Datasheet
5
LTC1482
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Receiver Input Offset Voltage vs
Temperature
Receiver Hysteresis vs
Temperature
Receiver Input Threshold Voltage
vs Supply Voltage
Carrier Detect Output Voltage vs
Receiver Input Voltage
Carrier Detect Threshold Voltage
(Output High) vs Temperature
Carrier Detect Threshold Voltage
(Output Low) vs Temperature
Receiver Output High Voltage vs
Temperature
Carrier Detect Output High
Voltage vs Output Current
Receiver and Carrier Detect
Output Low Voltage vs Output
Current
TEMPERATURE (°C)
–55 –35 –15 5 25 45 65 85 105 125
RECEIVER INPUT OFFSET VOLTAGE (mV)
1482 G04
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
V
CC
= 5V
V
CM
= –7V
V
CM
= 12V
V
CM
= 0V
TEMPERATURE (°C)
–55 –35 –15 5 25 45 65 85 105 125
HYSTERESIS (mV)
1482 G05
100
90
80
70
60
50
40
30
20
10
0
V
CC
= 5V
V
CM
= –7V TO 12V
SUPPLY VOLTAGE (V)
4.5
4.75 5 5.25 5.5
RECEIVER INPUT THRESHOLD VOLTAGE (V)
1482 G06
0
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
–0.16
–0.18
–0.20
T
A
= 25°C
V
THRO(HIGH)
V
THRO(LOW)
RECEIVER INPUT VOLTAGE (V)
–0.25
–0.15 –0.05 0.05 0.15 0.25
CARRIER DETECT OUTPUT VOLTAGE (V)
1482 G07
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
POSITIVE
V
THCD(LOW)
NEGATIVE
V
THCD(LOW)
NEGATIVE, V
THCD(HIGH)
POSITIVE, V
THCD(HIGH)
TEMPERATURE (°C)
CARRIER DETECT THRESHOLD VOLTAGE (V)
1482 G08
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
V
CC
= 5V
POSITIVE
V
THCD(HIGH)
NEGATIVE
V
THCD(HIGH)
–55 –35 –15 5 25 45 65 85 105 125
V
CM
= 12V
V
CM
= –7V
V
CM
= 0V
V
CM
= 12V
V
CM
= –7V
V
CM
= 0V
TEMPERATURE (°C)
CARRIER DETECT THRESHOLD VOLTAGE (V)
1482 G09
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
V
CC
= 5V
POSITIVE
V
THCD(LOW)
NEGATIVE
V
THCD(LOW)
–55 –35 –15 5 25 45 65 85 105 125
V
CM
= 12V
V
CM
= –7V
V
CM
= 12V
V
CM
= –7V
V
CM
= 0V
V
CM
= 0V
TEMPERATURE (°C)
–55 –35 –15 5 25 45 65 85 105 125
RECEIVER OUTPUT HIGH VOLTAGE (V)
1482 G10
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
V
CC
= 4.75V
I
OUT
= –8mA
OUTPUT CURRENT (µA)
–35 –30 –25 –20 –15 –10 –5 0
CARRIER DETECT OUTPUT HIGH VOLTAGE (V)
1482 G11
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
CC
= 4.75V
T
A
= 25°C
OUTPUT LOW VOLTAGE (V)
0
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
OUTPUT CURRENT (mA)
1482 G12
40
35
30
25
20
15
10
5
0
T
A
= 25°C
V
CC
= 4.75