Datasheet

-
+
Vee
Vcco
Vee
Vcci
14
15
VCCI
VCCO
Qn
13
20
C14
10n
VEE
Q 19
18
16
17
C11
47n
C10
10n
-
+
Vee
Vcco
Vee
Vcci
11
10
VCCI
VCCO
Qn
5
12
VEE
Q 6
7
9
8
C4
47n
C5
10n
C7
10n
-
+
Vee
Vcco
Vee
Vcci
27
26
VCCI
VCCO
Qn
21
28
C20
10n
VEE
Q 22
23
25
24
C16
47n
C15
10n
U1B
LMH7324
U1D
LMH7324
U1C
LMH7324
R4
360
R5
240
C8
10n
VEE
R10
240
C13
10n
VEE
In Window (active low)
1
con3
Below Window (active low)
1
con4
R11
240
R12
240
C19
10n
VEE
under ref low
in window
over ref high
Vin
Q1 Q2 Q3 Q4
0 1 0 1
1 0 0 1
1 0 1 0
-
+
Vee
Vcco
Vee
Vcci
30
31
VCCI
VCCO
Qn
4
29
VEE
Q 3
2
32
1
C2
47n
C1
10n
C6
10n
U1A
LMH7324
R2
240
R1
240
C3
10n
VEE
Above Window (active low)
1
con1
1
con2
Vin
R8
51
Ref low
C12
10n
R7
200
R6
200
R9
10k
VEE
+
R3
10k
VCCI
Ref high
C9
10P
window: 200 mV @ VCCI-VEE = 10V
window: 100 mV @ VCCI-VEE = 5V
VCCI
+ +
+
C17
47P
VEE
C18
47P
C21
47P
VCCO
jumper if VCCI = VCCO
3
2
1
4
con5
1
2
J1
GND
C23
100n
C22
100n
J2
J3
J4
C24
100n
1
2
1
2
1
2
Board Schematic www.ti.com
5 Board Schematic
Figure 7. Schematic Diagram
6
AN-1683 LMH7324 High Speed Comparator Evaluation Board SNOA494A–September 2007–Revised May 2013
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