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參數(shù)資料
| 型號： | MAX3174CAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | #.3V Multiprotocol Software-Selectable Cable Terminators and Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO28 |
| 封裝： | 5.30 MM, MO-150, SSOP-28 |
| 文件頁數(shù)： | 11/19頁 |
| 文件大?。?/td> | 276K |
| 代理商： | MAX3174CAI |
M
+3.3V Multiprotocol Software-Selectable
Cable Terminators and Transceivers
______________________________________________________________________________________
11
configured for V.10 or V.28 operation as a driver or
receiver (Table 3). This mode-selection table is compati-
ble for use with the MAX3170 (clock/data transceiver)
and the MAX3171/MAX3173 (control transceiver). For
example, if X.21 mode is selected in DCE mode (M2 = 0,
M1 = 1, M0 = 1, and DCE/
DTE
= 1), the MAX3170,
MAX3171/MAX3173, and MAX3172/MAX3174 trans-
ceivers will all be placed in X.21 DCE mode.
Fail-Safe
The MAX3172/MAX3174 guarantee a logic HIGH
receiver output when the receiver input is shorted to
GND or when it is connected to a terminated transmis-
sion line with the driver disabled. The V.10 receiver
threshold is between +25mV and +250mV. If the V.10
receiver input voltage is less than +25mV, R4OUT is
logic HIGH. If the V.10 receiver input is greater than
+250mV, R4OUT is logic LOW.
The V.28 receiver threshold is between +0.8V and
+2.0V. If the V.28 receiver input voltage is less than
+0.8V, R4OUT is logic HIGH. If the receiver input is
greater than +2.0V, R4OUT is logic LOW. If the driving
transmitter is disabled or disconnected, the receiver
’
s
input voltage is pulled to zero by its internal termination.
With the receiver thresholds of the MAX3172/MAX3174,
this results in a logic HIGH.
Applications Information
Older multiprotocol cable termination implementations
have been constructed using expensive relays with dis-
crete resistors, custom cables with built-in termination,
or complex circuit board configurations to route signals
to the correct termination. The MAX3172/MAX3174 pro-
vide a simple solution to this termination problem. All
required termination configurations are software selec-
table using four mode-control input pins (M2, M1, M0,
and DCE/
DTE
).
V.11 Termination
For high-speed data transmission, the V.11 specifica-
tion recommends terminating the cable at the receiver
100
MIN
A
′
B
′
C
′
A
B
C
GENERATOR
BALANCED
INTERCONNECTING
CABLE
CABLE
TERMINATION
RECEIVER
LOAD
Figure 6. Typical V.11 Interface
A
B
S2 OFF
V.11 MODE
V.35 MODE
HIGH-Z MODE
A
C*
B
S2 ON
S1 OFF
A
B
S2 OFF
C*
C*
*NODE C IS PROVIDED IN NETWORKS 1,2,3.
R2
52
R1
52
S1 ON
R3
127
R2
52
R1
52
S1 ON
R3
127
R2
52
R1
52
R3
127
Figure 5. MAX3172/MAX3174 Termination Network Configurations
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3174CAI+ | 功能描述:接口 - 專用 3.3V Multiprotocol RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MAX3174CAI+T | 功能描述:接口 - 專用 3.3V Multiprotocol RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MAX3174CAI-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3175CAI | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3175CAI+ | 功能描述:接口 - 專用 5V Multiprotocol RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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