain stage for fast response after voltage difference detection
- Open collector NPN output stage with isolated emitter from VCC-
- Compliant to automotive standards and MIL-PRF-38535
Applications
The LM211QDRG4 is suitable for a wide range of applications, including industrial equipment, consumer electronics, and automotive systems. It is particularly useful in systems requiring voltage level detection and signal conditioning. The device can drive lamps or relays and switch voltages up to 50 V at currents as high as 50 mA, making it versatile for various industrial and consumer applications.
Q & A
- What is the operating temperature range of the LM211QDRG4?
The operating temperature range of the LM211QDRG4 is -40°C to 125°C. - What are the supply voltage options for the LM211QDRG4?
The LM211QDRG4 can operate from a single 5-V supply or from ±15-V supplies. - What is the maximum output current of the LM211QDRG4?
The maximum output current of the LM211QDRG4 is up to 50 mA. - What types of circuits are the output levels of the LM211QDRG4 compatible with?
The output levels are compatible with RTL, DTL, TTL, and MOS circuits. - Does the LM211QDRG4 have strobe capability?
Yes, the LM211QDRG4 has strobe capability for external control. - Can the outputs of the LM211QDRG4 be wire-OR connected?
Yes, the outputs can be wire-OR connected. - What is the maximum input bias current of the LM211QDRG4?
The maximum input bias current is 300 nA. - What is the propagation delay of the LM211QDRG4?
The propagation delay is up to 165 ns. - Is the LM211QDRG4 compliant with automotive standards?
Yes, the LM211QDRG4 is compliant with automotive standards and MIL-PRF-38535. - In what package is the LM211QDRG4 available?
The LM211QDRG4 is available in an 8-SOIC package.
