E7802 SEMTECH [Semtech Corporation], E7802 Datasheet - Page 20

• Manufacturer Part Number: E7802
• Description: Low Cost, Dual-Channel, 15V Pin Electronics Driver/Window Comparator
• Manufacturer: SEMTECH [Semtech Corporation]

AC Characteristics (continued)
TEST AND MEASUREMENT PRODUCTS
©
2008 Semtech Corp. , Rev. 5, 3/7/08
Measurement Point (V X )
Figure 11. Comparator Dispersion: Overdrive Measurement Definition
Comparator Output
( V X High - V X Low)
( V X High - V X Low)
Figure 9. Driver Minimum Pulse Width Measurement Definition
V X Low + 0.9 *
Figure 10. Comparator Propagation Delay Measurements
V X Low + 0.1 *
V X High
Output
V X Low
Signal
V INP
2.5V
0.0V
50%
50%
Q H
Q L
Comparator Output
( V X High +
V X Low)/2
100%
V INP
50%
50%
50%
Q L
Q H
0 %
20-80% Tr/Tf for 500mV p-p = 0.3ns; for 5V p-p = 3ns
Tpd-
INPUT: Freq = 10 MHz; 50% Duty Cycle, SR = 1V/ns
Tpd+
2.5V
Tpd+
Tpd-
20
Tpw+
V X High = 0.4V, 1V, 3V, 5V
V X Low = 0V
Period = 100ns
CVH/L
100mV
SR = 1V/ns
2.5V
Tpw–
V CVH , V CVL
Tpd-
Tpd+
Tpd+
Tpd-
Time
Time
100mV
Time
Time
Time
Time
www.semtech.com
E7802