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参数资料
| 型号： | LTC1481CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 LOPWR W/SHTDN8SOIC |
| 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
LTC1481
1481fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOD1
Differential Driver Output Voltage (Unloaded)
IO = 0
q
5V
VOD2
Differential Driver Output Voltage (with Load)
R = 50
(RS422)
q
2.0
V
R = 27
(RS485), Figure 1
q
1.5
5
V
VOD
Change in Magnitude of Driver Differential Output
R = 27
or R = 50, Figure 1
q
0.2
V
Voltage for Complementary Output States
VOC
Driver Common Mode Output Voltage
R = 27
or R = 50, Figure 1
q
3V
VOC
Change in Magnitude of Driver Common Mode
R = 27
or R = 50, Figure 1
q
0.2
V
Output Voltage for Complementary Output States
VIH
Input High Voltage
DE, DI, RE
q
2V
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 = 0V or 5.25V, VIN = 12V
q
1.0
mA
DE = 0, VCC = 0V or 5.25V, VIN = – 7V
q
– 0.8
mA
VTH
Differential Input Threshold Voltage for Receiver
– 7V
≤ VCM ≤ 12V
q
– 0.2
0.2
V
VTH
Receiver Input Hysteresis
VCM = 0V
q
45
mV
VOH
Receiver Output High Voltage
IO = – 4mA, VID = 200mV
q
3.5
V
VOL
Receiver Output Low Voltage
IO = 4mA, VID = – 200mV
q
0.4
V
IOZR
Three-State (High Impedance) Output
VCC = Max, 0.4V ≤ VO ≤ 2.4V
q
±1
A
Current at Receiver
RIN
Receiver Input Resistance
– 7V
≤ VCM ≤ 12V
q
12
k
ICC
Supply Current
No Load, Output Enabled
q
300
500
A
No Load, Output Disabled
q
80
120
A
ISHDN
Supply Current in Shutdown Mode
DE = 0, RE = VCC
110
A
IOSD1
Driver Short-Circuit Current, VOUT = HIGH
– 7V
≤ VO ≤ 12V
q
35
250
mA
IOSD2
Driver Short-Circuit Current, VOUT = LOW
– 7V
≤ VO ≤ 12V
q
35
250
mA
IOSR
Receiver Short-Circuit Current
0V
≤ VO ≤ VCC
q
785
mA
ORDER PART
NUMBER
LTC1481CN8
LTC1481IN8
LTC1481CS8
LTC1481IS8
(Note 1)
Supply Voltage (VCC) .............................................. 12V
Control Input Voltage ..................... – 0.5V to VCC + 0.5V
Driver Input Voltage ....................... – 0.5V to VCC + 0.5V
Driver Output Voltage ...........................................
±14V
Receiver Input Voltage ..........................................
±14V
Receiver Output Voltage ................ – 0.5V to VCC + 0.5V
Operating Temperature Range
LTC1481C ....................................... 0
°C ≤ TA ≤ 70°C
LTC1481I .................................... – 40
°C ≤ TA ≤ 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
TJMAX = 125°C, θJA = 130°C/ W (N8)
TJMAX = 125°C, θJA = 150°C/ W (S8)
S8 PART MARKING
1481
1481I
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3) unless otherwise noted.
1
2
3
4
8
7
6
5
TOP VIEW
VCC
B
A
GND
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
R
D
RO
RE
DE
DI
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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| LTC1481IN8 | 功能描述:IC TXRX RS485 LOWPWR W/SHTDN8DIP 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 |
| LTC1481IN8#PBF | 功能描述:IC TXRX RS485 LOWPWR W/SHTDN8DIP 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 |
| LTC1481IS8 | 功能描述:IC TXRX RS485 LOPWR W/SHTDN8SOIC 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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| LTC1481IS8#TR | 功能描述:IC TXRX RS485 SHTDN ULT LP 8SOIC 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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