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参数资料
| 型号： | LTC490CS8#TR |
| 厂商： | Linear Technology |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 LOW POWER 8-SOIC |
| 标准包装： | 2,500 |
| 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： | 带卷 (TR) |
| 其它名称： | LTC490CS8TR |
LTC490
2
490fb
(Note 1)
Supply Voltage (VCC) ............................................... 12V
Driver Input Currents ........................... – 25mA to 25mA
Driver Input Voltages ...................... –0.5V to VCC + 0.5V
Driver Output Voltages ..........................................
±14V
Receiver Input Voltages .........................................
±14V
Receiver Output Voltages ............... –0.5V to VCC + 0.5V
Operating Temperature Range
LTC490C ................................................ 0
°C to 70°C
LTC490I ............................................. – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
TJMAX = 125°C, θJA = 100°C/ W (N8)
TJMAX = 150°C, θJA = 150°C/ W (S8)
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
TOP VIEW
VCC
R
D
GND
A
B
Z
Y
R
D
ORDER PART
NUMBER
S8 PART MARKING
LTC490CN8
LTC490CS8
LTC490IN8
LTC490IS8
490
490I
The q denotes the specificatiions which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5%
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
2V
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 (D)
q
2.0
V
VIL
Input Low Voltage (D)
q
0.8
V
lIN1
Input Current (D)
q
±2
A
lIN2
Input Current (A, B)
VCC = 0V or 5.25V
VIN = 12V
q
1mA
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
70
mV
VOH
Receiver Output High Voltage
IO = –4mA, VID = 0.2V
q
3.5
V
VOL
Receiver Output Low Voltage
IO = 4mA, VID = – 0.2V
q
0.4
V
IOZR
Three-State Output Current at Receiver
VCC = Max 0.4V ≤ VO ≤ 2.4V
q
±1
A
ICC
Supply Current
No Load; D = GND or VCC
q
300
500
A
RIN
Receiver Input Resistance
– 7V
≤VO ≤12V
q
12
k
IOSD1
Driver Short-Circuit Current, VOUT = High
VO = – 7V
q
100
250
mA
IOSD2
Driver Short-Circuit Current, VOUT = Low
VO = 12V
q
100
250
mA
IOSR
Receiver Short-Circuit Current
0V
≤VO ≤VCC
q
785
mA
IOZ
Driver Three-State Output Current
VO = – 7V to 12V
q
±2
±200
A
ABSOLUTE
AXI U
RATI GS
W
WW
U
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER I FOR ATIO
UU
W
DC ELECTRICAL CHARACTERISTICS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC490IN8 | 功能描述:IC TXRX RS485 LOW POWER 8-DIP 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:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LTC490IN8#PBF | 功能描述:IC TXRX RS485 LOW POWER 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:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LTC490IN8PBF | 制造商:Linear Technology 功能描述:RS-485/RS-422 Driver/Receiver PDIP8 |
| LTC490IS8 | 功能描述:IC TXRX RS485 LOWPWR DIFF 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:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LTC490IS8#PBF | 功能描述:IC TXRX RS485 LOWPWR DIFF 8-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:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 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-SSOP（0.209"，5.30mm 宽） 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2 |
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