DI = 0V or VCC A 0." />
鍙冩暩璩囨枡
鍨嬭櫉锛� MAX3490EPA+
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋佹暩锛� 11/17闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC TXRX RS485/422 10MBPS 8DIP
鐢㈠搧鍩硅〒妯″锛� Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯欐簴鍖呰锛� 50
椤炲瀷锛� 鏀剁櫦(f膩)鍣�
椹呭嫊鍣�/鎺ユ敹鍣ㄦ暩锛� 1/1
瑕�(gu墨)绋嬶細 RS422锛孯S485
闆绘簮闆诲锛� 3 V ~ 3.6 V
瀹夎椤炲瀷锛� 閫氬瓟
灏佽/澶栨锛� 8-DIP锛�0.300"锛�7.62mm锛�
渚涙噳鍟嗚ō鍌欏皝瑁濓細 8-PDIP
鍖呰锛� 绠′欢
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
No load,
DI = 0V or VCC
A
0.002
1
ISHDN
Supply Current in Shutdown Mode
0.95
1.9
mA
1.1
2.2
ICC
Supply Current
mA
-250
IOSD
250
Driver Short-Circuit Output
Current
mA
卤8
卤60
IOSR
Receiver Short-Circuit Output
Current
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
DE = 0V, RE = VCC, DI = VCC or 0V
DE = 0V,
RE = 0V
DE = VCC,
RE = 0V or VCC
VOUT = -7V
VOUT = 12V
0V 鈮� VRO 鈮� VCC
CONDITIONS
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.3V 卤0.3V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25掳C)
ns
722
35
tPLH
Driver Propagation Delay, Low-to-High Level
ns
38
25
tTD
ns
122
35
tDD
Driver Differential Output Delay
Driver Differential Output Transition Time
ns
650
900
tPSH
Driver Output Enable Time from Shutdown to High Level
ns
650
900
tPSL
Driver Output Enable Time from Shutdown to Low Level
ns
40
80
tPHZ
Driver Output Disable Time from High Level
ns
722
35
tPHL
Driver Propagation Delay, High-to-Low Level
ns
8
tPDS
|tPLH - tPHL| Driver Propagation Delay Skew (Note 2)
ns
45
90
tPZL
Driver Output Enable Time to Low Level
ns
45
90
tPZH
Driver Output Enable Time to High Level
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
RL = 27, Figure 8
RL = 60, Figure 7
RL = 110, Figure 9
RL = 110, Figure 10
RL = 110, Figure 9
RL = 27, Figure 8
RL = 110, Figure 10
RL = 110, Figure 9
CONDITIONS
DRIVER SWITCHING CHARACTERISTICS鈥擬AX3485, MAX3490, and MAX3491
(VCC = 3.3V, TA = +25掳C)
ns
40
80
tPLZ
Driver Output Disable Time from Low Level
RL = 110, Figure 10
DRIVER SWITCHING CHARACTERISTICS鈥擬AX3486
(VCC = 3.3V, TA = +25掳C)
ns
45
80
tPLZ
Driver Output Disable Time from Low Level
RL = 110, Figure 10
ns
20
48
70
tPLH
Driver Propagation Delay, Low-to-High Level
ns
15
35
60
tTD
ns
24
48
70
tDD
Driver Differential Output Delay
Driver Differential Output Transition Time
ns
700
1000
tPSH
Driver Output Enable Time from Shutdown to High Level
ns
700
1000
tPSL
Driver Output Enable Time from Shutdown to Low Level
ns
45
80
tPHZ
Driver Output Disable Time from High Level
ns
20
48
70
tPHL
Driver Propagation Delay, High-to-Low Level
ns
11
tPDS
|tPLH - tPHL| Driver Propagation Delay Skew (Note 2)
ns
55
100
tPZL
Driver Output Enable Time to Low Level
ns
55
100
tPZH
Driver Output Enable Time to High Level
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
RL = 27, Figure 8
RL = 60, Figure 7
RL = 110, Figure 9
RL = 110, Figure 10
RL = 110, Figure 9
RL = 27, Figure 8
RL = 110, Figure 10
RL = 110, Figure 9
CONDITIONS
DRIVER OUTPUT ENABLE/DISABLE TIMES (MAX3485/MAX3491 only)
Maxim Integrated
3
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
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鍙冩暩鎻忚堪
MAX3490EPA+ 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC 3.3V 10Mbps Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁告摎閫熺巼:1136 Kbps 宸ヤ綔闆绘簮闆诲:3 V to 5.5 V 闆绘簮闆绘祦:5.9 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
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MAX3490ESA+ 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC 3.3V 10Mbps Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁告摎閫熺巼:1136 Kbps 宸ヤ綔闆绘簮闆诲:3 V to 5.5 V 闆绘簮闆绘祦:5.9 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
MAX3490ESA+T 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC 3.3V 10Mbps Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁告摎閫熺巼:1136 Kbps 宸ヤ綔闆绘簮闆诲:3 V to 5.5 V 闆绘簮闆绘祦:5.9 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
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