LM293DT Low Power Dual Channel Voltage Comparator Chip SOP-8

LM293DT Low Power Dual Channel Voltage Comparator Chip SOP-8

Model: LM293DT
SKU: D20-10-LM293DT
In Stock
EGP 15.000
In Stock
SKU: D20-10-LM293DT Categories: ,

LM293DT Low Power Dual Channel Voltage Comparator Chip SOP-8

Description

LM293DT Low Power Dual Channel Voltage Comparator Chip SOP-8

LM293DT – Key Specifications

Part Status: Active, Industrial Grade
Package: SO-8 (JEDEC MS-012, 3.9mm width)
Technology: Bipolar
Output Type: Open-Collector

1. Absolute Maximum Ratings

Parameter Conditions Value Unit
Supply Voltage (V<sub>CC</sub>) Single Supply 36 V
Dual Supplies ±18 V
Differential Input Voltage (V<sub>id</sub>) All V<sub>CC</sub> ≤ 36V 36 V
Input Voltage Range (V<sub>in</sub>) -0.3 to +36 V
Output Short-Circuit Duration To Ground Infinite –
Power Dissipation (P<sub>tot</sub>) T<sub>A</sub> = 25°C 710 mW
Operating Temperature Industrial Grade -40 to +105 °C
Storage Temperature -65 to +150 °C
ESD HBM Human Body Model 800 V

Source:  (Absolute maximums are consistent across ST documentation).

2. Recommended Operating Conditions

Parameter Min Max Unit
Supply Voltage (Single) 2.0 36 V
Supply Voltage (Dual) ±1.0 ±18 V
Input Common-Mode Voltage (V<sub>icm</sub>) 0 V<sub>CC+</sub> – 1.5 V

Note: Unique characteristic – Input common-mode voltage range includes ground (negative rail). 

3. DC & AC Electrical Characteristics (T<sub>amb</sub> = 25°C, V<sub>CC+</sub> = 5V, V<sub>CC-</sub> = GND)

Parameter Symbol Conditions Typ. Max. Unit
Input Offset Voltage V<sub>io</sub> R<sub>S</sub> ≤ 10kΩ ±1.0 ±5.0 mV
Input Offset Current I<sub>io</sub> – ±3 ±50 nA
Input Bias Current I<sub>ib</sub> – 20 250 nA
Supply Current (Total Both Comparators) I<sub>CC</sub> No Load 0.45 1.0 mA
Large Signal Voltage Gain A<sub>VD</sub> V<sub>CC</sub> = 15V, R<sub>L</sub> = 15kΩ 200 – V/mV
Output Saturation Voltage V<sub>OL</sub> I<sub>sink</sub> = 4mA, V<sub>ID</sub> = -10mV 80 250 mV
Output Sink Current I<sub>sink</sub> V<sub>ID</sub> = -1V, V<sub>O</sub> = 1.5V 6 – mA
Response Time (Propagation Delay) t<sub>PLH</sub>/t<sub>PHL</sub> TTL Input Step, 100mV Overdrive 1.3 – µs

4. Key Features & Application Notes

  • Dual Independent Comparators: Two fully independent channels in one 8-pin package.

  • Wide Supply Range: 2.0V to 36V single supply or ±1V to ±18V dual supplies.

  • Ultra-Low Power: Consumes only 0.45 mA (typ) total for both comparators; ideal for battery-powered devices .

  • Ground-Sensing Input: Input common-mode voltage range includes ground (V-), eliminating the need for negative rail in single-supply applications .

  • Versatile Outputs: Open-collector output stage allows “wired-AND” connections and is compatible with TTL, DTL, ECL, MOS, and CMOS logic families .

  • High Differential Input Voltage: Equal to the power supply voltage; no phase inversion even when inputs exceed supply .

5. Typical Applications

  • Zero-crossing detectors

  • Battery chargers and voltage monitoring

  • Window comparators

  • Oscillators and timing circuits

  • Industrial sensors and automotive electronics

  • Logic level shifting/translation

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LM293DT Low Power Dual Channel Voltage Comparator Chip SOP-8 EGP 15.000
In Stock