LT1011A_15 Datasheet, PDF (6/20 Pages) Linear Technology – Voltage Comparator

LT1011/LT1011A
Typical Performance Characteristics
Response Time Using GND Pin
as Output
15
10
5
0
–5
–10
–15
0
–50
–100
20mV
0
5mV 2mV
V⁺
–
V_IN
+
V^–
V_OUT
2k
1
2
TIME (µs)
V_S = ±15V
T_A = 25°C
3
4
1011 G10
Response Time Using GND Pin
as Output
15
10
5
0
–5
–10
–15
–100
–50
0
20mV
V⁺
–
V_IN
+
V^–
5mV 2mV
V_OUT
2k
V_S = ±15V
T_A = 25°C
0
1
2
3
4
TIME (µs)
1011 G11
Output Limiting Characteristics*
140
0.7
T_A = 25°C
120
0.6
POWER
100
DISSIPATION
0.5
80
0.4
60
SHORT-CIRCUIT 0.3
CURRENT
40
0.2
20
0.1
*MEASURED 3 MINUTES
AFTER SHORT
0
0
0
5
10
15
OUTPUT VOLTAGE (V)
1011 G12
Supply Current vs Supply Voltage
5
4
POSITIVE SUPPLY
COLLECTOR OUTPUT “LO”
3
2
POSITIVE AND NEGATIVE SUPPLY
COLLECTOR OUTPUT “HI”
1
0
0
5 10 15 20 25 30
SUPPLY VOLTAGE (V)
1011 G13
Output Saturation—
Ground Output
5 _{REFERRED TO V+}
+ ²⁺
8
V⁺
4
LT1011
7
3–
1 R_L
3
T_J = –55°C
4
V^–
V_OUT
2
T_J = 25°C
T_J = 125°C
1
0
0
10
20
30
40
50
OUTPUT CURRENT (mA)
1011 G16
6
Supply Current vs Temperature
6
5
4
POSITIVE SUPPLY
COLLECTOR OUTPUT “LO”
3
2
1 _{POSITIVE AND NEGATIVE SUPPLY}
COLLECTOR OUTPUT “HI”
0
–50 –25
0 25 50 75
TEMPERATURE (˚C)
100 125
1011 G14
Output Leakage Current
10^–7
V_S = ±15V
10^–8
V_OUT = 35V
10^–9
V_GND = –15V
10^–10
10^–11
25
45
65
85 105 125
TEMPERATURE (°C)
1011 G15
Output Saturation Voltage
0.6
I_SINK = 8mA
0.5
T_J = 125°C
0.4
0.3
T_J = 25°C
0.2
T_J = –55°C
0.1
0
0 1234 56 78
INPUT OVERDRIVE (mV)
1011 G17
Response Time vs Input Step Size
1000
800
600
V_S = ±15V
R_L = 500Ω TO 5V
OVERDRIVE = 5mV
INPUT ^{3 –}
5V
500Ω
7
2+
1
400
RISING INPUT
FALLING INPUT
200
0
0 1 2 3 4 5 6 7 8 9 10
INPUT STEP (V)
1011 G18
1011afe
For more information www.linear.com/LT1011