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LM2903ST
IC COMPARATOR 2 GEN PUR 8MINISO
- Fabricant
- Mfr. Partie #LM2903ST
- Paquet
- Fiche de données LM2903ST DataSheet
- En stock8195
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Spécifications
| Part Status | Active |
| Type | Standard (General Purpose) |
| Number of Elements | 2 |
| Output Type | Open-Collector, Rail-to-Rail |
| Voltage - Supply, Single/Dual (±) | 2V ~ 36V, ±1 V ~ 18V |
| Voltage - Input Offset (Max) | 7mV @ 30V |
| Current - Input Bias (Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 16mA |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-MiniSO |
| Base Product Number | LM2903 |
Vue d'ensemble
Description
This IC is commonly used in applications like voltage level detection, signal processing, and window comparators. The LM2903ST includes built-in hysteresis, which helps prevent oscillation at the output during slow input signal transitions, enhancing stability in applications.
Its temperature range extends from -40°C to +125°C, ensuring reliable performance in various environmental conditions. The LM2903ST is available in different packages, including the surface-mount SOIC-8, making it versatile for PCB designs. Overall, it is a widely utilized component in both industrial and consumer electronics for its robustness and efficiency.
Features
1. Dual Comparator: Contains two independent, high-gain, voltage comparators.
2. Wide Supply Voltage Range: Operates from 3V to 36V, accommodating various power supply configurations.
3. Low Input Offset Voltage: Typically less than 2mV, ensuring accurate comparisons.
4. Output Configuration: Open-collector outputs allow for wired-AND logic and interfacing with different voltage levels.
5. High Speed: Fast response times, typically less than 1µs, suitable for high-speed applications.
6. Temperature Range: Operates across a wide temperature range, from -40°C to +125°C.
7. Low Power Consumption: Consumes low quiescent current, making it ideal for battery-powered devices.
8. Easily Configurable: Can be used in various configurations, such as inverting or non-inverting setups.
The LM2903ST is widely used in automotive, industrial, and consumer electronics for its reliability and versatility.
Package
Pinout
1. Pin 1 (Output A): Output for comparator A.
2. Pin 2 (Inverting Input A): Inverting input for comparator A.
3. Pin 3 (Non-Inverting Input A): Non-inverting input for comparator A.
4. Pin 4 (Ground): Connects to the ground reference.
5. Pin 5 (Non-Inverting Input B): Non-inverting input for comparator B.
6. Pin 6 (Inverting Input B): Inverting input for comparator B.
7. Pin 7 (Output B): Output for comparator B.
8. Pin 8 (Vcc): Positive supply voltage.
The LM2903ST operates over a wide supply voltage range and is often used in applications requiring signal comparison, such as in analog-to-digital converters and voltage level monitoring.
Manufacturer
Application
Equivalent
1. LM393 (dual comparator, similar specs but not an exact drop-in replacement)
2. LM2901 (quad comparator)
3. TLC3702 (dual CMOS comparator)
4. MCP6541 (single comparator, low power)
Always check specific datasheets for compatibility and performance characteristics.
Expédition
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Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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