LMV393DR2G ON Semiconductor, LMV393DR2G Datasheet - Page 12

• Manufacturer Part Number: LMV393DR2G
• Description: IC COMPARATOR DUAL GP LV 8SOIC
• Manufacturer: ON Semiconductor
• Type: General Purposer

Specifications of LMV393DR2G

• Number Of Elements: 2
• Output Type: Open Drain
• Voltage - Supply: 2.7 V ~ 5 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Non−inverting Configuration with Hysteresis
configuration is defined as follows:
V
A non−inverting comparator is shown in Figure 24.
The hysteresis band (Figure 25) of the non−inverting
V
IN
R1
R2
T1
Figure 22.
R1
V
V
+V
O
REF
V
V
HIGH
O
CC
CC
0
V
A
V
R3
DV
IN2
−
+
in
Figure 24.
Figure 25.
+ V
V
R2
IN
CC
R
V
+V
1
R1
R2
T2
+V
V
R
CC
IN1
2
CC
Figure 23.
V
O
LOW
R
PULL−UP
V
R
O
LOAD
R3
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input (V
as being connected to ground (Figure 26). To calculate the
voltage required at V
following equation is used:
V
(Figure 27). The following equation is used to calculate the
voltage at V
Termination of Unused Inputs
keep the output from ‘chattering.’ For example, if one
channel of a dual or quad package is not being used, then the
inputs must be connected to a defined state. The
recommended connections would be to tie one input to V
and the other input to ground.
REF
When V
When the output is high, V
Proper termination of unused inputs is a good practice to
(V
REF
IN
IN
), then the output is low. R
≤ V
IN
Figure 26.
V
is much less than the voltage at the inverting
V
in2
to switch the output back to the low state:
O
V
REF
LOW
IN1
+
V
R1
V
R2
in1
) before the output will be low again
V
A
ref
IN
= V
+
(R
REF
to trip the comparator high, the
V
ref
1
) R
IN
(R
R
R
1
must less than or equal to
2
2
2
) R
) * V
Figure 27.
V
O
+V
2
2
V
)
HIGH
can then be viewed
CC
IN2
CC
V
R2
R1
R
A
1
= V
REF
CC