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RS-485/RS-422 Transceivers

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MAX3232CSE
TDSEMIC
Quantity: 233
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SPQ: 2500
MAX3485EESA
TDSEMIC
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SN65176BDR
TDSEMIC
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SP3485EEN
TDSEMIC
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MAX487CSA
TDSEMIC
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SN65176DR
TDSEMIC
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SN75LBC184-TD
TDSEMIC
Quantity: 1000
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SN65LBC184DR
TDSEMIC
4.5V SOP-8
Quantity: 1390
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ST3485BDR
TDSEMIC
Quantity: 2500
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MAX3485ECSA
TDSEMIC
Quantity: 2500
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SN65HVD3082EDR
TDSEMIC
4.5V SOP-8
Quantity: 2226
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SPQ: 2500
MAX487ESA
TDSEMIC
Quantity: 1420
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Ext. Price: $0.28
MOQ: 5
Mult: 1
SPQ: 2500
ST3485ECDR
TDSEMIC
Quantity: 2500
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Ext. Price: $0.61
MOQ: 5
Mult: 1
SPQ: 2500
SP485EN
TDSEMIC
Quantity: 2500
In Stock
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Ext. Price: $0.29
MOQ: 5
Mult: 1
SPQ: 2500
SP3485EN
TDSEMIC
Quantity: 350
In Stock
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Ext. Price: $3.73
MOQ: 50
Mult: 50
SPQ: 2500
ST485EBDR
TDSEMIC
4.5V SOP-8
Quantity: 2300
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MOQ: 5
Mult: 1
SPQ: 2500
ST3485EBDR
TDSEMIC
Quantity: 5290
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MOQ: 5
Mult: 1
SPQ: 2500
MAX3485CSA
TDSEMIC
Quantity: 2460
In Stock
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1500+ $0.081
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Ext. Price: $0.45
MOQ: 5
Mult: 1
SPQ: 2500
VP3082
TDSEMIC
Quantity: 2220
In Stock
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Ext. Price: $0.42
MOQ: 5
Mult: 1
SPQ: 2500
SP3485ECN
TDSEMIC
Quantity: 2500
In Stock
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Ext. Price: $0.38
MOQ: 5
Mult: 1
SPQ: 2500
ST3485CDR
TDSEMIC
Quantity: 2500
In Stock
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Ext. Price: $0.61
MOQ: 5
Mult: 1
SPQ: 2500
ST485ECDR
TDSEMIC
Quantity: 2500
In Stock
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Ext. Price: $0.59
MOQ: 5
Mult: 1
SPQ: 2500
SP485ECN
TDSEMIC
Quantity: 2500
In Stock
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x $0.0767
Ext. Price: $0.38
MOQ: 5
Mult: 1
SPQ: 2500
MAX485EESA
TDSEMIC
Quantity: 1835
In Stock
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5+ $0.0523
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500+ $0.0481
1500+ $0.0466
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x $0.0523
Ext. Price: $0.26
MOQ: 5
Mult: 1
SPQ: 2500
MAX485ECSA
TDSEMIC
Quantity: 2500
In Stock
24+
5+ $0.1186
100+ $0.1123
500+ $0.1091
1500+ $0.1059
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x $0.1186
Ext. Price: $0.59
MOQ: 5
Mult: 1
SPQ: 2500

RS-485/RS-422 Transceivers

RS485/RS422 IC Definition:

RS485 and RS422 are communication protocols used for serial data transmission, primarily in industrial and networking applications. They are defined by the Electronic Industries Alliance (EIA) and the Telecommunications Industry Association (TIA). RS485 is a standard for balanced, differential signaling that allows for longer distances and higher noise immunity compared to RS422, which is a single-ended signaling standard.

Function:

1. RS485: It supports multiple devices on a single pair of wires, facilitating a network of up to 32 units (with a total of 32 units including the master). RS485 is capable of data rates up to 10 Mbps over short distances, but this decreases with increasing distance, typically to 100 kbps at 1200 meters.

2. RS422: It allows for point-to-point or multi-drop configurations with up to 10 units on a single pair of wires. RS422 supports data rates of up to 10 Mbps over short distances, similar to RS485, but it is more susceptible to noise and interference due to its single-ended signaling.

Applications:

- Industrial Automation: Control systems, sensors, and actuators in factories.
- Building Automation: Security systems, HVAC controls, and lighting.
- Telecommunications: Modems, routers, and network equipment.
- Transportation: Traffic control systems, vehicle communication.
- Medical Equipment: Patient monitors and diagnostic devices.

Selection Criteria:

1. Distance: Choose RS485 for longer distances and RS422 for shorter ones.
2. Noise Immunity: RS485 is more robust against electrical noise due to its differential signaling.
3. Network Size: RS485 is suitable for larger networks with multiple devices.
4. Cost: RS422 might be less expensive due to simpler hardware requirements.
5. Device Compatibility: Ensure that the ICs are compatible with the devices in your network.
6. Data Rate Requirements: Consider the maximum data rate needed for your application.
7. Environmental Factors: Choose ICs that can operate in the expected environmental conditions, such as temperature and humidity.

When selecting RS485/RS422 ICs, it's crucial to consider the specific requirements of your application, including the physical layout, the number of devices, and the environmental conditions in which the system will operate.
Please refer to the product rule book for details.