Analog Devices’ LTC2876/LTC2877 are PROFIBUS RS485 transceivers with a supply voltage of 4.5 V to 5.5 V but can operate down to 3 V with reduced supply current. The devices are designed for PROFIBUS-DP master and PROFIBUS-DP slave applications. They are fully compatible with IEC 61158-2, type 3: medium attachment unit (MAU). With operation up to 20 Mbps, the LTC2876/LTC2877 supports all PROFIBUS data rates up to 12 Mbps.
The LTC2876/LTC2877 are exceptionally robust, tolerating ±60 V faults on the bus pins and protected to ±52 kV ESD. These devices are suitable for harsh environments or where 24 V power might be inadvertently connected. Extended ±25 V input common mode range and full fail-safe operation improve data communication reliability in noisy systems.
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- Low noise: 1.6 ppmp-p (0.1 Hz to 10 Hz)
- Wide supply range to 36 V
- Low thermal hysteresis: LS8 15 ppm (-40°C to +125°C)
- Long-term drift: (LS8) 15 ppm/√kHr
- Fully specified from -55°C to +125°C
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- Line regulation (up to 36 V): 5 ppm/V max.
- Low dropout voltage: 100 mV max.
- Sinks and sources ±10 mA
- Load regulation at 10 mA: 8 ppm/mA max.
- Available output voltage options: 1.25 V, 2.048 V, 2.5 V, 3 V, 3.3 V, 4.096 V, 5 V
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| Applications |
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- Medical
- Precision regulators
- Process and control
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- Data acquisition systems
- Automotive control, monitoring
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Analog Devices’ LTC2876/LTC2877 are PROFIBUS RS485 transceivers with a supply voltage of 4.5 V to 5.5 V but can operate down to 3 V with reduced supply current. The devices are designed for PROFIBUS-DP master and PROFIBUS-DP slave applications. They are fully compatible with IEC 61158-2, type 3: medium attachment unit (MAU). With operation up to 20 Mbps, the LTC2876/LTC2877 supports all PROFIBUS data rates up to 12 Mbps.
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