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參數(shù)資料
| 型號： | SP483CN-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS485 |
| 電源電壓： | 5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SP483CN-L/TR-ND |
6
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP483_485_0_0627
PIN FUNCTION
TEST CIRCUITS
A
B
R
VOD
VOC
Figure . Driver DC Test Load Circuit
C
L1
15pF
RO
A
B
A
B
DI
C
L2
R
L
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 ≤ Vcc ≤ 5.25V
Figure 5. Driver Propagation Delays
+3V
0V
DRIVER INPUT
A
B
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA –VB
0V
VO–
1.5V
tPLH
tF
tR
fSP485 = 1MHz;
tR ≤10ns; tF ≤10ns
VO 1/2VO
1/2VO
tPHL
t SKEW = |t DPLH- tDPHL|
tDPLH
tDPHL
fSP483 = 100kHz;
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP483CS | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Low Power Half-Duplex RS-485 Transceivers |
| SP483CS-L | 功能描述:RS-485接口IC RS485 250 kbps temp 0C to 70C RoHS:否 制造商:Texas Instruments 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP483E | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low EMI Half-Duplex RS-485 Transceiver |
| SP483E_05 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low EMI Half-Duplex RS-485 Transceiver |
| SP483ECN | 制造商:Exar Corporation 功能描述: |
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