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参数资料
| 型号： | ADM3488EARZ |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 通用总线功能 |
| 英文描述： | 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| 中文描述： | LINE TRANSCEIVER, PDSO8 |
| 封装： | LEAD FREE, MS-012-A, SOIC-8 |
| 文件页数： | 9/20页 |
| 文件大小： | 503K |
| 代理商： | ADM3488EARZ |
ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
Rev. A | Page 9 of 20
V
OC
R
L
/2
R
L
/2
Z
Y
V
OD
0
Figure 7. Driver Differential Output Voltage and
Common-Mode Output Voltage
R
L
375
375
V
OD
V
=
–7V TO +12V
D
V
CC
0
Figure 8. Driver Differential Output Voltage with
Varying Common-Mode Voltage
V
OH
I
OH
(–)
V
ID
R
0
I
OL
(+)
V
OL
0
Figure 9. Receiver Output Voltage High and Output Voltage Low
IN
OUT
+1.5V
+1.5V
+3V
0V
≈
+2V
≈
–2V
t
DD
t
DD
t
TD
t
TD
50%
10%
50%
10%
90%
90%
D
GENERATOR
1
V
CC
50
C
L
R
L
=
60
C
L
= 15pF
2
OUT
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
0
Figure 10. Driver Differential Output Delay and Transition Times
3V
0V
V
OH
V
OL
V
OH
V
OL
V
OM
V
OM
V
OM
V
OM
IN
Y
OUT
Z
OUT
1.5V
1.5V
t
PLH
t
PHL
t
PHL
t
PLH
D
V
OM
R
L
= 27
OUT
C
L
= 15pF
2
GENERATOR
1
V
CC
50
S1
V
OM
=
V
OH
+ V
OL
2
≈
1.5V
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
0
Figure 11. Driver Propagation Delays
D
OUT
C
L
= 50pF
2
GENERATOR
1
50
S1
V
OM
=
V
OH
+ V
OL
2
≈
1.5V
R
L
= 110
0V OR 3V
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
0V
V
OH
0V
3V
1.5V
1.5V
0.25V
IN
OUT
V
OM
t
PZH
t
PHZ
0
Figure 12. Driver Enable and Disable Times (t
PZH
, t
PSH
, t
PHZ
)
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| ADM3488EARZ-REEL7 | 功能描述:IC TXRX ESD RS-485 3.3V 8-SOIC 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 |
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| ADM3490ARZ-REEL7 | 功能描述:IC TXRX RS485/422 HS 3.3V 8-SOIC 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 |
| ADM3490E | 制造商:AD 制造商全称:Analog Devices 功能描述:3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
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