Overview
The CMP401GS is a low-voltage comparator integrated circuit produced by Analog Devices Inc. It is part of the CMP401/CMP402 series, known for its high-speed and low-power consumption. This device is particularly useful in applications requiring fast propagation delays and single-supply operation. The CMP401GS is available in a 16-lead SOIC package, making it suitable for a variety of electronic systems where space is a consideration.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|---|
| Propagation Delay | tP | 100 mV Step with 20 mV OD | - | 23 ns | - | ns |
| Input Offset Voltage | VOS | - | - | 4.5 mV | - | mV |
| Input Common-Mode Voltage Range | VCM | - | 0 V | - | 2.0 V | V |
| Input Differential Voltage Range | VDIFF | - | - | - | ±2.0 V | V |
| Common-Mode Rejection Ratio | CMRR | 0.1 V ≤ VCM ≤ 1.9 V | - | 60 dB | - | dB |
| Output High Voltage | VOH | IOH = –3.2 mA | - | 2.6 V | - | V |
| Output Low Voltage | VOL | IOL = 3.2 mA | - | 0.25 V | - | V |
| Analog Supply Current | IANA | - | - | 6 mA | - | mA |
| Digital Supply Current | IDIG | VO = 0 V, RL = ∞ | - | 1 mA | - | mA |
| Operating Temperature Range | - | - | -40°C | - | 125°C | °C |
Key Features
- Fast Propagation Delay: The CMP401GS has a propagation delay of 23 ns, making it suitable for high-speed applications.
- Single-Supply Operation: The device can operate with a single supply voltage ranging from 2.7 V to 6 V.
- Low Power Consumption: It has a low quiescent current, with an analog supply current of 6 mA and a digital supply current of 1 mA.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of 60 dB ensures good noise rejection.
- ESD Protection: The device features proprietary ESD protection circuitry to protect against electrostatic discharge.
- Compact Package: Available in a 16-lead SOIC package, which is suitable for surface mount applications.
Applications
The CMP401GS is versatile and can be used in various applications, including:
- Automotive Systems: Suitable for electronic cockpit solutions, battery management systems (BMS), motor and electric drive sensors, and safety solutions.
- Industrial Control Systems: Used in monitoring and control circuits where fast and accurate comparisons are necessary.
- Medical Devices: Can be employed in medical equipment requiring precise and rapid signal comparisons.
- Consumer Electronics: Applicable in devices that require low-power, high-speed comparators.
Q & A
- What is the propagation delay of the CMP401GS? The propagation delay of the CMP401GS is 23 ns for a 100 mV step with 20 mV overdrive.
- What is the input offset voltage of the CMP401GS? The input offset voltage is typically 4.5 mV.
- What is the operating temperature range of the CMP401GS? The operating temperature range is from -40°C to 125°C.
- Does the CMP401GS have ESD protection? Yes, the CMP401GS features proprietary ESD protection circuitry.
- What is the common-mode rejection ratio (CMRR) of the CMP401GS? The CMRR is typically 60 dB.
- What is the supply voltage range for the CMP401GS? The device can operate with a single supply voltage ranging from 2.7 V to 6 V.
- What is the typical analog supply current of the CMP401GS? The typical analog supply current is 6 mA.
- In what package is the CMP401GS available? The CMP401GS is available in a 16-lead SOIC package.
- What are some common applications of the CMP401GS? It is used in automotive systems, industrial control systems, medical devices, and consumer electronics.
- What is the output type of the CMP401GS? The output type is CMOS TTL.
