參數(shù)資料
型號(hào)： ADM3485EAR
廠商： ANALOG DEVICES INC
元件分類： 通用總線功能
英文描述： ESD Protected, EMC Compliant, 3.3 V, 20 Mbps, EIA RS-485 Transceiver
中文描述： LINE TRANSCEIVER, PDSO8
封裝： MS-012AA, SOIC-8
文件頁(yè)數(shù)： 2/11頁(yè)
文件大?。?/td> 119K
代理商： ADM3485EAR
–2–
REV. A
ADM3485E–SPECIFICATIONS
(V
CC
= +3.3 V
0.3 V. All specifications T
MIN
to T
MAX
unless otherwise noted.)
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
DRIVER
Differential Output Voltage, V
OD
2.0
1.5
1.5
V
V
V
V
V
V
V
V
μ
A
mA
R
L
= 100
, Figure 1, V
CC
> 3.1 V
R
L
= 54
, Figure 1
R
L
= 60
, Figure 2, –7 V < V
TST
< +12 V
R = 54
or 100
, Figure 1
R = 54
or 100
, Figure 1
R = 54
or 100
, Figure 1
|V
OD
| for Complementary Output States
Common-Mode Output Voltage V
OC
|V
OC
| for Complementary Output States
CMOS Input Logic Threshold Low, V
INL
CMOS Input Logic Threshold High, V
INH
Logic Input Current (DE, DI,
RE
)
Output Short Circuit Current
0.2
3
0.2
0.8
2.0
±
1.0
±
250
V
O
= –7 V or +12 V
RECEIVER
Differential Input Threshold Voltage, V
TH
Input Voltage Hysteresis,
V
TH
Input Resistance
Input Current (A, B)
–0.2
+0.2
V
mV
k
mA
mA
μ
A
V
V
mA
μ
A
–7 V < V
CM
< +12 V
V
CM
= 0 V
–7 V < V
CM
< +12 V
V
IN
= +12 V
V
IN
= –7 V
50
19
12
+1
–0.8
±
1
0.4
Logic Enable Input Current (
RE
)
Output Voltage Low, V
OL
Output Voltage High, V
OH
Short Circuit Output Current
Three-State Output Leakage Current
I
OUT
= +2.5 mA
I
OUT
= –1.5 mA
V
OUT
= GND or V
CC
V
CC
= 3.6 V, 0 V < V
OUT
< V
CC
V
CC
– 0.4 V
±
60
±
1.0
POWER SUPPLY CURRENT
I
CC
Outputs Unloaded,
DE = V
CC
,
RE
= 0 V
DE = 0 V,
RE
= 0 V
DE = 0 V,
RE
= V
CC
1
1
0.002 1
1.2
1.2
mA
mA
μ
A
Supply Current in Shutdown
ESD/EFT IMMUNITY
ESD Protection
EFT Protection
±
8
±
2
kV
kV
IEC1000-4-2 A, B Pins Contact Discharge
IEC1000-4-4, A, B Pins
Specifications subject to change without notice.
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