参数资料
型号: ADM3491AR
厂商: Analog Devices Inc
文件页数: 20/20页
文件大小: 0K
描述: IC TX/RX RS-485 HS 3.3V 14SOIC
标准包装: 56
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: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOICN
包装: 管件
Data Sheet
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. E | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
30
0
03
05
52
4-
0
12
OUTPUT VOLTAGE (V)
O
U
T
P
U
T
CUR
RE
NT
(
m
A)
.5
25
20
15
10
5
0.51.0
1.52.02.53.0
Figure 7. Output Current vs. Receiver Output Low Voltage
–16
0
03
05
52
4-
0
13
OUTPUT VOLTAGE (V)
O
U
T
P
U
T
CUR
RE
NT
(
m
A)
.5
–14
–12
–10
–8
–6
–4
–2
0.51.0
1.52.02.53.0
Figure 8. Output Current vs. Receiver Output High Voltage
3.30
3.00
–40
05
52
4-
0
14
TEMPERATURE (°C)
O
UT
P
UT
V
O
L
TAG
E
(
V
)
3.25
3.20
3.15
3.10
3.05
–30 –20 –10
0
10
20
30
40
50
60
70
80
Figure 9. Receiver Output High Voltage vs. Temperature, IRO = 1.5 mA
0.8
0
–40
05
52
4-
0
15
TEMPERATURE (°C)
O
UT
P
UT
V
O
L
TAG
E
(
V
)
–30 –20 –10
0
10
20
30
40
50
60
70
80
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Figure 10. Receiver Output Low Voltage vs. Temperature, IRO = 2.5 mA
100
0
03
05
52
4-
0
16
OUTPUT VOLTAGE (V)
O
U
T
P
U
T
CUR
RE
NT
(
m
A)
.5
90
80
70
60
50
40
30
20
10
0.51.0
1.52.02.53.0
Figure 11. Driver Output Current vs. Differential Output Voltage
2.6
1.6
–40
05
52
4-
0
17
TEMPERATURE (°C)
O
UT
P
UT
V
O
L
TAG
E
(
V
)
–30 –20 –10
0
10
20
30
40
50
60
70
80
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
Figure 12. Driver Differential Output Voltage vs. Temperature, RL = 54 Ω
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