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參數(shù)資料
| 型號： | MAX3055ASD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX CAN FP 14-SOIC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | CAN |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 14-SOIC |
| 包裝： | 帶卷 (TR) |
Driver Output Protection
Thermal Shutdown
If the junction temperature exceeds +165°C, the driver is
switched off. Thermal hysteresis is 15°C, disabling ther-
mal shutdown once the temperature reaches +150°C.
Overcurrent Protection
A current-limiting circuit protects the transmitter output
stage against a short circuit to a positive and negative
battery voltage. Although the power dissipation increases
during this fault condition, this feature prevents destruc-
tion of the transmitter output stage.
Failure Management
The failure detector is fully active in normal operating
mode. After the detection of a single failure, the detec-
tor switches to the appropriate state (see Table 1).
The differential receiver threshold voltage is set to -3.2V
typically (VCC = 5V). This ensures correct reception
with a noise margin as high as possible in the normal
operating mode and in the event of failures 1, 2, 5, and 9.
If any of the wiring failures occur, the output signal on
pin ERR becomes LOW after detection. On error recov-
ery, the output signal on pin ERR becomes HIGH.
MAX3054/MAX3055/MAX3056
±80V Fault-Protected/Tolerant CAN
Transceivers for In-Car Applications
______________________________________________________________________________________
13
FAILURE
DESCRIPTION
MODE
1
CANH wire interrupted
Normal
2
CANL wire interrupted
Normal
3
CANH short circuited to battery
All
4
CANL short circuited to ground
All
5
CANH short circuited to ground
Normal
6
CANL short circuited to battery
Normal
7
CANL mutually short circuited to CANH
All
8
CANH short circuited to VCC
All
9
CANL short circuited to VCC
Normal
Table 1. Failure States
MODE
DESCRIPTION
Detection
The external termination resistance connected to the RTH pin provides an instantaneous pulldown of the open
CANH line to GND. Detection is provided, sensing the pulse-count difference between CANH and CANL (pulse
count = 4).
Receiver
The receiver remains in differential mode. No received data lost.
Driver
Driver remains in differential mode. No transmission data lost.
Recovery
Recovery is provided sensing the pulse-count difference between CANH and CANL after the detection of four
consecutive pulses.
Failure 1—CANH Wire Interrupted (Normal Mode Only)
MODE
DESCRIPTION
Detection
The external termination resistance connected to the RTL pin provides an instantaneous pullup of the CANL line to
VCC. Detection is provided, sensing the pulse-count difference between CANL and CANH (pulse count = 4).
Receiver
The receiver remains in differential mode. No received data lost.
Driver
Driver remains in differential mode. No transmission data lost.
Recovery
Recovery is provided, sensing the pulse-count difference between CANL and CANH after the detection of four
consecutive pulses.
Failure 2—CANL Wire Interrupted (Normal Mode Only)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3056ASD | 功能描述:CAN 接口集成電路 80V Fault-Protected 2Mbps RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3056ASD+ | 功能描述:CAN 接口集成電路 80V Fault-Protected 2Mbps RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3056ASD+T | 功能描述:CAN 接口集成電路 80V Fault-Protected 2Mbps RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3056ASD-T | 功能描述:CAN 接口集成電路 80V Fault-Protected 2Mbps RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3057ASA | 功能描述:CAN 接口集成電路 RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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