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參數(shù)資料
| 型號(hào)： | MAX3174CAI |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CABLE TERM&TXRX MULTI 28-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 46 |
| 類(lèi)型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS232 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SSOP |
| 包裝： | 管件 |
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MAX3172/MAX3174
+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
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*
*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(zhuān)用 3.3V Multiprotocol RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)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(zhuān)用 3.3V Multiprotocol RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)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(zhuān)用 5V Multiprotocol RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)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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