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TLC372CDRG4 Datasheet(PDF) 7 Page - Texas Instruments

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Part No. TLC372CDRG4
Description  LinCMOSE DUAL DIFFERENTIAL COMPARATORS
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TLC372CDRG4 Datasheet(HTML) 7 Page - Texas Instruments

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TLC372
LinCMOS DUAL DIFFERENTIAL COMPARATORS
SLCS114E − NOVEMBER 1983 − REVISED JULY 2008
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Response time is defined as the interval between the application of an input step function and the instant when the
output reaches 50% of its maximum value. Response time, low-to-high level output, is measured from the leading
edge of the input pulse, while response time, high-to-low level output, is measured from the trailing edge of the input
pulse. Response-time measurement at low input signal levels can be greatly affected by the input offset voltage. The
offset voltage should be balanced by the adjustment at the inverting input as shown in Figure 3, so that the circuit
is just at the transition point. Then a low signal, for example 105-mV or 5-mV overdrive, causes the output to change
state.
Low-to-High-
Level Output
DUT
5.1 k
1
µF
0.1
µF
1 k
50
CL
(see Note A)
VDD
Pulse
Generator
Input Offset Voltage
Compensation Adjustment
10
10 Turn
1 V
−1 V
Overdrive
Input
100 mV
Overdrive
Input
tf
tPHL
10%
50%
90%
90%
50%
tr
tPLH
High-to-Low-
Level Output
TEST CIRCUIT
VOLTAGE WAVEFORMS
10%
100 mV
NOTE A: CL includes probe and jig capacitance.
Figure 3. Response, Rise, and Fall Times Circuit and Voltage Waveforms


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