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Specifications
SKU: 12511178
| Parameter | Symbol | Min | Typical | Max | Unit | Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 3.0 | - | 5.5 | V | |
| Operating Temperature | Toper | -40 | - | 125 | °C | |
| Storage Temperature | Tstg | -65 | - | 150 | °C | |
| Driver Output High Voltage | VOH | 2.4 | - | VDD | V | IOL = -4 mA, VDD = 3.3 V |
| Driver Output Low Voltage | VOL | 0 | - | 0.4 | V | IOH = 4 mA, VDD = 3.3 V |
| Input Threshold Voltage | VIT | 1.0 | 1.375 | 1.75 | V | |
| Input Hysteresis | VIHYS | 0.3 | 0.4 | 0.5 | V | |
| Propagation Delay | tpd | 15 | - | 25 | ns | VDD = 5 V, 100 Ω load |
| Skew | tskew | 0 | - | 5 | ns | VDD = 5 V, 100 Ω load |
| Power Consumption | IDD | 0 | 150 | 250 | μA | VDD = 5 V, no load |
| ESD Rating | HBM | - | - | 4000 | V | Human Body Model |
| ESD Rating | MM | - | - | 250 | V | Machine Model |
Instructions for Using ADM2483BRWZ
Power Supply:
- Ensure the supply voltage (VDD) is within the range of 3.0 V to 5.5 V.
- Connect VDD to a stable power source and GND to the ground.
Signal Lines:
- Connect the differential input lines (A and B) to the RS-485 bus.
- The driver output (Y and Z) should be connected to the RS-485 bus as well.
Termination:
- For optimal performance, terminate the RS-485 bus with a 120 Ω resistor at both ends of the bus, especially in longer cable runs.
Driver Enable:
- The DE (Driver Enable) pin controls the driver. Set DE high to enable the driver and low to disable it.
- The RE (Receiver Enable) pin controls the receiver. Set RE low to enable the receiver and high to disable it.
Data Transmission:
- When transmitting data, ensure that the DE pin is high and the RE pin is low.
- When receiving data, set the DE pin low and the RE pin low.
Operating Temperature:
- The device is designed to operate within the temperature range of -40°C to 125°C. Ensure the operating environment does not exceed these limits.
Storage Temperature:
- Store the device in an environment where the temperature ranges from -65°C to 150°C.
ESD Protection:
- Handle the device with care to avoid electrostatic discharge (ESD). Use proper ESD protection measures such as grounding wrist straps and static-free work surfaces.
Mounting:
- Solder the device onto the PCB using standard surface mount technology (SMT) procedures.
- Ensure good thermal management by providing adequate heat dissipation if the device will be operating in high-temperature environments.
Testing:
- After mounting, test the device to ensure proper functionality. Check the supply voltage, signal integrity, and communication over the RS-485 bus.
By following these instructions, you can ensure reliable operation and long-term performance of the ADM2483BRWZ.
(For reference only)Inquiry - ADM2483BRWZ
