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參數資料
| 型號： | MC75172B |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | QUAD EIA-485 LINE DRIVERS |
| 中文描述： | 四評- 485線驅動器 |
| 文件頁數： | 11/12頁 |
| 文件大小： | 180K |
| 代理商： | MC75172B |
MC75172B MC75174B
11
MOTOROLA ANALOG IC DEVICE DATA
Comparing System Requirements
Characteristic
Symbol
EIA–485
EIA–422–A
V.11 and X.27
GENERATOR (DRIVER)
Output Impedance (Note 1)
Zout
Not Specified
100
50 10 100
Open Circuit Voltage
Differential
Single–Ended
VOCD
VOCS
1.5 to 6.0 V
6.0 V
6.0 V
6.0 V
6.0 V, w/3.9 k
, Load
6.0 V, w/3.9 k
, Load
Loaded Differential Voltage
VOD
1.5 to 5.0 V, w/54
load
2.0 V or
VOCD, w/100
load
0.5
2.0 V or
w/100
load
0.5 VOCD,
Differential Voltage Balance
VOD
VCM
VOS
VOS
IOS
200 mV
400 mV
400 mV
Output Common Mode Range
–7.0 to +12 V
Not Specified
Not Specified
Offset Voltage
–1.0
VOS
3.0 V
3.0 V
3.0 V
Offset Voltage Balance
200 mV
400 mV
400 mV
Short Circuit Current
250 mA for –7.0 to
12 V
150 mA to ground
150 mA to ground
Leakage Current (VCC = 0)
IOLK
Not Specified
100
μ
A to –0.25 V
thru 6.0 V
100
μ
A to
±
0.25 V
Output Rise/Fall Time (Note 2)
tr, tf
0.3 TB, w/54
/1150 pF
load
0.1 TB or
w/100
load
20 ns,
0.1 TB or
w/100
load
20 ns,
RECEIVER
Input Sensitivity
Vth
Vbias
Vcm
Rin
±
200 mV
±
200 mV
±
300 mV
Input Bias Voltage
3.0 V
3.0 V
3.0 V
Input Common Mode Range
–7.0 to 12 V
–7.0 to 7.0 V
–7.0 to 7.0 V
Dynamic Input Impedance
Spec number of U.L.
4 k
4 k
NOTES:
1.Compliance with V.11 and X.27 (Blue book) output impedance requires external resistors in series with the outputs of the MC75172B and MC75174B.
2.TB = Bit time.
Additional Information
Copies of the EIA Recommendations (EIA–485 and EIA–422–A) can be obtained from the Electronics Industries Association,
Washington, D.C. (202–457–4966). Copies of the CCITT Recommendations (V.11 and X.27) can be obtained from the United
States Department of Commerce, Springfield, VA (703–487–4600).
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC75172B_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Quad EIA−485 Line Drivers with Three−State Outputs |
| MC75172BDW | 功能描述:RS-485接口IC Quad EIA-485 Line RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC75172BDWG | 功能描述:RS-485接口IC Quad EIA-485 Line Driver w/3 State Out RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC75172BDWR2 | 功能描述:RS-485接口IC Quad EIA-485 Line RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC75172BDWR2G | 功能描述:RS-485接口IC Quad EIA-485 Line Driver w/3 State Out RoHS:否 制造商:Texas Instruments 數據速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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