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| 型号： | LTC1484CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 LOWPWR 8-SOIC |
| 标准包装： | 100 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1354 (CN2011-ZH PDF) |
2
LTC1484
ABSOLUTE MAXIMUM RATINGS
W
WW
U
(Note 1)
Supply Voltage (VCC)............................................... 6.5V
Control Input Voltages ................. – 0.3V to (VCC + 0.3V)
Driver Input Voltage ..................... – 0.3V to (VCC + 0.3V)
Driver Output Voltages ................................. – 7V to 10V
Receiver Input Voltages (Driver Disabled) .. –12V to 14V
Receiver Output Voltage ............... – 0.3V to (VCC + 0.3V)
Junction Temperature .......................................... 125
°C
Operating Temperature Range
LTC1484C ......................................... 0
°C ≤ TA ≤ 70°C
LTC1484I ...................................... – 40
°C ≤ TA ≤ 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5% (Notes 2 and 3) unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOD1
Differential Driver Output Voltage (Unloaded)
IOUT = 0
q
VCC
V
VOD2
Differential Driver Output Voltage (with Load)
R = 50
(RS422)
q
2V
R = 27
(RS485) Figure 1
q
1.5
5
V
R = 22
, Figure 1
q
1.5
5
V
VOD3
Differential Driver Output Voltage
VTST = – 7V to 12V, Figure 2
q
1.5
5
V
(with Common Mode)
VOD
Change in Magnitude of Driver Differential
R = 22
, 27 or R = 50, Figure 1
q
0.2
V
Output Voltage for Complementary Output States
VTST = – 7V to 12V, Figure 2
VOC
Driver Common Mode Output Voltage
R = 22
, 27 or R = 50, Figure 1
q
3V
|VOC|
Change in Magnitude of Driver Common Mode
R = 22
, 27 or R = 50, Figure 1
q
0.2
V
Output Voltage for Complementary Output States
VIH
Input High Voltage
DE, DI, RE
q
2.0
V
VIL
Input Low Voltage
DE, DI, RE
q
0.8
V
IIN1
Input Current
DE, DI, RE
q
±2
A
IIN2
Input Current (A, B)
DE = 0, VCC = 0 or 5V, VIN = 12V
q
1.0
mA
DE = 0, VCC = 0 or 5V, VIN = – 7V
q
– 0.8
mA
VTH
Differential Input Threshold Voltage for Receiver
– 7V
≤ VCM ≤ 12V, DE = 0
q
– 0.20
– 0.015
V
ELECTRICAL CHARACTERISTICS
PACKAGE/ORDER INFORMATION
W
U
ORDER PART
NUMBER
ORDER PART
NUMBER
LTC1484CMS8
LTC1484CN8
LTC1484CS8
LTC1484IN8
LTC1484IS8
S8 PART MARKING
1484
1484I
MS8 PART MARKING
LTDX
TJMAX = 125°C, θJA = 200°C/ W
TJMAX = 125°C, θJA = 130°C/ W (N8)
TJMAX = 125°C, θJA = 135°C/ W (S8)
Consult factory for Military grade parts.
1
2
3
4
RO
RE
DE
DI
8
7
6
5
VCC
B
A
GND
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
1
2
3
4
8
7
6
5
TOP VIEW
RO
RE
DE
DI
VCC
B
A
GND
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
R
D
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| LTC1484IN8#PBF | 功能描述:IC TXRX RS485 LOWPWR 8-DIP 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:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC1484IS8 | 功能描述:IC TXRX RS485 LOWPWR 8-SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
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