Overview
The NCS2250SN2T1G is a high-speed, low-voltage comparator produced by onsemi. This device is part of the NCS2250 series, which includes the NCS2250 and NCS2252 models, offering fast response times and rail-to-rail input and output capabilities. The NCS2250SN2T1G is specifically packaged in a TSOP-5 (SOT23-5) package and features a complementary push-pull output stage. It is designed for applications requiring quick and accurate voltage comparisons, making it suitable for a wide range of electronic systems.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage Range | VS | 1.8 | 5.5 | V | |
| Input Common Mode Voltage Range | VCM | VSS - 0.2 | VDD + 0.2 | V | |
| Ambient Temperature | TA | -40 | 125 | °C | |
| Propagation Delay (100 mV Overdrive) | tpLH, tpHL | 50 | 64 | ns | |
| Quiescent Supply Current (No Load) | IDD | 150 | 200 | 250 | μA |
| Input Offset Voltage | VOS | 0.5 | 6 | 6 | mV |
| Input Bias Current | IIB | 20 | 1000 | pA | |
| Output Voltage High (IOUT = 4 mA) | VOH | VDD - 0.1 | VDD - 0.3 | V | |
| Output Voltage Low (IOUT = 4 mA) | VOL | VSS + 0.09 | VSS + 0.3 | V |
Key Features
- High-Speed Response: Propagation delay of 50 ns with a 100 mV overdrive, making it suitable for applications requiring fast response times.
- Rail-to-Rail Input and Output: Input common mode voltage range extends 200 mV beyond the supply rails, allowing voltage sensing at ground or the supply voltage.
- Low Power Consumption: Typical supply current of 150 μA at 5 V supply.
- Output Options: Available with complementary push-pull output (NCS2250) or open-drain output (NCS2252).
- Packages: Available in TSOP-5 (SOT23-5) and SC-88A (SC70-5) packages.
- Automotive Qualified: Devices with the NCV prefix are AEC-Q100 qualified and PPAP capable.
- Hysteresis Capability: External resistor networks can be added to prevent noise-induced switching behavior.
Applications
- Automotive Systems: Suitable for automotive applications due to its AEC-Q100 qualification and robust performance over a wide temperature range.
- Industrial Control Systems: Used in industrial control systems where fast and accurate voltage comparisons are necessary.
- Medical Devices: Can be used in medical devices requiring low power consumption and high-speed response.
- Consumer Electronics: Applicable in various consumer electronics where low voltage and high-speed comparators are needed.
- Level Translation and Level Shifting: The open-drain output option in the NCS2252 allows for level translation and level shifting applications.
Q & A
- What is the propagation delay of the NCS2250SN2T1G with a 100 mV overdrive?
The propagation delay is 50 ns with a 100 mV overdrive.
- What is the input common mode voltage range of the NCS2250SN2T1G?
The input common mode voltage range is from VSS - 0.2 V to VDD + 0.2 V.
- What are the available output options for the NCS2250 series?
The NCS2250 series is available with either a complementary push-pull output (NCS2250) or an open-drain output (NCS2252).
- What is the typical supply current of the NCS2250SN2T1G at 5 V supply?
The typical supply current is 150 μA at 5 V supply.
- What packages are available for the NCS2250SN2T1G?
The device is available in TSOP-5 (SOT23-5) and SC-88A (SC70-5) packages.
- Is the NCS2250SN2T1G automotive qualified?
Yes, devices with the NCV prefix are AEC-Q100 qualified and PPAP capable.
- How can hysteresis be added to the NCS2250SN2T1G?
Hysteresis can be added through an external resistor network to prevent noise-induced switching behavior.
- What is the output voltage high and low range for the NCS2250SN2T1G?
The output voltage high is VDD - 0.1 V to VDD - 0.3 V, and the output voltage low is VSS + 0.09 V to VSS + 0.3 V.
- What is the maximum output current capability of the NCS2250SN2T1G?
The maximum output current capability is 48 mA sourcing and 52 mA sinking.
- What is the recommended bypass capacitor value for the VDD pin?
A bypass capacitor of at least 0.1 μF is recommended as close as possible to the VDD pin.
