Test Circuits and Waveforms (Continued)
TTL LEVEL
1000
0.1T
LOGIC INPUT
T
IH5053
100
10
1
1
10
100
1K
10K
100K
LOGIC FREQUENCY AT 10% DUTY CYCLE (Hz)
FIGURE 5. SUPPLY CURRENT vs LOGIC FREQUENCY
3V
0V
TTL
LOGIC
INPUT
ANALOG INPUT
10V
10pF
VOUT
1kΩ
FIGURE 6. tON AND tOFF TEST CIRCUIT
45
40
35
30
ANALOG INPUT
25
3V
20
0V
TTL
15
LOGIC
VOUT
INPUT
10
10nF
0
-10.0 -7.5 -5.0 -2.5 0 2.5 5.0 7.5 10.0
VANALOG (V)
FIGURE 7A. CHARGE INJECTION vs ANALOG INPUT
VOLTAGE, CL = 10nF
FIGURE 7. CHARGE INJECTION
FIGURE 7B. TEST CIRCUIT
4