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| 型号： | MAX13054ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | TXRX CAN 80V FAULT PROT 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | CAN |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
MAX13050/MAX13052/MAX13053/MAX13054
Industry-Standard High-Speed CAN
Transceivers with ±80V Fault Protection
11
Maxim Integrated
(Figure 3). The transmitter becomes enabled upon
detecting a rising edge at TXD.
Receiver
The receiver reads differential inputs from the bus lines
(CANH, CANL) and transfers this data as a single-
ended output (RXD) to the CAN controller. It consists of
a comparator that senses the difference VDIFF =
(CANH - CANL) with respect to an internal threshold of
0.7V. If this difference is positive (i.e., VDIFF > 0.7), a
logic-low is present at RXD. If negative (i.e., VDIFF <
0.7V), a logic-high is present.
The CANH and CANL common-mode range is greater
than ±12V. RXD is logic-high when CANH and CANL
are shorted or terminated and undriven.
+3.3V Logic Compatibility (MAX13054)
A separate input, VCC2, allows the MAX13054 to com-
municate with +3.3V logic systems while operating from
a +5V supply. This provides a reduced input voltage
threshold to the TXD and STBY inputs, and provides a
logic-high output at RXD compatible with the microcon-
troller’s system voltage. The logic compatibility elimi-
nates longer propagation delay due to level shifting.
Connect VCC2 to VCC to operate the MAX13054 with
+5V logic systems.
Driver Output Protection
The current-limiting feature protects the transmitter out-
put stage against a short circuit to a positive and nega-
tive battery voltage. Although the power dissipation
increases during this fault condition, current-limit pro-
tection prevents destruction of the transmitter output
stage. Upon removal of a short, the CAN transceiver
resumes normal operation.
Thermal Shutdown
If the junction temperature exceeds +165°C, the driver
is switched off. The hysteresis is approximately 13°C,
TXD
RS
CANH
CANL
BUS STATE
RXD
Low
VRS
≤ 0.75 x VCC
High
Low
Dominant
Low
High or Open
VRS
≤ 0.75 x VCC
VCC / 2
Recessive
High
XVRS
≥ 0.75 x VCC
RICM to GND
Recessive
High
TXD
RS
CANH
CANL
BUS STATE
RXD
Low
VS < 0.8V
High
Low
Dominant
Low
High or Open
VS < 0.8V
VCC / 2
Recessive
High
XVS > 2V
VCC / 2
Recessive
High
Table 2. Transmitter and Receiver Truth Table (MAX13052)
TXD
STBY
CANH
CANL
BUS STATE
RXD
Low
VSTBY
≤ 0.8V
*VSTBY
≤ 0.3 x VCC2
High
Low
Dominant
Low
High or Open
VSTBY
≤ 0.8V
*VSTBY
≤ 0.3 x VCC2
VCC / 2
Recessive
High
X
VSTBY
≥ 2V
*VSTBY
≥ 0.7 x VCC2
RICM to GND
Recessive
High
Table 3. Transmitter and Receiver Truth Table
(MAX13053)
(MAX13050/MAX13054)
TRANSMITTER
DISABLED
TRANSMITTER
ENABLED
tDOM
TXD
VCANH - VCANL
Figure 3. Transmitter Dominant Timeout Timing Diagram
*
For the MAX13054
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| MAX13055EETI+T | 功能描述:转换 - 电压电平 1.62V to 3.6V 8-Channel High-Speed LLT RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| MAX13055EEVKIT+ | 功能描述:其他开发工具 8 channel high speed LLT RoHS:否 制造商:Parallax 产品:ELEV-8 Hex Upgrade Kits 类型:Robotics 工具用于评估:ELEV-8 Quadcopter 工作电源电压: |
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