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MFG:ADI D/C:09
Part Number: ADM3078E
MFG: ADI
D/C: 09
Description: The ADM3070E to ADM3078E are 3.3 V, low power data transceivers with ±15 kV ESD protection suitable fo...
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ADM3078E
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DataSheet
General Description
ADM3078E General Description
The ADM3070E to ADM3078E 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 an 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.
ADM3078E Maximum Ratings
| Parameter | Rating |
| VCC to GND Digital Input/Output Voltage (DE, RE, DI) Receiver Output Voltage (RO) Driver Output (A, B, Y, Z)/Receiver Input (A, B) Voltage Driver Output Current Operating Temperature Range ADM307xEA_ ADM307xEY_ Storage Temperature Range JA Thermal Impedance 8-Lead SOIC_N 14-Lead SOIC_N Lead Temperature, Soldering (20 sec) |
−0.3 V to +6 V −0.3 V to +6 V −0.3 V to (VCC + 0.3 V) −8 V to +13 V ±250 mA −40°C to +85°C −40°C to +125°C −65°C to +150°C 158°C/W 120°C/W 260°C |
ADM3078E Features
·TIA/EIA RS-485/RS-422 compliant
·±15 kV ESD protection on RS-485 input/output pins
·Data rates
ADM3070E/ADM3071E/ADM3072E: 250 kbps
ADM3073E/ADM3074E/ADM3075E: 500 kbps
ADM3076E/ADM3077E/ADM3078E: 16 Mbps
·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
·Common-mode input range: −7 V to +12 V
·Thermal shutdown and short-circuit protection
·8-lead and 14-lead narrow SOIC packages
·±15 kV ESD protection on RS-485 input/output pins
·Data rates
ADM3070E/ADM3071E/ADM3072E: 250 kbps
ADM3073E/ADM3074E/ADM3075E: 500 kbps
ADM3076E/ADM3077E/ADM3078E: 16 Mbps
·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
·Common-mode input range: −7 V to +12 V
·Thermal shutdown and short-circuit protection
·8-lead and 14-lead narrow SOIC packages
ADM3078E Typical Application
·Power/energy metering
·Industrial control
·Lighting systems
·Telecommunications
·Security systems
·Instrumentation
·Industrial control
·Lighting systems
·Telecommunications
·Security systems
·Instrumentation
ADM1014
PDF/DataSheet Download
- Datasheet: ADM1014
- File Size: 171739 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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ADM3077E
The ADM3070E to ADM3078E 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 s...
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