LMH7220_14 Datasheet, PDF (10/34 Pages) Texas Instruments – LMH7220 High Speed Comparator with LVDS Output

LMH7220
SNOSAL3E – SEPTEMBER 2006 – REVISED MAY 2013
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TYPICAL PERFORMANCE CHARACTERISTICS
At T_J = 25°C; unless otherwise specified: V_CM = 0.3V, V_OVERDRIVE = 100 mV, R_L = 100Ω.
Input Current
vs.
Differential Input Voltage
10
5
I_IN-
I_IN+
0
-5
V_CM = 2.5V
-10
V_S = 5V
V_IN+ SWEEP = 1.6 to 3.4V
V_IN- SWEEP = 3.4V to 1.6V
-15
-2 -1.5 -1 -0.5 0 0.5 1 1.5 2
DIFFERENTIAL INPUT VOLTAGE (V)
Bias Current
vs.
Supply Voltage
0.0
V_CM = 300V
-0.5 ^{VIN_DIFF = 0}
I_BIAS = (I_IN+ + I_IN-)/2
-1.0
-1.5
-2.0
-2.5
-3.0
2 3 4 5 6 7 8 9 10 11 12 13
SUPPLY VOLTAGE (V)
Figure 4.
Figure 5.
Bias Current
vs.
Temperature
0.0
-1.0
V_S = 2.7V
-2.0
-3.0
V_S = 5V
-4.0
V_S = 12V
-5.0
-6.0 _{VCM = 300 mV}
-7.0 ^{VIN_DIFF = 0}
I_BIAS = (I_IN+ + I_IN-)/2
-8.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 6.
Output Offset Voltage
vs.
Supply Voltage
1.3
V_CM = 300 mV
V_{IN_DIFF} = 50 mV
1.28
1.26
1.24
85°C
125°C
1.22
1.2
2.5
-40°C
25°C
4.5 6.5 8.5 10.5 12.5
SUPPLY VOLTAGE (V)
Figure 7.
Output Offset Voltage
vs.
Temperature
1.3
V_CM = 300 mV
V_{IN_DIFF} = 50 mV
1.28
1.26
1.24
V_S = 5V
V_S = 12V
1.22
V_S = 2.7V
1.2
-40 -25 -10 -5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 8.
0.35
0.345
Differential Output Voltage
vs.
Supply Voltage
V_CM = 300 mV
V_{IN_DIFF} = 50 mV
0.34
0.335
0.33 ^25°C
125°C
-40°C
0.325
85°C
125°C
0.32
2.5 4.5 6.5 8.5 10.5 12.5
SUPPLY VOLTAGE (V)
Figure 9.
10
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