参数资料
| 型号： | LTC1482CMS8 |
| 厂商： | Linear Technology |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 LOWPWR 8-MSOP |
| 标准包装： | 50 |
| 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-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 产品目录页面： | 1354 (CN2011-ZH PDF) |
3
LTC1482
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.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VTHCD
Differential Input Threshold Voltage for CD = 1
– 7V
≤ VCM ≤ 12V, DE = 0
q
– 0.20
0.20
V
VTH
Receiver Input Hysteresis
VCM = 0V, DE = 0
±30
mV
VOH
CD Output High Voltage
IOUT = – 10A, (VA – VB) = 0V
q
3.4
V
RO Output High Voltage
IOUT = – 4mA, (VA – VB) = 200mV
q
3.5
V
VOL
RO and CD Output Low Voltage
IOUT = 4mA, (VA – VB) = – 200mV
q
0.4
V
IOZR
Three-State (High Impedance) Receiver Output
VCC = Max, 0.4V ≤ VOUT ≤ 2.4V
q
±1
A
Current in Shutdown
DI/SHDN = 0, DE = 0
RIN
Receiver Input Resistance
–7V
≤ VCM ≤ 12V
q
12
22
k
ICC
Supply Current
No Load, Driver Enabled (DE = VCC)
q
580
900
A
No Load, Driver Disabled (DE = 0)
q
430
700
A
ISHDN
Supply Current in Shutdown Mode
DE = 0, DI = 0
q
10
20
A
IOSD1
Driver Short-Circuit Current, VOUT = High (Note 4)
– 7V
≤ VOUT ≤ 10V
35
250
mA
IOSD2
Driver Short-Circuit Current, VOUT = Low (Note 4)
– 7V
≤ VOUT ≤ 10V
35
250
mA
IOS
RO and CD Short-Circuit Current
0V
≤ VOUT ≤ VCC
q
785
mA
IPULL-UP
CD Pull-Up Current
CD = 0V
q
15
30
60
A
SWITCHING CHARACTERISTICS
U
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
tPLH
Driver Input to Output
RDIFF = 54, CL1 = CL2 = 100pF
q
10
28
60
ns
tPHL
Driver Input to Output
(Figures 4, 6)
q
10
30
60
ns
tSKEW
Driver Output to Output
q
210
ns
tr, tf
Driver Rise or Fall Time
q
315
40
ns
tZH
Driver Enable to Output High
CL = 100pF (Figures 5, 7) S2 Closed
q
40
70
ns
tZL
Driver Enable to Output Low
CL = 100pF (Figures 5, 7) S1 Closed
q
40
100
ns
tLZ
Driver Disable Time from Low
CL = 15pF (Figures 5, 7) S1 Closed
q
40
70
ns
tHZ
Driver Disable Time from High
CL = 15pF (Figures 5, 7) S2 Closed
q
40
70
ns
tZH(SHDN)
Driver Enable from Shutdown to Output High
CL = 100pF (Figures 5, 7) S2 Closed
q
40
100
ns
(Note 5)
tZL(SHDN)
Driver Enable from Shutdown to Output Low
CL = 100pF (Figures 5, 7) S1 Closed
q
40
100
ns
tHZ(SHDN)
Driver Disable on Shutdown from Output High
CL = 15pF (Figures 5, 7) S2 Closed
q
40
100
ns
tLZ(SHDN)
Driver Disable on Shutdown from Output Low
CL = 15pF (Figures 5, 7) S1 Closed
q
40
100
ns
fMAX
Maximum Data Rate (Note 6)
q
4
5
Mbps
tPLH
Receiver Input to Output (Note 7)
RDIFF = 54, CL1 = CL2 = 100pF,
q
30
138
200
ns
(Figures 4, 8)
tPHL
Receiver Input to Output
RDIFF = 54, CL1 = CL2 = 100pF,
q
30
122
200
ns
(Figures 4, 8)
tSKD
|tPLH – tPHL| Differential Receiver Skew
RDIFF = 54, CL1 = CL2 = 100pF,
16
ns
(Figures 4, 8)
tCDH
Receiver Input to CD Output High (Note 7)
RDIFF = 54, CL1 = CL2 = 100pF,
q
2900
5000
ns
(Figures 4, 10) DI/SHDN = VCC
tCDL
Receiver Input to CD Output Low (Note 7)
RDIFF = 54, CL1 = CL2 = 100pF,
q
150
300
ns
(Figures 4, 10) DI/SHDN = VCC
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| LTC1482CMS8#PBF | 功能描述:IC TXRX RS485 LOWPWR 8-MSOP 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:1 系列:- 类型:线路收发器 驱动器/接收器数:5/3 规程:RS232 电源电压:3 V ~ 5.5 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:Digi-Reel® 产品目录页面:918 (CN2011-ZH PDF) 其它名称:296-25096-6 |
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