Datasheet

LTM2882
6
2882fe
For more information www.linear.com/LTM2882
Typical perForMance characTerisTics
V
CC
Supply Current vs Load
Capacitance (Dual Transceiver)
V
CC
Supply Current vs Data Rate
(Dual Transceiver)
Driver Short-Circuit Current
vs Temperature
Receiver Input Threshold
vs Temperature
V
CC
Supply Current
vs Temperature
V
CC
Supply Current
vs Temperature
T
A
= 25°C, LTM2882-3 V
CC
= 3.3V, LTM2882-5
V
CC
= 5V, V
L
= 3.3V, and GND = GND2 = 0V, ON = V
L
unless otherwise noted.
TEMPERATURE (°C)
–50
V
CC
CURRENT (mA)
30
25
15
20
10
500 100
2882 G01
25–25 75
NO LOAD
V
CC
= 3.3V
LTM2882-3
V
CC
= 5.0V
LTM2882-5
TEMPERATURE (°C)
–50
V
CC
CURRENT (mA)
70
60
40
35
45
55
65
50
30
500 100
2882 G02
25–25 75
T1OUT AND T2OUT
BAUD = 100kbps
R
L
= 3k, C
L
= 2.5nF
V
CC
= 3.3V
LTM2882-3
V
CC
= 5.0V
LTM2882-5
LOAD CAPACITANCE (nF)
0
V
CC
CURRENT (mA)
100
250kbps, LTM2882-3
100kbps, LTM2882-3
19.2kbps, LTM2882-3
19.2kbps, LTM2882-5
250kbps, LTM2882-5
100kbps, LTM2882-5
80
40
50
30
70
90
60
20
1 2
2882 G03
2.50.5 1.5
DATA RATE (kbps)
0
V
CC
CURRENT (mA)
140
100
40
80
120
60
20
400 800
2882 G04
1000200 600
5.0V C
L
= 1nF
5.0V C
L
= 250pF
3.3V C
L
= 1nF
3.3V C
L
= 250pF
TEMPERATURE (°C)
–50
THRESHOLD VOLTAGE (V)
3.0
2.0
0.5
1.5
2.5
1.0
0
500 100
2882 G05
INPUT LOW
25–25 75
INPUT HIGH
LOAD CAPACITANCE (nF)
0
SLEW RATE (V/µs)
70
50
10
20
40
60
30
0
42
2882 G06
531
FALLING
RISING
TEMPERATURE (°C)
–50
SHORT-CIRCUIT CURRENT (mA)
50
40
25
20
15
35
45
30
10
0 50 75 100
2882 G07
–25 25
SOURCING
SINKING
Driver Slew Rate
vs Load Capacitance
Receiver Output Voltage
vs Load Current
LOAD CURRENT(mA)
0
OUTPUT VOLTAGE (V)
6
1
2
4
5
3
0
84
2882 G09
1062
V
L
= 5.5V
V
L
= 3.3V
V
L
= 1.62V
Driver Disabled Leakage Current
vs Temperature at ±15V
TEMPERATURE (°C)
–50
LEAKAGE CURRENT (nA)
1000
10
0.01
1
100
0.1
0.001
0 50 75 100
2882 G08
–25 25
V
TOUT
= ±15V