SN65LBC176A
- Designed for signaling rates(1) up to 30 Mbps
- Bus-Pin ESD protection exceeds 12 kV HBM
- Compatible with ANSI standard TIA/EIA-485-A and ISO 8482:1987(E)
- Low Skew
- Designed for multipoint transmission on long bus lines in noisy environments
- Very low disabled supply-current requirements: 700 mA maximum
- Common mode voltage range of –7 V to 12 V
- Thermal-shutdown protection
- Driver positive and negative current limiting
- Open-circuit failsafe receiver design
- Receiver input sensitivity: ±200 mV Maximum
- Receiver input hysteresis: 50 mV typical
- Glitch-free power-up and power-down protection
- Available in Q-temp automotive
- High reliability automotive applications
- Configuration control / print support
- Qualification to automotive standards
(1)Signaling rate by TIA/EIA-485-A definition restrict transition times to 30% of the bit duration, and much higher signaling rates may be achieved using a different criteria (see the Typical Characteristics section).
The SN65LBC176A, SN65LBC176AQ, and SN75LBC176A differential bus transceivers are monolithic, integrated circuits designed for bidirectional data communication on multipoint bus-transmission lines. They are designed for balanced transmission lines and are compatible with ANSI standard TIA/EIA-485-A and ISO 8482. The A version offers improved switching performance over its predecessors without sacrificing significantly more power.
The SN65LBC176A, SN65LBC176AQ, and SN75LBC176A combine a 3-state, differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, which can externally connect together to function as a direction control. The driver differential outputs and the receiver differential inputs connect internally to form a differential input /output (I/O) bus port that is designed to offer minimum loading to the bus whenever the driver is disabled or VCC = 0. This port features wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications. Very low device supply current can be achieved by disabling the driver and the receiver.
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | SNx5LBC176A, Differential Bus Transceivers datasheet (Rev. G) | PDF | HTML | 2023年 2月 6日 |
| Application note | Overtemperature Protection in RS-485 Line Circuits | 2006年 4月 21日 |
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