LTC485CS8#TRPBF Linear Technology, LTC485CS8#TRPBF Datasheet - Page 3

• Manufacturer Part Number: LTC485CS8#TRPBF
• Description: IC TXRX INTRFC RS485 LOPWR 8SOIC
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC485CS8#TRPBF

• Number Of Drivers/receivers: 1/1
• Protocol: RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Interface Circuit Standard 1: RS-485
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Number Of Transceivers: 1
• Data Transmission Topology: Multipoint
• Receiver Signal Type: Differential
• Transmitter Signal Type: Differential
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Supply Current: 0.9mA
• Power Supply Requirement: Single
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SWITCHI G CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
I
I
I
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Note 1: Absolute maximum ratings are those beyond which the safety of
the device cannot be guaranteed.
Note 2: All currents into device pins are positive; all currents out ot device
pins are negative. All voltages are referenced to device ground unless
otherwise specified.
TYPICAL PERFOR A CE CHARACTERISTICS
CC
OSD1
OSD2
OSR
PLH
PHL
SKEW
r
ZH
ZL
LZ
HZ
PLH
PHL
SKD
ZL
ZH
LZ
HZ
, t
36
32
28
24
20
16
12
f
8
4
0
0
Receiver Output Low Voltage
vs Output Current
T
A
= 25°C
0.5
PARAMETER
Supply Current
Driver Short-Circuit Current, V
Driver Short-Circuit Current, V
Receiver Short-Circuit Current
Driver Input to Output
Driver Input to Output
Driver Output to Output
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
⏐
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable from Low
Receiver Disable from High
t
PLH
OUTPUT VOLTAGE (V)
U
– t
1.0
PHL
⏐
Differential Receiver Skew
1.5
W
LTC485 • TPC01
2.0
U
OUT
OUT
= HIGH
= LOW
–12
–10
–18
–16
–14
–8
– 6
–4
–2
0
5
A
Receiver Output High Voltage
vs Output Current
T
= 25°C.V
A
CONDITIONS
No Load, Pins 2,
3, 4 = 0V or 5V
V
V
0V ≤ V
R
(Figures 3 and 5)
C
C
C
C
R
(Figures 3 and 7)
C
C
C
C
= 25°C
O
O
L
L
L
L
RL
RL
RL
RL
DIFF
DIFF
= 100pF (Figures 4 and 6) S2 Closed
= 100pF (Figures 4 and 6) S1 Closed
= 15pF (Figures 4 and 6) S1 Closed
= 15pF (Figures 4 and 6) S2 Closed
= – 7V
= 10V
= 15pF (Figures 2 and 8) S1 Closed
= 15pF (Figures 2 and 8) S2 Closed
= 15pF (Figures 2 and 8) S1 Closed
= 15pF (Figures 2 and 8) S2 Closed
The
= 54Ω, C
= 54Ω, C
O
OUTPUT VOLTAGE (V)
CC
≤ V
4
●
= 5V ±5%, unless otherwise noted. (Notes 2 and 3)
CC
denotes the specifications which apply over the full operating
L1
L1
Note 3: All typicals are given for V
Note 4: The LTC485 is guaranteed by design to be functional over a supply
voltage range of 5V ±10%. Data sheet parameters are guaranteed over the
tested supply voltage range of 5V ±5%.
= C
= C
Outputs Enabled
Outputs Disabled
L2
L2
3
= 100pF,
= 100pF,
LTC485 • TPC02
2
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
4.8
4.4
4.2
4.0
3.8
3.4
4.6
3.6
3.2
3.0
–50
MIN
Receiver Output High Voltage
vs Temperature
35
35
10
10
30
30
CC
7
3
I = 8mA
= 5V and T
–25
0
TEMPERATURE (°C)
TYP
500
300
100
100
30
30
15
40
40
40
40
90
90
13
20
20
20
20
5
A
25
= 25°C.
50
LTC485
MAX
900
500
250
250
200
200
85
50
50
10
25
70
70
70
70
50
50
50
50
75
sn 485LTC485ffs
LTC485 • TPC03
100
UNITS
3
125
mA
mA
mA
µA
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns