Overview
The LM6511IMX/NOPB is a high-performance voltage comparator designed and manufactured by Texas Instruments. This device is particularly suited for analog-digital interface circuitry, operating with supply voltages ranging from 2.7V to 36V. It is notable for its low power consumption, fast response time, and compatibility with various digital families such as +5V CMOS, +3V CMOS, and TTL. The LM6511 is available in an 8-pin SOIC package and is RoHS and Green compliant, making it an environmentally friendly option.
Key Specifications
| Parameter | Conditions | Typical | Units (Limits) |
|---|---|---|---|
| Supply Voltage | 2.5V to 30V | ||
| Operating Temperature Range | −40°C to +85°C | ||
| Response Time | 100 mV input step with 25 mV overdrive | 180 ns | |
| Input Bias Current | RS ≤ 50 kΩ | 38 nA | max 130 nA |
| Input Offset Current | RS ≤ 50 kΩ | 1.5 nA | max 20 nA |
| Positive Supply Current | V+ = 2.7V, V− = 0V | 2.7 mA | max 3.5 mA |
| Negative Supply Current | V+ = 2.7V, V− = 0V | 1.5 mA | max 2.0 mA |
| Saturation Voltage | VIN ≤ 10 mV, ISINK = 8 mA | 0.23 V | max 0.4 V |
| Common Mode Rejection Ratio (CMRR) | 72 dB |
Key Features
- Low Power Consumption: The LM6511 operates with low power consumption, less than 9.45 mW at V+ = 2.7V and V− = 0V.
- Fast Response Time: It has a fast response time of 180 ns, making it suitable for high-speed applications.
- Wide Supply Voltage Range: The device can operate with supply voltages ranging from 2.7V to 36V.
- Output Compatibility: The open-collector output allows signal compatibility with various digital families such as +5V CMOS, +3V CMOS, and TTL.
- Isolation and Wire-ORing: The inputs and output can be isolated from system ground, and the device supports wire-ORing.
- Industry-Standard Pinout: The LM6511 uses the industry-standard single comparator pinout configuration.
Applications
- Portable Equipment: Suitable for use in portable devices due to its low power consumption and compact SOIC package.
- Cellular Phones: Used in cellular phone designs for its compatibility with various digital logic levels.
- Digital Level Shifting: Can be used to shift logic levels between different voltage domains, such as from 3V to TTL or CMOS.
- General Analog-Digital Interface Circuitry: Ideal for any application requiring a high-speed, low-power voltage comparator.
Q & A
- What is the typical response time of the LM6511?
The typical response time of the LM6511 is 180 ns for a 100 mV input step with a 25 mV overdrive.
- What is the operating supply voltage range for the LM6511?
The LM6511 can operate with supply voltages ranging from 2.7V to 36V.
- What is the maximum power consumption of the LM6511 at 2.7V supply voltage?
The maximum power consumption at V+ = 2.7V and V− = 0V is less than 9.45 mW).
- Is the LM6511 compatible with different digital logic families?
Yes, the LM6511 is compatible with +5V CMOS, +3V CMOS, TTL, and other digital families due to its open-collector output).
- What is the common mode rejection ratio (CMRR) of the LM6511?
The CMRR of the LM6511 is 72 dB).
- Can the LM6511 be used for digital level shifting?
Yes, the LM6511 can be used to shift logic levels between different voltage domains, such as from 3V to TTL or CMOS).
- What is the package type and pin count of the LM6511IMX/NOPB?
The LM6511IMX/NOPB is available in an 8-pin SOIC package).
- Is the LM6511 RoHS and Green compliant?
Yes, the LM6511IMX/NOPB is RoHS and Green compliant).
- What are the typical input bias and offset currents of the LM6511?
The typical input bias current is 38 nA, and the typical input offset current is 1.5 nA).
- What is the saturation voltage of the LM6511?
The saturation voltage (VSAT) is typically 0.23 V with VIN ≤ 10 mV and ISINK = 8 mA).
