Allicdata Part #: | 296-36045-5-ND |
Manufacturer Part#: |
LM139AD |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC QUAD DIFF COMPARATOR 14-SOIC |
More Detail: | Comparator Differential CMOS, MOS, Open-Collector,... |
DataSheet: | LM139AD Datasheet/PDF |
Quantity: | 449 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | -- |
Packaging: | Tube |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Differential |
Number of Elements: | 4 |
Output Type: | CMOS, MOS, Open-Collector, TTL |
Voltage - Supply, Single/Dual (±): | 2 V ~ 30 V, ±1 V ~ 15 V |
Voltage - Input Offset (Max): | 2mV @ 30V |
Current - Input Bias (Max): | 0.1µA @ 5V |
Current - Output (Typ): | 20mA |
Current - Quiescent (Max): | 2mA |
CMRR, PSRR (Typ): | -- |
Propagation Delay (Max): | -- |
Hysteresis: | -- |
Operating Temperature: | -55°C ~ 125°C |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Supplier Device Package: | 14-SOIC |
Base Part Number: | LM139 |
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LM139AD Application Field and Working Principle
Linear-Comparators have been used for a long time in the field of electrical engineering and electronics. They are a type of electrical component used for voltage comparison. The most common type of Linear-Comparator is the LM139AD, although variations such as the LM339AD and LM319AD are also popular. The LM139AD is a specialized 8-pin dual-comparator integrated circuit (IC) designed for a variety of battery-powered applications. This article will focus on the application fields and working principle of the LM139AD.
Application Fields
The LM139AD is primarily used as a voltage detection and temperature controller in many electronic systems. It can be used to detect and measure the voltage of a battery or power source, or to measure temperatures in a range of situations. It can also be used as part of a voltage regulator circuit as it is capable of detecting over-voltage or over-temperature conditions and sending a signal to the regulator circuit to adjust voltage output accordingly. Its versatility and robustness make it a popular choice for power management and temperature control applications.
The LM139AD can also be used for many other purposes in which voltages need to be compared. It can be used for testing electrical circuits, for process control, for voltage conversion, for audio mixer circuits, for video signal processing, for timing and pulse generation, for temperature measurement and control, and for use as part of integrated circuits such as microcontrollers, logic systems and microprocessors.
Working Principle
The LM139AD operates on an open-collector bipolar comparator logic circuit. This comparator consists of two voltage regulators which compare the voltage of two separate inputs. When the two inputs have an unequal voltage (input 1 is greater than input 2), a signal is sent to the output terminal to indicate a voltage difference between the two inputs. The signal sent will depend on the logic used in the comparator.
In the case of the LM139AD, the two input pins (A and B) will compare the voltage of either two sources or between a source and a reference. The open-collector output pin (C) will indicate which pin (A or B) has a higher voltage. If the voltage is equal, the output will remain low. The output signal can be used as a digital input to trigger an alarm system, or as an input to other logic circuits. The LM139AD has a wide operating voltage range of 1.3V to 28V, with a high noise immunity of 20mV.
Conclusion
The LM139AD is a versatile 8-pin dual-comparator IC which is ideal for voltage detection and temperature control in many electronic systems. It operates on an open-collector bipolar comparator logic circuit, allowing two inputs to be compared, with the output indicating which pin has a higher voltage. The LM139AD has a wide operating voltage range and high noise immunity, making it a popular choice for many applications.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
LM139D | Texas Instru... | -- | 567 | IC QUAD DIFF COMPARATOR 1... |
LM139AD | Texas Instru... | -- | 449 | IC QUAD DIFF COMPARATOR 1... |
LM139DG4 | Texas Instru... | 1.11 $ | 2186 | IC QUAD DIFF COMPARATOR 1... |
LM139DT | STMicroelect... | 0.19 $ | 30000 | IC COMP QUAD LOW PWR SO-1... |
LM136H-5.0 | Texas Instru... | -- | 820 | IC VREF SHUNT 5V TO46-3Sh... |
LM139ADR | Texas Instru... | -- | 31187 | IC VOLTAGE COMPARATR QUAD... |
LM139ADRG4 | Texas Instru... | -- | 2500 | IC QUAD DIFF COMPARATOR 1... |
LM139DR | Texas Instru... | -- | 2500 | IC QUAD DIFF COMPARATOR 1... |
LM139J/PB | Texas Instru... | 7.96 $ | 3542 | IC COMP QUAD LPWR L OFF V... |
LM139AJ/PB | Texas Instru... | 7.96 $ | 1813 | IC COMP HIGH PERF QUAD 14... |
LM136H-2.5/NOPB | Texas Instru... | -- | 1008 | IC VREF SHUNT 2.49V TO46-... |
LM136H-2.5 | Texas Instru... | -- | 644 | IC VREF SHUNT 2.49V TO46-... |
LM136H-5.0/NOPB | Texas Instru... | -- | 431 | IC VREF SHUNT 5V TO46-3Sh... |
LM136AH-2.5 | Texas Instru... | 10.61 $ | 482 | IC VREF SHUNT 2.49V TO46-... |
LM139N | STMicroelect... | -- | 1000 | IC COMP QUAD LOW PWR 14DI... |
LM139APT | STMicroelect... | 0.0 $ | 1000 | IC COMP QUAD LOW PWR 14TS... |
LM139ADT | STMicroelect... | 0.53 $ | 1000 | IC COMP QUAD LOW PWR SO-1... |
LM139ADG4 | Texas Instru... | -- | 137 | IC QUAD DIFF COMPARATOR 1... |
LM139J | Texas Instru... | -- | 5 | IC COMP QUAD LPWR L OFF V... |
LM136-5.0-MW8 | Texas Instru... | 7.97 $ | 1000 | LM136-5.0-MW8Voltage Refe... |
LM136AH-5.0/NOPB | Texas Instru... | -- | 1000 | IC VREF SHUNT 5V TO46-3Sh... |
LM136AH-2.5/NOPB | Texas Instru... | -- | 1000 | IC VREF SHUNT 2.49V TO46-... |
LM136AH-5.0 | Texas Instru... | -- | 20 | IC VREF SHUNT 5V TO46-3Sh... |
LM139DRG4 | Texas Instru... | -- | 1000 | IC QUAD DIFF COMPARATOR 1... |
LM13700MX | Texas Instru... | 0.48 $ | 1000 | IC OPAMP TRANSCOND 2MHZ 1... |
LM13700MX/NOPB | Texas Instru... | -- | 1944 | IC OPAMP TRANSCOND 2MHZ 1... |
LM13700N/NOPB | Texas Instru... | -- | 5307 | IC OPAMP TRANSCOND 2MHZ 1... |
LM13700M/NOPB | Texas Instru... | 0.97 $ | 4049 | IC OPAMP TRANSCOND 2MHZ 1... |
LM137K | STMicroelect... | -- | 1000 | IC REG LINEAR NEG ADJ 1.5... |
LM138K | STMicroelect... | 0.0 $ | 1000 | IC REG LINEAR POS ADJ 5A ... |
LM1301-9RG | Bel Power So... | 429.52 $ | 1000 | AC/DC CONVERTER 12V 50WEn... |
LM138K STEEL/NOPB | Texas Instru... | 40.87 $ | 63 | IC REG LINEAR POS ADJ 5A ... |
LM137H/NOPB | Texas Instru... | -- | 532 | IC REG LIN NEG ADJ 1.5A T... |
LM137H | Texas Instru... | 11.87 $ | 41 | IC REG LIN NEG ADJ 1.5A T... |
LM138K STEEL | Texas Instru... | 45.93 $ | 57 | IC REG LINEAR POS ADJ 5A ... |
LM135H/NOPB | Texas Instru... | -- | 1000 | SENSOR TEMP ANLG VOLT TO ... |
LM135H | Texas Instru... | 9.49 $ | 822 | SENSOR TEMP ANLG VOLT TO ... |
LM135AH/NOPB | Texas Instru... | -- | 1055 | SENSOR TEMP ANLG VOLT TO ... |
LM135AH | Texas Instru... | -- | 540 | SENSOR TEMP ANLG VOLT TO ... |
LM135Z | STMicroelect... | -- | 3222 | IC TEMP SENSOR PREC TO-92... |
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