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| 型号： | ISL81387IBZ-T |
| 厂商： | Intersil |
| 文件页数： | 10/27页 |
| 文件大小： | 0K |
| 描述： | TXRX ESD RS-485/422 2PORT 20SOIC |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232，RS422，RS485 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC W |
| 包装： | 标准包装 |
| 产品目录页面： | 1241 (CN2011-ZH PDF) |
| 其它名称： | ISL81387IBZ-TDKR |
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18
FN6201.3
November 21, 2007
minimize EMI and reflections. Nevertheless, for the best jitter
performance when driving long cables, the faster speed
options may be preferable, even at lower data rates. The
faster output transitions deliver less variability (jitter) when
loaded with the large capacitance associated with long
the three speed options while driving three different cable
lengths. The figures show that under all conditions the faster
the edge rate, the better the jitter performance. Of course,
faster transitions require more attention to ensuring short
stub lengths, and quality terminations, so there are trade-offs
to be made. Assuming a jitter budget of 10%, it is likely
better to go with the slow speed option for data rates of
115kbps or less, to minimize fast edge effects. Likewise, the
medium speed option is a good choice for data rates
between 115kbps and 460kbps. For higher data rates, or
when the absolute best jitter is required, use the high speed
option.
Evaluation Board
An evaluation board, part number ISL41387EVAL1, is
available to assist in assessing the dual protocol IC’s
performance. The evaluation board contains a QFN
packaged device, but because the same die is used in all
packages, the board is also useful for evaluating the
functionality of the other versions. The board’s design allows
for evaluation of all standard features, plus the QFN specific
features. Refer to the evaluation board application note for
details and contact your sales rep for ordering information.
FIGURE 12. USING ACTIVE LOW vs ACTIVE HIGH RX
ENABLE
0.1F
+
D
R
VCC
GND
RA
RXEN
DEN
DY
+5V
ISL41387
Tx/Rx
ACTIVE HIGH RX ENABLE
0.1F
+
D
R
VCC
GND
RA
RXEN *
DEN
DY
+5V
ISL41387
Tx/Rx
* QFN ONLY
ACTIVE LOW RX ENABLE
RXEN
1k
Ω
OR NC
RXEN *
Y
Z
A
B
Y
Z
A
B
Typical Performance Curves VCC = VL = 5V, TA = +25°C; Unless Otherwise Specified.
FIGURE 13. RECEIVER OUTPUT CURRENT vs RECEIVER
OUTPUT VOLTAGE
FIGURE 14. RECEIVER HIGH OUTPUT VOLTAGE vs LOGIC
SUPPLY VOLTAGE (VL)
0123
45
0
10
20
30
40
50
RECEIVER OUTPUT VOLTAGE (V)
RECEIVE
R
OU
TP
U
T
CURRENT
(mA)
VOH, +25°C
VOH, +85°C
VOL, +25°C
VOL, +85°C
VL (V)
HI
GH
OUT
P
UT
V
O
L
T
A
G
E
(
V
)
0123
45
0
1
2
3
4
5
IOH = -1mA
IOH = -4mA
IOH = -8mA
ISL81387, ISL41387
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL81483 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers |
| ISL81483IB | 功能描述:IC TXRX RS485/422 5V LP 8-SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:25 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:4.5 V ~ 5.5 V 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 供应商设备封装:16-PDIP 包装:管件 |
| ISL81483IB-T | 功能描述:IC TXRX RS485/422 5V LP 8-SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:25 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:4.5 V ~ 5.5 V 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 供应商设备封装:16-PDIP 包装:管件 |
| ISL81483IBZ | 功能描述:IC TXRX RS485/422 5V LP 8-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| ISL81483IBZS2705 | 制造商:Intersil Corporation 功能描述:CISCO ISL81483IBZ W/CONTAINER LABELING - Rail/Tube |
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