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參數(shù)資料
| 型號(hào)： | MAX3077E |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | +3.3V.±.15kV ESD-Protected.Fail-Safe.Hot-Swap.RS-485/RS-422 Transceivers |
| 中文描述： | +3.3V、±15kV ESD保護(hù)、失效保護(hù)、熱插拔、RS-485/RS-422收發(fā)器 |
| 文件頁(yè)數(shù)： | 14/18頁(yè) |
| 文件大?。?/td> | 503K |
| 代理商： | MAX3077E |
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M
±80V Fault-Protected/Tolerant CAN
Transceivers for In-Car Applications
14
______________________________________________________________________________________
MODE
DESCRIPTION
Detection
Receiver
Driver
Sensing a permanent dominant condition on CANH for a timeout period.
Receiver switches to single ended on CANL.
CANH and RTH are both switched off (high impedance) and transmission continues on CANL after timeout.
Recovery
When the short is removed, the recessive bus voltage is restored. If the differential voltage remains below the
recessive threshold level for the timeout period, reception and transmission switch back to the differential mode.
Table 1. Failure States (continued)
Failure 3
—
CANH Short Circuited to Battery
MODE
DESCRIPTION
Detection
Receiver
Driver
Sensing a permanent dominant condition for a timeout period.
Receiver switches to single ended on CANH.
CANL and RTL are both switched off (high impedance) and transmission continues on CANH after timeout.
Recovery
When the short is removed, the recessive bus voltage is restored. If the differential voltage remains below the
recessive threshold level for the timeout period, reception and transmission switch back to the differential mode.
Failure 4
—
CANL Short Circuited to GND
MODE
DESCRIPTION
Detection
Receiver
Driver
Detection is provided, sensing the pulse-count difference between CANH and CANL (pulse count = 4).
Receiver remains in differential mode. No received data lost.
RTH remains on and CANH remains enabled.
Recovery
Recovery is provided, sensing the edge-count difference between CANH and CANL after the detection of four
consecutive pulses.
Failure 5
—
CANH Short Circuited to Ground or Below Ground (Normal Mode Only)
MODE
DESCRIPTION
Detection
Receiver
Driver
Recovery
Detected by a comparator for CANL > 7.3V after a timeout period.
Receiver switches to single ended on CANH after timeout.
RTL is switched off after timeout. CANH remains active.
Sensing CANL < 7.3V after the timeout period.
Failure 6
—
CANL Short Circuited to Battery (Normal Mode Only)
MODE
DESCRIPTION
Detection
Sensing a permanent dominant condition on the differential comparator (CANH - CANL > -3.2V) for the timeout
period.
Receiver
Driver
Receiver switches to CANH single-ended mode after timeout.
CANL and RTL are both switched off after timeout. Transmission remains ongoing on CANH.
Recovery
When the short is removed, the recessive bus voltage is restored (RTL on if CANH - CANL < -3.2V) but CANL still
remains disabled and
ERR
= 0. If the differential voltage remains below the recessive threshold level (CANH -
CANL < -3.2V) for the timeout period, reception and transmission switch back to the differential mode.
Failure 7
—
CANL Mutually Short Circuited to CANH
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3077EAPA | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3077EAPA+ | 功能描述:RS-422/RS-485 接口 IC 3.3V Fl-Sfe/Ht-Swp RS-485/RS-422 Tcvr RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3077EASA | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3077EASA/GG8 | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3077EASA+ | 功能描述:RS-422/RS-485 接口 IC 3.3V Fl-Sfe/Ht-Swp RS-485/RS-422 Tcvr RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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