Overview
The CMP402GS is a low-voltage comparator from Analog Devices Inc., designed for high-performance applications. It features a propagation delay of 65 ns, making it suitable for systems requiring fast response times. The comparator is available in a 16-lead SOIC and 16-lead TSSOP package, ensuring versatility in various circuit designs.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | TA = 25°C | - | 3 mV | 4 mV | mV |
| Input Common-Mode Voltage Range | VCM | - | 0 V | - | 4.0 V | V |
| Input Differential Voltage Range | VDIFF | - | - | - | ±2.0 V | V |
| Common-Mode Rejection Ratio | CMRR | 0.1 V ≤ VCM ≤ 3.9 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 |
| Power Supply Rejection Ratio | PSRR | V+ANA and V+DIG = 2.7 V to 6 V | - | - | 60 dB | dB |
| Analog Supply Current | IANA | - | - | - | 1.2 mA | mA |
| Digital Supply Current | IDIG | VO = 0 V, RL = ∞ | - | - | 1 mA | mA |
| Propagation Delay | tP | 100 mV Step with 20 mV OD | - | - | 65 ns | ns |
| Hysteresis | - | - | - | - | 2 mV | mV |
Key Features
- Low propagation delay of 65 ns, suitable for high-speed applications.
- Single-supply operation compatible with 3 V and 5 V logic.
- Separate input and output stages for improved performance.
- High common-mode rejection ratio (CMRR) of 60 dB, ensuring robust noise rejection.
- Low input bias current of 3 µA, minimizing the impact on the input signal.
- Output compatible with CMOS and TTL logic, enhancing versatility in circuit design.
- Operating temperature range from -40°C to 125°C, suitable for a wide range of environments).
Applications
- High-speed data acquisition systems where fast response times are critical.
- Industrial control systems requiring robust and reliable signal comparison.
- Medical devices that demand precise and fast signal processing.
- Aerospace and defense applications where high performance and reliability are essential.
- Automotive systems that require stable and fast signal comparison under varying conditions.
Q & A
- What is the propagation delay of the CMP402GS comparator?
The propagation delay of the CMP402GS comparator is 65 ns for a 100 mV step with a 20 mV overdrive).
- What are the typical supply voltages for the CMP402GS?
The CMP402GS can operate with supply voltages ranging from 2.7 V to 6 V).
- What is the common-mode rejection ratio (CMRR) of the CMP402GS?
The CMRR of the CMP402GS is 60 dB, which is effective in rejecting common-mode noise).
- What is the input bias current of the CMP402GS?
The input bias current of the CMP402GS is typically 3 µA).
- What are the output types of the CMP402GS?
The output of the CMP402GS is compatible with both CMOS and TTL logic).
- What is the operating temperature range of the CMP402GS?
The CMP402GS operates over a temperature range from -40°C to 125°C).
- What are the package options for the CMP402GS?
The CMP402GS is available in 16-lead SOIC and 16-lead TSSOP packages).
- What is the hysteresis of the CMP402GS?
The hysteresis of the CMP402GS is 2 mV).
- Is the CMP402GS RoHS compliant?
No, the CMP402GS is not RoHS compliant as it contains lead).
- What is the power supply rejection ratio (PSRR) of the CMP402GS?
The PSRR of the CMP402GS is 60 dB, indicating good rejection of power supply noise).
