LT1018_15 Datasheet, PDF (5/16 Pages) Linear Technology – Micropower Dual Comparator

TYPICAL PERFORMANCE CHARACTERISTICS
LT1017/LT1018
Input Bias Current
100
LT1018 V_CM = V^–
10
LT1018 V_CM = V⁺ – 1V
LT1017 V_CM = V^–
I_BIAS
REVERSES
POLARITY
LT1017 V_CM = V⁺ – 1V
1
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1017/18 G01
Input Bias Current with Inputs
Driven Below the Supply
100
10
1
125°C 85°C 25°C
0.1
0.01
0.2
V^– –0.2 –0.4 –0.6 –0.8 –1.0
COMMON MODE VOLTAGE (V)
1017/18 G04
Input Offset Current
3.0
2.5
2.0
1.5
1.0
0.5
0
–50 –25
LT1018
LT1017
0 25 50 75
TEMPERATURE (°C)
100 125
1017/18 G02
V^{+ Common Mode Limits}
–0.4
–0.6
V_CM HIGH
–0.8
–1.0
V^–
V_CM LOW
–0.2
–0.4
–0.6
ΔV_OS = 0.5mV
VOLTAGES ARE REFERRED TO SUPPLIES
–0.8
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1017/18 G05
Bias Current vs Differential Input
20
LT1018 + I_B
LT1018 – I_B
15
10
LT1017 + I_B
5
LT1017 – I_B
0
–20 –0.2 –0.1 0
0.1 0.2 20
DIFFERENTIAL INPUT VOLTAGE (V)
1017/18 G03
Supply Current
160
V_SUPPLY = 20V
140
120
100
LT1018
OUTPUTS LOW
LT1018
OUTPUTS HIGH
80
60
40
20
0
–50 –25
LT1017
OUTPUTS LOW
LT1017
OUTPUTS HIGH
0 25 50 75 100 125 150
TEMPERATURE (°C)
1017/18 G06
Positive Supply Current
10000
NPN Output Saturation Voltage
1000
1000
LT1018
LT1017
100
10
0.1
1
10
100
OUTPUT SINK CURRENT (mA)
1017/18 G07
100
125°C
25°C
–55°C
10
0.001
0.01 0.1
1
10
100
SINK CURRENT (mA)
1017/18 G08
Output Sinking Current Limit
100 _{OUTPUT SHORTED TO V+}
80
LT1018
LT1017
60
40
20
0
1
10
100
TOTAL SUPPLY VOLTAGE (V)
1017/18 G09
10178ff
5