- 鎮ㄧ従(xi脿n)鍦ㄧ殑浣嶇疆锛�璨疯常IC缍�(w菐ng) > PDF鐩寗1969 > SP483EEP-L (Exar Corporation)IC TXRX RS485 HALF DUPLEX 8PDIP PDF璩囨枡涓嬭級
鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | SP483EEP-L |
| 寤犲晢锛� | Exar Corporation |
| 鏂囦欢闋佹暩(sh霉)锛� | 8/12闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC TXRX RS485 HALF DUPLEX 8PDIP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 50 |
| 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 | RS485 |
| 闆绘簮闆诲锛� | 5V |
| 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(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 8-PDIP |
| 鍖呰锛� | 绠′欢 |
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP483E_00_02092
PIN FUNCTION
TEST CIRCUITS
A
B
R
VOD
VOC
Figure 1. RS-485 Driver DC Test Load Circuit
C
L1
15pF
RO
A
B
A
B
DI
C
L2
R
DIFF
Figure 3. RS-485 Driver/Receiver Timing Test
500
CL
Output
Under
Test
S1
S2
VCC
Figure 4. Driver Timing Test Load #2 Circuit
Figure 2. Receiver Timing Test Load Circuit
1k
CRL
Receiver
Output
S1
S2
Test Point
VCC
Pin - RO - Receiver Output
Pin 2 - RE - Receiver Output Enable Active LOW
Pin 3 - DE - Driver Output Enable Active HIGH
Pin 4 - DI - Driver Input
Pin 5 - GND - Ground Connection
Pin 6 - A - Driver Output / Receiver input
Non-Inverting
Pin 7 - B - Driver Output / Receiver Input Inverting
Pin 8 - Vcc - Positive Supply 4.75V 鈮� Vcc 鈮� 5.25V
Figure 5. Driver Propagation Delays
+3V
0V
DRIVER INPUT
A
B
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA 鈥揤B
0V
VO鈥�
1.5V
tPLH
tF
tR
tR 鈮�10ns; tF 鈮�10ns
VO 1/2VO
1/2VO
tPHL
t SKEW = |t DPLH- tDPHL|
tDPLH
tDPHL
f = 100kHz;
鐩搁棞(gu膩n)PDF璩囨枡 |
PDF鎻忚堪 |
|---|---|
| SP483ES-L | IC TXRX RS485 HALF DUPLEX 8PDIP |
| SP485REN-L/TR | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| SP487ES-L | IC DVR RS485/RS422 QUAD 16PDIP |
| SP488ET-L/TR | IC RCVR RS485/RS422 QUAD 16SOIC |
| SP491ECN-L | IC TXRX RS485 FULL DUPLX 14NSOIC |
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 |
|---|---|
| SP483EN | 鍒堕€犲晢:Exar Corporation 鍔熻兘鎻忚堪: |
| SP483EN/TR | 鍒堕€犲晢:Rochester Electronics LLC 鍔熻兘鎻忚堪: 鍒堕€犲晢:Exar Corporation 鍔熻兘鎻忚堪: |
| SP483EN-L | 鍔熻兘鎻忚堪:RS-485鎺ュ彛IC RS485 250 kbps temp -40C to 85C RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏁�(sh霉)鎿�(j霉)閫熺巼:250 Kbps 宸ヤ綔闆绘簮闆诲:3.3 V 闆绘簮闆绘祦:750 uA 宸ヤ綔婧害鑼冨湇:- 40 C to + 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-8 灏佽:Tube |
| SP483EN-L | 鍒堕€犲晢:Exar Corporation 鍔熻兘鎻忚堪:IC RS-485 TRANSCEIVER 5.25V NSOIC-8 |
| SP483EN-L/TR | 鍔熻兘鎻忚堪:RS-485鎺ュ彛IC Low Pwr Half-Duplex RS-485 RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏁�(sh霉)鎿�(j霉)閫熺巼:250 Kbps 宸ヤ綔闆绘簮闆诲:3.3 V 闆绘簮闆绘祦:750 uA 宸ヤ綔婧害鑼冨湇:- 40 C to + 125 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:SOIC-8 灏佽:Tube |
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