All voltages are relative to their respective grounds, 3.0 V ≤ V
參數(shù)資料
型號(hào)： ADM2484EBRWZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 10/16頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485 ISO W/ESD 16SOIC
標(biāo)準(zhǔn)包裝： 47
類型： 收發(fā)器，隔離式
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC W
包裝： 管件
產(chǎn)品目錄頁(yè)面： 790 (CN2011-ZH PDF)
配用： EVAL-ADM2484EEBZ-ND - BOARD EVAL FOR ADM2484
Data Sheet
ADM2484E
Rev. D | Page 3 of 16
SPECIFICATIONS
All voltages are relative to their respective grounds, 3.0 V ≤ VDD1 ≤ 5.5 V and 3.0 V ≤ VDD2 ≤ 3.6 V, all minimum/maximum specifications
apply over the entire recommended operation range, all typical specifications are at TA = 25°C, VDD1 = 5 V, andVDD2 = 3.3 V, unless
otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
SUPPLY CURRENT
Power Supply Current, Logic Side
TxD/RxD Data Rate = 500 kbps
IDD1
2.0
mA
Unloaded
2.0
mA
VDD2 = 3.6 V, half duplex configuration,
RTERMINATION = 120 , see Figure 20
Power Supply Current, Bus Side
TxD/RxD Data Rate = 500 kbps
IDD2
3.0
mA
Unloaded
40
mA
VDD2 = 3.6 V, half duplex configuration,
RTERMINATION = 120 , see Figure 20
DRIVER
Differential Outputs
Differential Output Voltage
|VOD|
2.0
3.6
V
Loaded, RL = 100 (RS-422), see
1.5
3.6
V
RL = 54 (RS-485), see Figure 14
1.5
3.6
V
7 V ≤ VTEST ≤ 12 V, see Figure 15
|VOD| for Complementary Output States
|VOD|
0.2
V
RL = 54 or 100 , see Figure 14
Common-Mode Output Voltage
VOC
3.0
V
RL = 54 or 100 , see Figure 14
|VOC| for Complementary Output States
|VOC|
0.2
V
RL = 54 or 100 , see Figure 14
Output Leakage Current (Y, Z Pins)
IO
+30
A
DE = 0 V, VDD2 = 0 V or 3.3 V, VIN = +12 V
30
A
DE = 0 V, VDD2 = 0 V or 3.3 V, VIN = 7 V
Short-Circuit Output Current
IOS
250
mA
Logic Inputs (DE, RE, TxD)
Input Threshold Low
VIL
0.25 × VDD1
V
Input Threshold High
VIH
0.7 × VDD1
V
Input Current
II
10
+0.01
+10
A
RECEIVER
Differential Inputs
Differential Input Threshold Voltage
VTH
200
125
30
mV
7 V < VCM < +12 V
Input Voltage Hysteresis
VHYS
15
mV
VOC = 0 V
Input Current (A, B)
II
+125
A
DE = 0 V, VDD = 0 V or 3.6 V, VIN = +12 V
100
A
DE = 0 V, VDD = 0 V or 3.6 V, VIN = 7 V
Line Input Resistance
RIN
96
k
7 V < VCM < +12 V
Tristate Leakage Current
IOZR
±1
A
VDD1 = 5 V, 0 V < VOUT < VDD1
Logic Outputs
Output Voltage Low
VOLRxD
0.2
0.4
V
IORxD = 1.5 mA, VA VB = 0.2 V
Output Voltage High
VOHRxD
VDD1 0.3
VDD1 0.2
V
IORxD = 1.5 mA, VA VB = +0.2 V
Short-Circuit Current
100
mA
COMMON-MODE TRANSIENT IMMUNITY1
25
kV/s
VCM = 1 kV, transient magnitude = 800 V
1
CM is the maximum common-mode voltage slew rate that can be sustained while maintaining specification-compliant operation. VCM is the common-mode potential
difference between the logic and bus sides. The transient magnitude is the range over which the common mode is slewed. The common-mode voltage slew rates
apply to both rising and falling common-mode voltage edges.
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