ADM3072E - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADM3072E
Manufacturer

ADI
ChipWorker Part#

CW622294613
Description

3.3V, ⅛ Load, ±15kV ESD Protected, RS-485/RS-422 Transceiver (Half Duplex, 250kbps, DE/RE)
Documentation

Datasheet

ADM3072E Global Supplier

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ADM3072E Specifications

Attribute	Attribute Value

Part Number	ADM3072E
Manufacturer	ADI
ChipWorker Part#	CW622294613
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The ADM3070E–ADM3078E are 3.3V, low power data transceivers with ±15kV ESD protection suitable for full and half duplex communication on multipoint bus transmission lines. They are designed for balanced data transmission and comply with TIA/EIA standards RS-485 and RS-422. The devices have a 1/8 unit load receiver input impedance which allows up to 256 transceivers on a bus. Since only one driver should be enabled at any time, the output of a disabled or powered down driver is three-stated to avoid overloading the bus.
The receiver inputs have a true failsafe feature which eliminates the need for external bias resistors and ensures a logic high output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and when communication ceases.
The ADM307xE are 3.3 V, low power data transceivers with ±15 kV ESD protection suitable for full- and half-duplex communication on multipoint bus transmission lines. They are designed for balanced data transmission, and they comply with TIA/EIA standards: RS-485 and RS-422.
The devices have a ⅛ unit load receiver input impedance, which allows up to 256 transceivers on a bus. Because only one driver should be enabled at any time, the output of a disabled or powered-down driver is tristated to avoid overloading the bus.
The receiver inputs have a true fail-safe feature, which eliminates the need for external bias resistors and ensures a logic high output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and when communication ceases.
**Applications**
Power/energy metering
Industrial control
Lighting systems
Telecommunications
Security systems
Instrumentation
### Features and Benefits
TIA/EIA RS-485/RS-422 compliant
±15 kV ESD protection on RS-485 input/output pins
Data rates
ADM3070E/ADM3071E/ADM3072E: 250 kbps
Half- and full-duplex options
True fail-safe receiver inputs
Up to 256 nodes on the bus
−40°C to +125°C temperature option
Hot-swap input structure on DE and RE pins
Reduced slew rates for low EMI
Low power shutdown current (all except ADM3071E/ ADM3074E/ADM3077E)
Outputs high-Z when disabled or powered off
See data sheet for addional features

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