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參數(shù)資料
| 型號： | DS2153Q |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PQCC44 |
| 封裝： | 0.652 INCH, PLASTIC, LCC-44 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大小： | 292K |
| 代理商： | DS2153Q |
MAX13442E/MAX13443E/MAX13444E
±15kV ESD-Protected, ±80V Fault-Protected,
Fail-Safe RS-485/J1708 Transceivers
16
______________________________________________________________________________________
J1708 Applications
The MAX13444E is designed for J1708 applications. To
configure the MAX13444E, connect DE and RE to GND.
Connect the signal to be transmitted to TXD. Terminate
the bus with the load circuit as shown in Figure 14. The
drivers used by SAE J1708 are used in a dominant-
mode application. DE is active low; a high input on DE
places the outputs in high impedance. When the driver is
disabled (TXD high or DE high), the bus is pulled high by
external bias resistors R1 and R2. Therefore, a logic-level
high is encoded as recessive. When all transceivers are
idle in this configuration, all receivers output logic-high
because of the pullup resistor on A and pulldown resistor
on B. R1 and R2 provide the bias for the recessive state.
C1 and C2 combine to form a lowpass filter, effective for
reducing FM interference. R2, C1, R4, and C2 combine
to form a 1.6MHz lowpass filter, effective for reducing
AM interference. Because the bus is unterminated, at
high frequencies, R3 and R4 perform a pseudotermina-
tion. This makes the implementation more flexible, as no
specific termination nodes are required at the ends of
the bus.
DI
RO
DE
A
B
RE
RO
DI
DE
D
R
BB
B
A
120
Ω
120
Ω
D
R
MAX13442E
MAX13443E
RE
Figure 13. MAX13442E/MAX13443E Typical RS-485 Network
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| DS2153Q-A5 | 功能描述:IC TXRX E1 1-CHIP 5V 44-PLCC RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| DS2153Q-A5/T&R | 制造商:Maxim Integrated Products 功能描述:IC TXRX E1 1-CHIP 5V 44-PLCC |
| DS2153Q-A5/T&R | 功能描述:IC TXRX E1 1-CHIP 5V 44-PLCC RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| DS2153Q-A7 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS2153Q-A7/T&R | 制造商:Maxim Integrated Products 功能描述:E1 SINGLE CHIP XCVR REV A7 T&R - Tape and Reel |
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