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参数资料
| 型号： | ISL4489EIBZ-T |
| 厂商： | INTERSIL CORP |
| 元件分类： | 通用总线功能 |
| 英文描述： | Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO14 |
| 封装： | ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14 |
| 文件页数： | 9/12页 |
| 文件大小： | 477K |
| 代理商： | ISL4489EIBZ-T |
9
FN6074.2
ESD Protection
All pins on these devices include class 3 Human Body
Model (HBM) ESD protection structures, but the RS-485
pins (driver outputs and receiver inputs) incorporate
advanced structures allowing them to survive ESD events
in excess of
±
15kV HBM. The RS-485 pins are particularly
vulnerable to ESD damage because they typically connect
to an exposed port on the exterior of the finished product.
Simply touching the port pins, or connecting a cable, can
cause an ESD event that might destroy unprotected ICs.
These new ESD structures protect the device whether or
not it is powered up, protect without allowing any latchup
mechanism to activate, and without degrading the RS-485
common mode range of -7V to +12V. This built-in ESD
protection eliminates the need for board level protection
structures (e.g., transient suppression diodes), and the
associated, undesirable capacitive load they present.
Typical Performance Curves
V
CC
= 5V, T
A
= 25°C; Unless Otherwise Specified
FIGURE 6. DRIVER OUTPUT CURRENT vs DIFFERENTIAL
OUTPUT VOLTAGE
FIGURE 7. DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs
TEMPERATURE
FIGURE 8. DRIVER OUTPUT CURRENT vs SHORT CIRCUIT
VOLTAGE
FIGURE 9. SUPPLY CURRENT vs TEMPERATURE
DIFFERENTIAL OUTPUT VOLTAGE (V)
D
0
1
2
3
4
5
0
10
20
30
40
50
60
70
80
90
-40
0
50
85
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
TEMPERATURE (°C)
D
-25
25
75
R
DIFF
= 54
R
DIFF
= 100
OUTPUT VOLTAGE (V)
-7 -6
-4
-2
0
2
4
6
8
10
12
O
-60
-40
-20
0
20
40
60
80
100
120
140
160
-80
-100
-120
Y OR Z = HIGH
Y OR Z = LOW
ISL4491E
ISL4491E
ISL4489E
ISL4489E
-40
0
TEMPERATURE (°C)
50
85
I
C
-25
25
75
50
100
150
200
250
300
350
400
ISL4491E
, DE = X, RE = X
ISL4489E
, DE = X, RE = X
ISL4489E, ISL4491E
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL4491E | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers |
| ISL4491EIB | 功能描述:RS-422/RS-485 接口 IC 5V TXRX ESD RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| ISL4491EIB-T | 功能描述:IC TXRX RS-485/422 LP HS 14-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 |
| ISL4491EIBZ | 功能描述:IC TXRX RS485/422 LP HS 14-SOIC RoHS:是 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:2,500 系列:- 类型:发射器 驱动器/接收器数:4/0 规程:RS422，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
| ISL4491EIBZ-T | 功能描述:IC TXRX RS485/422 LP HS 14-SOIC RoHS:是 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:2,500 系列:- 类型:发射器 驱动器/接收器数:4/0 规程:RS422，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
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