The ADM2483 differential bus transceiver is an integrated, galvanically isolated component designed for bidirectional data communication on balanced, multipoint bus transmission lines. It complies with ANSI EIA/TIA-485-A and ISO 8482: 1987(E). Using Analog Devices’ iCoupler technology, the ADM2483 combines a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package. The logic side of the device is powered with either a 5 V or 3 V supply, and the bus side uses a 5 V supply only. The ADM2483 is slew-limited to reduce reflections with improperly terminated transmission lines. The controlled slew rate limits the data rate to 500 kbps. The device’s input impedance is 96 kΩ, allowing up to 256 transceivers on the bus. Its driver has an active-high enable feature. The driver differential outputs and receiver differential inputs are connected internally to form a differential I/O port. When the driver is disabled or when VDD1 or VDD2 = 0 V, this imposes minimal loading on the bus. An active-high receiver disable feature, which causes the receive output to enter a high impedance state, is provided as well. The receiver inputs have a true fail-safe feature that ensures a logic-high receiver output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and at the point when communication ends.
Analog ADM2483 ADM2483 Chips New Original Microcontroller Electronic Components Microchip
Price:
$0.58/pieces 10-99 pieces
MOQ:
10 pieces
Delivery Time:
Negotiable
Brand:
MICROCHIP
Product Description
Product Paramenters
ADM2483
RS-485 transceiver with electrical data isolation | |
Complies with ANSI TIA/EIA RS-485-A and ISO 8482: 1987(E) | |
500 kbps data rate | |
Slew rate-limited driver outputs | |
Low power operation: 2.5 mA max | |
Suitable for 5 V or 3 V operations (VDD1) | |
High common-mode transient immunity: >25 kV/μs | |
True fail-safe receiver inputs | |
Chatter-free power-up/power-down protection | |
256 nodes on bus | |
Thermal shutdown protection | |
Safety and regulatory approvals | |
UL recognition: 2500 V rms for 1 minute per UL 1577 | |
CSA Component Acceptance Notice 5A IEC 609501 800 V rms (basic), 400 V rms (reinforced) | |
VDE Certificate of Conformity DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 VIORM = 560 V peak | |
CQC certification per GB4943.1-2011 | |
UL recognition: 2500 V rms for 1 minute per UL 1577 | |
CSA Component Acceptance Notice 5A | |
IEC 609501 800 V rms (basic), 400 V rms (reinforced) | |
IEC 609501 800 V rms (basic), 400 V rms (reinforced) | |
VDE Certificate of Conformity | |
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 | |
VIORM = 560 V peak | |
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 | |
VIORM = 560 V peak | |
CQC certification per GB4943.1-2011 | |
Operating temperature range: −40°C to +85°C |
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