8 FN7785.1 March 27, 2012 Test Circuits and Waveforms FIGURE 3A. VOD
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� ISL32485EIBZ
寤犲晢锛� Intersil
鏂囦欢闋佹暩(sh霉)锛� 16/17闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC TXRX RS485 FAULT PROT 8SOIC
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Solutions for Industrial Control Applications
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 98
椤炲瀷锛� 鏀剁櫦(f膩)鍣�
椹�(q奴)鍕曞櫒/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� 4.5 V ~ 5.5 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
ISL32483E, ISL32485E
8
FN7785.1
March 27, 2012
Test Circuits and Waveforms
FIGURE 3A. VOD AND VOC
FIGURE 3B. VOD AND VOC WITH COMMON MODE LOAD
FIGURE 3. DC DRIVER TEST CIRCUITS
FIGURE 4A. TEST CIRCUIT
FIGURE 4B. MEASUREMENT POINTS
FIGURE 4. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
FIGURE 5A. TEST CIRCUIT
FIGURE 5B. MEASUREMENT POINTS
FIGURE 5. DRIVER ENABLE AND DISABLE TIMES
D
DE
DI
VCC
VOD
VOC
RL/2
Z
Y
D
DE
DI
VCC
VOD
375
Z
Y
VCM
RL/2
VOC
D
DE
DI
VCC
SIGNAL
GENERATOR
RD
Z
Y
375*
CD
VCM
*ONLY USED FOR COMMON
MODE LOAD TESTS
OUT (Z)
0V
50%
VOH
VOL
OUT (Y)
tPLH
tPHL
DIFF OUT (Y - Z)
tR
+VOD
-VOD
90%
tF
10%
DI
SKEW = |tPLH - tPHL|
3V
D
DE
DI
Z
Y
VCC
GND
SW
PARAMETER
OUTPUT
RE
DI
SW
CL (pF)
tHZ
Y/Z
X
1/0
GND
50
tLZ
Y/Z
X
0/1
VCC
50
tZH
Y/Z
0 (Note 9)
1/0
GND
100
tZL
Y/Z
0 (Note 9)
0/1
VCC
100
tZH(SHDN)
Y/Z
1 (Note 12)
1/0
GND
100
tZL(SHDN)
Y/Z
1 (Note 12)
0/1
VCC
100
SIGNAL
GENERATOR
110
CL
OUT (Y, Z)
0V
50%
VOH
0V
VOH - 0.5V
tHZ
OUT (Y, Z)
VCC
VOL
VOL + 0.5V
tLZ
DE
OUTPUT LOW
tZL, tZL(SHDN)
tZH, tZH(SHDN)
2.3V
3V
(Note 11)
(Note 11)
(Note 11)
OUTPUT HIGH
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ISL32485EIBZ-T 鍔熻兘鎻忚堪:IC TXRX RS485 FAULT PROT 8SOIC RoHS:鏄� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 鎺ュ彛 - 椹�(q奴)鍕曞櫒锛屾帴鏀跺櫒锛屾敹鐧�(f膩)鍣� 绯诲垪:- 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 妯�(bi膩o)婧�(zh菙n)鍖呰:2,500 绯诲垪:- 椤炲瀷:鐧�(f膩)灏勫櫒 椹�(q奴)鍕曞櫒/鎺ユ敹鍣ㄦ暩(sh霉):4/0 瑕�(gu墨)绋�:RS422锛孯S485 闆绘簮闆诲:4.75 V ~ 5.25 V 瀹夎椤炲瀷:琛ㄩ潰璨艰 灏佽/澶栨:16-SOIC锛�0.154"锛�3.90mm 瀵級 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁�:16-SOIC 鍖呰:甯跺嵎 (TR)
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ISL32490E 鍒堕€犲晢:INTERSIL 鍒堕€犲晢鍏ㄧū:Intersil Corporation 鍔熻兘鎻忚堪:卤60V Fault Protected, 5V, RS-485/RS-422 Transceivers with 卤25V CMR
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ISL32490EIBZ 鍔熻兘鎻忚堪:IC TXRX RS485 FAULT PROT 14SOIC RoHS:鏄� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 鎺ュ彛 - 椹�(q奴)鍕曞櫒锛屾帴鏀跺櫒锛屾敹鐧�(f膩)鍣� 绯诲垪:- 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 妯�(bi膩o)婧�(zh菙n)鍖呰:50 绯诲垪:- 椤炲瀷:鏀剁櫦(f膩)鍣� 椹�(q奴)鍕曞櫒/鎺ユ敹鍣ㄦ暩(sh霉):1/1 瑕�(gu墨)绋�:RS422锛孯S485 闆绘簮闆诲:4.75 V ~ 5.25 V 瀹夎椤炲瀷:閫氬瓟 灏佽/澶栨:8-DIP锛�0.300"锛�7.62mm锛� 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁�:8-PDIP 鍖呰:绠′欢 鐢�(ch菐n)鍝佺洰閷勯爜闈�:1402 (CN2011-ZH PDF)
鐧�(f膩)甯冪穵鎬ラ噰璩硷紝3鍒嗛悩宸﹀彸鎮ㄥ皣寰楀埌鍥炲京(f霉)銆�

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*鍨嬭櫉 *鏁�(sh霉)閲� 寤犲晢 鎵硅櫉 灏佽
娣诲姞鏇村閲囪臣

鎴戠殑鑱�(li谩n)绯绘柟寮�

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