LMH7322_14 Datasheet, PDF (9/33 Pages) Texas Instruments – Dual 700 ps High Speed Comparator with RSPECL Outputs

LMH7322
www.ti.com
SNOSAU8H – MARCH 2007 – REVISED MAY 2011
Typical Performance Characteristics (continued)
At T_J = 25°C; V_CCI = +5V; V_CCO = +3.3V; V_EE = −5V; unless otherwise specified.
T_PD Dispersion vs. Supply Voltage
110
Slew Rate Dispersion vs. Voltage Supply
75
100
V_OD = 20 mV - 100 mV
90
80
OVERDRIVE 100 mV
70
V_CM = 300 mV
65 SR = 0.1 ± 1 V/Ps
70
60
60
V_CM = 0.3V
55
50
V_{IN_DIFF} = V_CM - 100 mV
50
40
to V_CM + V_OVERDIVE
45
30
20 VOD = 50 mV - 1V
40
10
35
0
V_OD = 100 mV - 1V
-10
2 3 4 5 6 7 8 9 10 11 12
SUPPLY VOLTAGE (V)
30
25
2 3 4 5 6 7 8 9 10 11 12
SUPPLY VOLTAGE (V)
Figure 9.
Figure 10.
Common Mode Dispersion vs. Supply Voltage
80
V_OVERDRIVE = 100 mV
70
0 < V_CM < VCCI ± 1.5
60
50
40
30
20
10
0
2
4
6
8
10
12
SUPPLY VOLTAGE (V)
Figure 11.
Bias Current vs. Temperature
-1
-1.5
2.7V
-2
-2.5
-3
12V
-3.5
5V
-4 _{VCM = 300 mV}
-4.5 ^{VIN_DIFF = 0 mV}
I_BIAS = (I_IN+ + I_IN-)/2
-5
-40 -20 0 20 40 60
80 100 120
TEMPERATURE (°C)
Figure 12.
Input Current vs. Differential Input Voltage
10
V_CM = 2.5V
V_S = 5V
5
V_IN+ = 1.5 to 3.5V
I_IN-
V_IN- = 3.5 to 1.5V
I_IN+
0
-5
I_IN+
I_IN-
-10
-15
-2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0
DIFFERENTIAL INPUT VOLTAGE (V)
Figure 13.
Maximum Toggle Rate
400
300
200
100
0
-100
-200
-300
OUTPUT
MAX TR
-400
OUTPUT
140 MHz
-500
01234567
TIME (ns)
Figure 14.
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