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参数资料
型号： ADM3491ARZ
厂商： ANALOG DEVICES INC
元件分类： 通用总线功能
英文描述： 3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers
中文描述： LINE TRANSCEIVER, PDSO14
封装： LEAD FREE, MS-012AB, SOIC-14
文件页数： 4/20页
文件大小： 315K
代理商： ADM3491ARZ
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
SPECIFICATIONS
V
CC
= 3.3 V ± 0.3 V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Rev. B | Page 4 of 20
Table 2.
Parameter
DRIVER
Differential Output Voltage (V
OD
)
Δ |V
OD
| for Complementary Output States
1
Common-Mode Output Voltage (V
OC
)
Δ |V
OC
| for Common-Mode Output Voltage
1
DRIVER INPUT LOGIC
CMOS Input Logic Threshold Low (V
IH
)
CMOS Input Logic Threshold High (V
IL
)
CMOS Logic Input Current (I
IN1
)
Input Current—A, B (I
IN2
)
Min
2.0
1.5
1.5
2.0
Typ
0.1
Max
0.2
3
0.2
0.8
±2
1.0
0.8
Unit
V
V
V
V
V
V
V
V
μA
mA
mA
μA
Test Conditions/Comments
R
L
= 100 Ω (RS-422), V
CC
= 3.3 V ± 5% (see Figure 7)
R
L
= 54 Ω (RS-485) (see Figure 7)
R
L
= 60 Ω (RS-485), V
CC
= 3.3 V (see Figure 8)
R
L
= 54 Ω or 100 Ω (see Figure 7)
R
L
= 54 Ω or 100 Ω (see Figure 7)
R
L
= 54 Ω or 100 Ω (see Figure 7)
DE, DI, RE
DE, DI, RE
DE, DI, RE
V
IN
= 12 V, DE = 0 V, V
CC
= 0 V or 3.6 V
V
IN
= 7 V, DE = 0 V, V
CC
= 0 V or 3.6 V
V
IN
= 12 V, DE = 0 V, RE = 0 V, V
CC
= 0 V or 3.6 V,
ADM3491 only
V
IN
= 7 V, DE = 0 V, RE = 0 V, V
CC
= 0 V or 3.6 V,
ADM3491 only
V
IN
= 12 V, DE = 0 V, RE = V
CC
, V
CC
= 0 V or 3.6 V,
ADM3491 only
V
IN
= 7 V, DE = 0 V, RE = V
CC
, V
CC
= 0 V or 3.6 V,
ADM3491 only
7 V < V
CM
< +12 V
V
CM
= 0 V
I
OUT
= 1.5 mA, V
ID
= 200 mV (see Figure 9)
I
OUT
= 2.5 mA, V
ID
= 200 mV (see Figure 9)
V
CC
= 3.6 V, 0 V ≤ V
OUT
≤ V
CC
7 V < V
CM
< +12 V
DE = V
CC
, RE = 0 V or V
CC
,
no load, DI = 0 V or V
CC
DE = 0 V, RE = 0 V, no load, DI = 0 V or V
CC
DE = 0 V, RE = V
CC
, DI = V
CC
or 0 V
V
OUT
= 7 V
V
OUT
= 12 V
0 V < V
RO
< V
CC
Output Leakage—Y, Z (I
O
)
0.1
μA
0.01
μA
Output Leakage (Y, Z) in Shutdown Mode (I
O
)
0.01
μA
RECEIVER
Differential Input Threshold Voltage (V
TH
)
Input Hysteresis (Δ V
TH
)
CMOS Output Voltage High (V
OH
)
CMOS Output Voltage Low (V
OL
)
Three-State Output Leakage Current (I
OZR
)
Input Resistance (R
IN
)
POWER SUPPLY CURRENT
Supply Current (I
CC
)
0.2
V
CC
– 0.4
12
±8
50
1.1
0.95
0.002
+0.2
0.4
±1
2.2
1.9
1
250
250
±60
V
mV
V
V
μA
kΩ
mA
mA
μA
mA
mA
mA
Supply Current in Shutdown Mode (I
SHDN
)
Driver Short-Circuit Output Current (I
OSD
)
Receiver Short-Circuit Output Current (I
OSR
)
1
Δ
V
OD
and
Δ
V
OC
are the changes in V
OD
and V
OC
, respectively, when DI input changes state.
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相关代理商/技术参数
参数描述
ADM3491ARZ-1 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
ADM3491ARZ-REEL 功能描述:IC TXRX RS-485 HS FD 3.3 14SOIC 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
ADM3491ARZ-REEL7 功能描述:IC TXRX RS-485 HS FD 3.3 14SOIC 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
ADM3491E 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
ADM3491EARZ 功能描述:IC TXRX RS-485 3.3V FD 14-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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