LT1011 Datasheet, PDF (4/16 Pages) Linear Technology – Voltage Comparator

LT1011/LT1011A
TYPICAL PERFOR A CE CHARACTERISTICS
Input Bias Current
45
I_B FLOWS OUT
40 OF INPUTS
35
30
25
20
15
10
5
0
– 50 – 25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1011 G01
Input Characteristics*
5
*EITHER INPUT.
0 REMAINING INPUT GROUNDED.
CURRENT FLOWS OUT OF INPUT.
– 5 _{VS = ± 15V}
–10
–15
– 20
– 25
– 30
– 35
– 40
– 20 –15 –10 – 5 0 5 10
INPUT VOLTAGE (V)
15 20
1011 G04
Input Offset Current
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
– 50 – 25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1011 G01
Common Mode Limits
V⁺
– 0.5
–1.0
POSITIVE LIMIT
–1.5
– 2.0
REFERRED TO SUPPLIES
0.4
0.3
0.2
NEGATIVE LIMIT
0.1
V^–
– 50 – 25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1011 G05
Response Time—Collector Output
6
V_S = ±15V
5
4
OVERDRIVE
20mV
3
5mV
15V
5V
2
2mV
V_IN –
500Ω
1
0
+
–15V
100mV
0
INPUT = 100mV STEP
0 50 100 150 200 250 300 350 400 450
TIME (ns)
1011 G07
Response Time—Collector Output
6
V_S = ±15V
5
4
OVERDRIVE
3
20mV
2
5mV
2mV
1
15V
5V
V_IN –
500Ω
+
–15V
0
100mV
0
INPUT = 100mV STEP
0 50 100 150 200 250 300 350 400 450
TIME (ns)
1011 G08
Worst-Case Offset Error
100
LM311
(FOR COMPARISON)
10
LT1011M
LT1011C
1
LT1011AM
LT1011AC
0.1
1k
10k
100k
SOURCE RESISTANCE (Ω)
1M
1011 G03
Transfer Function (Gain)
50
T_A = 25°C
40
COLLECTOR
OUTPUT
R_L = 1k
30
20
10
EMITTER
OUTPUT
R_L = 600Ω
0
– 0.5 – 0.3 – 0.1 0.1 0.3 0.5
DIFFERENTIAL INPUT VOLTAGE (mV)
1011 G06
Collector Output Saturation
Voltage
1.0
PIN 1 GROUNDED
0.9
0.8
T_A = 125°C
0.7
T_A = 25°C
0.6
0.5
0.4
T_A = – 55°C
0.3
0.2
0.1
0
0 5 10 15 20 25 30 35 40 45 50
SINK CURRENT (mA)
1011 G09
4