CL1
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� MAX1487EESA+
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 3/16闋�(y猫)
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC TXRX RS485/RS422 8-SOIC
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 100
椤炲瀷锛� 鏀剁櫦(f膩)鍣�
椹�(q奴)鍕�(d貌ng)鍣�/鎺ユ敹鍣ㄦ暩(sh霉)锛� 1/1
瑕�(gu墨)绋嬶細 RS422锛孯S485
闆绘簮闆诲锛� 4.75 V ~ 5.25 V
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 8-SOIC锛�0.154"锛�3.90mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 8-SOIC
鍖呰锛� 绠′欢
鐢�(ch菐n)鍝佺洰閷勯爜(y猫)闈細 1402 (CN2011-ZH PDF)
卤15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
DI
DE
3V
Y
Z
CL1
CL2
A
B
RO
RE
RDIFF
VID
OUTPUT
UNDER TEST
500
惟
S1
S2
VCC
CL
Figure 10. Driver/Receiver Timing Test Circuit
Figure 11. Driver Timing Test Load
DI
3V
0V
Z
Y
VO
0V
-VO
VO
1.5V
tPLH
1/2 VO
10%
tR
90%
tPHL
1.5V
1/2 VO
10%
tF
VDIFF = V (Y) - V (Z)
VDIFF
tSKEW = | tPLH - tPHL |
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
Y, Z
VOL
Y, Z
0V
1.5V
VOL +0.5V
VOH -0.5V
2.3V
tZL(SHDN), tZL
tLZ
tZH(SHDN), tZH
tHZ
DE
Figure 12. Driver Propagation Delays
Figure 13. Driver Enable and Disable Times (except MAX488E
and MAX490E)
VOH
VOL
VID
-VID
1.5V
0V
1.5V
OUTPUT
INPUT
0V
RO
A-B
tPLH
tPHL
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
VCC
RO
0V
1.5V
VOL + 0.5V
VOH - 0.5V
1.5V
tZL(SHDN), tZL
tLZ
tZH(SHDN), tZH
tHZ
RE
Figure 14. Receiver Propagation Delays
Figure 15. Receiver Enable and Disable Times (except MAX488E
and MAX490E)
MAX481E/MAX483E/MAX485E/
MAX487E鈥揗AX491E/MAX1487E
Maxim Integrated
11
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
MAX489EESD+ IC TXRX RS485/RS422 14-SOIC
VE-BW2-IV-F2 CONVERTER MOD DC/DC 15V 150W
VE-BW2-IV-F1 CONVERTER MOD DC/DC 15V 150W
MAX488EESA+ IC TXRX RS485/422 250KBPS 8-SOIC
VE-2WB-MX CONVERTER MOD DC/DC 95V 75W
鐩搁棞(gu膩n)浠ｇ悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
鍙冩暩(sh霉)鎻忚堪
MAX1487EESA+ 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC RS-485/RS-422 Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁�(sh霉)鎿�(j霉)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�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
MAX1487EESA+G104 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC RS-485/RS-422 Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁�(sh霉)鎿�(j霉)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�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
MAX1487EESA+T 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC RS-485/RS-422 Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁�(sh霉)鎿�(j霉)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�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
MAX1487EESA+TG104 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC RS-485/RS-422 Transceiver RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁�(sh霉)鎿�(j霉)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�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
MAX1487EESA-T 鍔熻兘鎻忚堪:RS-422/RS-485 鎺ュ彛 IC RoHS:鍚� 鍒堕€犲晢:Maxim Integrated 鏁�(sh霉)鎿�(j霉)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�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-28 灏佽:Tube
鐧�(f膩)甯冪穵鎬ラ噰璩�(g貌u)锛�3鍒嗛悩宸﹀彸鎮ㄥ皣寰楀埌鍥炲京(f霉)銆�

閲囪臣(g貌u)闇€姹�

(鑻ュ彧閲囪臣(g貌u)涓€姊濆瀷铏�(h脿o)锛屽～瀵竴琛屽嵆鍙�)

鐧�(f膩)甯冩垚鍔�锛佹偍鍙互绻肩簩(x霉)鐧�(f膩)甯冮噰璩�(g貌u)銆備篃鍙互閫�(j矛n)鍏ユ垜鐨勫悗鑷�(t谩i)锛屾煡鐪嬪牨(b脿o)鍍�(ji脿)

鐧�(f膩)甯冩垚鍔燂紒鎮ㄥ彲浠ョ辜绾�(x霉)鐧�(f膩)甯冮噰璩�(g貌u)銆備篃鍙互閫�(j矛n)鍏ユ垜鐨勫悗鑷�(t谩i)锛屾煡鐪嬪牨(b脿o)鍍�(ji脿)

*鍨嬭櫉(h脿o) *鏁�(sh霉)閲� 寤犲晢 鎵硅櫉(h脿o) 灏佽
娣诲姞鏇村閲囪臣(g貌u)

鎴戠殑鑱�(li谩n)绯绘柟寮�

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