參數(shù)資料
型號(hào)： LTC1685CS8
廠商： LINEAR TECHNOLOGY CORP
元件分類： 通用總線功能
英文描述： 52Mbps, Precision Delay, RS485 Fail-Safe Transceiver
中文描述： LINE TRANSCEIVER, PDSO8
封裝： 0.150 INCH, PLASTIC, SOP-8
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 269K
代理商： LTC1685CS8
2
LTC1685
U
PACKAGE/ORDER U
A
(Note 1)
Supply Voltage (V
DD
).............................................. 10V
Control Input Currents.................... –100mA to 100mA
Control Input Voltages.................. –0.5V to V
DD
+ 0.5V
Driver Input Voltages.................... –0.5V to V
DD
+ 0.5V
Driver Output Voltages .................................. +12V/–7V
Receiver Input Voltages................................. +12V/–7V
Receiver Output Voltages ............. –0.5V to V
DD
+ 0.5V
Receiver Input Differential ...................................... 10V
Short-Circuit Duration (Driver V
OUT
: –7V to 10V,
Receiver V
OUT
: 0V to V
DD
) ...............................Indefinite
Operating Temperature Range.................... 0
°
C to 70
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
ORDER PART
NUMBER
1
2
3
4
8
7
6
5
TOP VIEW
V
DD
B
A
GND
S8 PACKAGE
8-LEAD PLASTIC SO
RO
RE
DE
DI
R
D
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W
Consult factory for Industrial and Military grade parts.
S8 PART MARKING
DC ELECTRICAL CHARACTERISTICS
V
DD
= 5V
±
5%, unless otherwise noted. (Notes 2, 3)
SYMBOL
V
OD1
V
OD2
PARAMETER
Differential Driver Output (Unloaded)
Differential Driver Output (With Load)
CONDITIONS
I
OUT
= 0
R = 50
(RS422)
R = 27
(RS485), Figure 1
R = 27
or 50
, Figure 1
MIN
TYP
MAX
V
DD
UNITS
G
V
V
V
V
2
G
1.5
V
DD
0.2
V
OD
Change in Magnitude of Driver Differential
Output Voltage for Complementary
Output States
Driver Common Mode Output Voltage
Change in Magnitude of Driver Common
Mode Output Voltage for Complementary
Output States
Input High Voltage
Input Low Voltage
Input Current
Input Current (A, B)
G
V
OC
V
OC
R = 27
or 50
, V
DD
= 5V, Figure 1
R = 27
or 50
, Figure 1
G
2
3
V
V
G
0.2
V
IH
V
IL
I
IN1
I
IN2
DE, DI, RE
DE, DI, RE
DE, DI, RE
V
A
, V
B
= 12V, DE = 0, V
DD
= 0V or 5.25V
V
A
, V
B
= –7V, DE = 0, V
DD
= 0V or 5.25V
–7V
≤
V
CM
≤
12V
G
2
V
V
G
0.8
1
500
G
–1
μ
A
μ
A
μ
A
V
G
G
–500
–0.3
V
TH
Differential Input Threshold Voltage
for Receiver
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Three-State (High Impedance) Output
Current at Receiver
Supply Current
Driver Short-Circuit Current, V
OUT
= HIGH
Driver Short-Circuit Current, V
OUT
= LOW
Receiver Short-Circuit Current
G
0.3
V
TH
V
OH
V
OL
I
OZR
V
CM
= 0V
I
OUT
= –4mA, V
ID
= 300mV
I
OUT
= 4mA, V
ID
= –300mV
0.4V
≤
V
OUT
≤
2.4V
25
4.8
mV
G
3.5
V
V
G
0.4
1
G
–1
μ
A
I
DD
I
OSD1
I
OSD2
I
OSR
No Load, Pins 2, 3, 4 = 0V or V
DD
V
OUT
= –7V or 10V (Note 5)
V
OUT
= –7V or 10V (Note 5)
V
OUT
= 0V or V
DD
(Note 5)
G
7
12
20
20
20
mA
mA
mA
mA
G
G
G
LTC1685CS8
1685
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