参数资料
型号: LTC1484CS8#PBF
厂商: Linear Technology
文件页数: 12/16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)
5
LTC1484
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
INPUT
OFFSET
VOLTAGE
(mV)
1484 G04
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
VCC = 5V
VCM = –7V
VCM = 12V
VCM = 0V
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
HYSTERESIS
(mV)
1484 G05
100
90
80
70
60
50
40
30
20
10
0
VCC = 5V
VTH(HIGH) – VTH(LOW)
VCM = –7V TO 12V
SUPPLY VOLTAGE (V)
4.5
4.75
5
5.25
RECEIVER
INPUT
THRESHOLD
VOLTAGE
(V)
1484 G06
0
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
–0.16
–0.18
–0.20
TA = 25°C
VCM = 0V
VTH(HIGH)
VTH(LOW)
Receiver Input Offset Voltage vs
Temperature
Receiver Hysteresis vs
Temperature
Receiver Input Threshold Voltage
vs Supply Voltage
Receiver Output High Voltage vs
Output Current
Receiver Output Low Voltage vs
Output Current
Receiver Output High Voltage vs
Temperature
OUTPUT CURRENT (mA)
–25
–20
–15
–10
–5
0
RECEIVER
OUTPUT
HIGH
VOLTAGE
(V)
1484 G07
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
VCC = 4.75V
OUTPUT CURRENT (mA)
0
5
10
15
20
25
RECEIVER
OUTPUT
LOW
VOLTAGE
(V)
1484 G08
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
VCC = 4.75V
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
OUTPUT
HIGH
VOLTAGE
(V)
1484 G09
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
VCC = 4.75V
IOUT = –8mA
Receiver Output Low Voltage vs
Temperature
Input Current (A, B) vs
Temperature
Receiver Input Resistance vs
Temperature
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
OUTPUT
LOW
VOLTAGE
(V)
1484 G10
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
VCC = 4.75V
IOUT = 8mA
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
INPUT
CURRENT
(
A)
1484 G11
600
500
400
300
200
100
0
–100
–200
–300
–400
VCC = 0V OR 5V
VCM = 12V
VCM = –7V
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
INPUT
RESISTANCE
(k
)
1484 G12
26.0
25.5
25.0
24.5
24.0
23.5
23.0
22.5
22.0
VCC = 0V OR 5V
VCM = 12V
VCM = –7V
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