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参数资料
型号： ISL4491E
厂商： Intersil Corporation
英文描述： ±15kV ESD Protected, 1/8 Unit Load, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers(±15kV ESD防护，1/8单元负载，5V, 低功率，高速且转换速率有限，全双工，RS-485/RS-422收发器)
中文描述： ± 15kV的ESD保护，1 / 8单位负载，5V，低功耗，高速率和转换率受限的，全双工，RS-485/RS-422收发器（± 15kV的ESD防护，1 / 8单元负载，5V的，低功率，高速且转换速率有限，全双工的RS-485/RS-422收发器）
文件页数： 4/12页
文件大小： 417K
代理商： ISL4491E
4
FN6074.3
Absolute Maximum Ratings
Thermal Information
V
CC
to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (V
CC
+0.5V)
Input/Output Voltages
A, B, Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V
RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (V
CC
+0.5V)
Short Circuit Duration
Y, Z. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table
Thermal Resistance (Typical, Note 1)
14 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
(Lead Tips Only)
θ
JA
(°C/W)
128
Operating Conditions
Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Test Conditions: V
CC
= 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at V
CC
= 5V, T
A
= 25°C,
Note 2
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Driver Differential V
OUT
(no load)
Driver Differential V
OUT
(with load)
V
OD1
V
OD2
Full
-
-
V
CC
-
V
R = 50
Ω
(RS-422) (Figure 1)
Full
2
3
V
R = 27
Ω
(RS-485) (Figure 1)
Full
1.5
2.3
5
V
Change in Magnitude of Driver
Differential V
OUT
for
Complementary Output States
Δ
V
OD
R = 27
Ω
or 50
Ω
(Figure 1)
Full
-
0.01
0.2
V
Driver Common-Mode V
OUT
Change in Magnitude of Driver
Common-Mode V
OUT
for
Complementary Output States
V
OC
Δ
V
OC
R = 27
Ω
or 50
Ω
(Figure 1)
Full
-
-
3
V
R = 27
Ω
or 50
Ω
(Figure 1)
Full
-
0.01
0.2
V
Logic Input High Voltage
V
IH
V
IL
I
IN1
DE, DI, RE
Full
2
-
-
V
Logic Input Low Voltage
DE, DI, RE
Full
0.8
-
-
V
Logic Input Current
DI
Full
-2
-
2
μ
A
DE, RE
Full
-40
-
40
μ
A
Input Current (A, B) (Note 5)
I
IN2
DE = 0V, V
CC
= 0V or
4.5 to 5.5V
V
IN
= 12V
V
IN
= -7V
Full
-
-
130
μ
A
Full
-100
-
-
μ
A
Driver Three-State (high
impedance) Output Current (Y, Z)
I
OZD
-7V
≤
V
O
≤
12V
Full
-100
-
100
μ
A
Receiver Differential Threshold
Voltage
V
TH
-7V
≤
V
CM
≤
12V
Full
-0.2
-
0.2
V
Receiver Input Hysteresis
Δ
V
TH
V
OH
V
OL
I
OZR
V
CM
= 0V
I
O
= -4mA, V
ID
= 200mV
I
O
= -4mA, V
ID
= 200mV
0.4V
≤
V
O
≤
2.4V
25
-
70
-
mV
Receiver Output High Voltage
Full
3.5
-
-
V
Receiver Output Low Voltage
Full
-
-
0.4
V
Three-State (high impedance)
Receiver Output Current
Full
-
-
±
1
μ
A
Receiver Input Resistance
R
IN
I
CC
-7V
≤
V
CM
≤
12V
ISL4489E, DE, DI, RE = 0V or V
CC
ISL4491E, DE, DI, RE = 0V or V
CC
DE = V
CC
, -7V
≤
V
Y
or V
Z
≤
12V (Note 4)
Full
92
120
-
k
Ω
No-Load Supply Current (Note 3)
Full
-
140
190
μ
A
Full
-
370
460
μ
A
Driver Short-Circuit Current,
V
O
= High or Low
Receiver Short-Circuit Current
I
OSD1
Full
35
-
250
mA
I
OSR
0V
≤
V
O
≤
V
CC
Full
7
-
85
mA
ISL4489E, ISL4491E
相关PDF资料
PDF描述
ISL4491EIBZ 【15kV ESD Protected, 1/8 Unit Load, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers
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相关代理商/技术参数
参数描述
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)
ISL45041 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:TFT-LCD I2C Programmable VCOM Calibrator
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