LM193DR

Name: LM193DR
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Supports high precision voltage comparisons with industry-leading output characteristics

4,617 Effective Inventory

LM193DR

Effective Inventory4,617

Supports high precision voltage comparisons with industry-leading output characteristics

Manufacturer Part # : LM193DR
Package/Case: SOIC (D)-8
Brand: Texas Instruments
Product Categories : Comparators
Series : LM193

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LM193DR DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
5	$0.080	$0.40
50	$0.066	$3.30
150	$0.058	$8.70
500	$0.053	$26.50
2500	$0.043	$107.50
5000	$0.041	$205.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM193DR Details

The LM193DR is a high-performance comparator from Texas Instruments, designed for precision analog applications. This device features low input offset voltage, low input bias current, and fast response time, making it ideal for power management systems, oscillators, and voltage regulators.

Pinout

1 (IN+): Non-inverting Input
2 (IN-): Inverting Input
3 (OUT): Output
4 (VCC): Positive Power Supply
5 (GND): Ground

Key Features

Low Input Offset Voltage: 1.2mV maximum at 25°C
Low Input Bias Current: 10nA maximum at 25°C
Fast Response Time: 3µs typical to 0.5V output
High Common-Mode Rejection Ratio: 120 dB minimum at 1 kHz

Applications

Power Management Systems: Monitor and regulate power supply voltages
Oscillators: Generate precise clock signals for timing applications
Voltage Regulators: Monitor and regulate output voltage levels

Where to Use

The LM193DR is suitable for use in a wide range of applications, including power management systems, oscillators, and voltage regulators. It can be used in both analog and digital systems where precision and reliability are critical.

How to Use

To use the LM193DR, connect the non-inverting input (IN+) to the reference voltage source, and the inverting input (IN-) to the signal source. The output (OUT) will be high when the input signal is above the reference voltage, and low when it is below.

Application Circuit

The application circuit diagram for the LM193DR illustrates how to connect the comparator to a power management system. It includes connections for the reference voltage source, signal source, and output load.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM193: A similar comparator from Texas Instruments with comparable features and performance.
OP07: An alternative comparator from Fairchild Semiconductor with equivalent functionality.

Complementary

The LM193DR can be complemented by the LM339, a quad comparator that offers additional features and flexibility for more complex applications.

When selecting complementary components, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum input voltage range of the LM193DR?

A: The LM193DR has a maximum input voltage range of ±25V. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LM193DR be used in automotive applications?

A: Yes, the LM193DR is suitable for use in automotive applications where high reliability and precision are critical. It meets the requirements of AEC-Q100 and has a temperature range of -40°C to 150°C.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels	2	Output type	Open-collector, Open-drain
Propagation delay time (µs)	1.3	Vs (max) (V)	36
Vs (min) (V)	2	Vos (offset voltage at 25°C) (max) (mV)	5
Iq per channel (typ) (mA)	0.4	Input bias current (±) (max) (nA)	25
Rail-to-rail	Out	Rating	Automotive
Operating temperature range (°C)	-55 to 125	VICR (max) (V)	34.5
VICR (min) (V)	0

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM193DR PDF Download

FAQs

What is LM193DR?

The LM193DR is a dual voltage comparator IC manufactured by Texas Instruments. It is designed for precision comparator applications where low input offset voltage, low input bias currents, and high-input impedance are crucial.

How Does LM193DR Work?

The LM193DR works by comparing two voltages applied to its inputs and providing a high or low output based on their relative magnitudes. It has internal hysteresis to ensure stability against noise and fast response to input changes. The device operates over a wide range of power supply voltages, making it suitable for various voltage monitoring and control applications.

How Many Pins does LM193DR have and What are the Functions of the Pinout Configuration?

The LM193DR is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

IN+ (Pin 3): Non-inverting input for comparator 1.
IN- (Pin 2): Inverting input for comparator 1.
VCC+ (Pin 4): Positive power supply pin for comparator 1.
OUT (Pin 1): Output pin for comparator 1.
IN+ (Pin 5): Non-inverting input for comparator 2.
IN- (Pin 6): Inverting input for comparator 2.
VCC+ (Pin 7): Positive power supply pin for comparator 2.
OUT (Pin 8): Output pin for comparator 2.

What are the Pros and Cons of LM193DR?

Pros:

Precision Comparators: Suitable for applications requiring accurate voltage comparison.
Low Power Consumption: Operates with low power, ideal for battery-powered devices.
Wide Operating Voltage Range: Can operate over a wide range of power supply voltages.
Internal Hysteresis: Provides noise immunity and stable operation.

Cons:

Single-Ended Outputs: Output is not rail-to-rail, limiting the voltage swing.
Noisy Environments: May require additional filtering in noisy environments for reliable operation.

Are There Any Equivalents/Alternatives to LM193DR for Recommendation?

The LM393 from Texas Instruments is a similar dual voltage comparator alternative to the LM193DR.
Alternatives to the LM193DR include the LT1716 from Analog Devices and the LM311 from Texas Instruments.