AD603
102
100
98
96
94
100k
1M
10M
FREQUENCY (Hz)
100M
Figure 16. Input Impedance vs. Frequency (Gain = 30 dB)
1V
100
90
10
0%
1V
200ns
Figure 17. Gain Control Channel Response Time
4.5V
INPUT GND
1V/DIV
500mV
OUTPUT GND
500mV/DIV
–500mV
–49ns
50ns
451ns
Figure 18. Input Stage Overload Recovery Time
(Input Is 500 ns Period, 50% Duty-Cycle Square Wave,
Output Is Captured Using Tektronix 11402 Digitizing Oscilloscope)
3V
INPUT GND
100MV/DIV
1V
OUTPUT GND
1V/DIV
–2V
–49ns
50ns
451ns
Figure 19. Output Stage Overload Recovery Time
(Input Is 500 ns Period, 50% Duty-Cycle Square Wave,
Output Is Captured Using Tektronix 11402 Digitizing Oscilloscope)
3.5V
INPUT
500mV/DIV
GND
500mV
OUTPUT
500mV/DIV
GND
–1.5V
–44ns
50ns
456ns
Figure 20. Transient Response, G = 0 dB
(Input Is 500 ns Period, 50% Duty-Cycle Square Wave,
Output Is Captured Using Tektronix 11402 Digitizing Oscilloscope)
3.5V
500mV
INPUT GND
100mV/DIV
OUTPUT GND
500mV/DIV
–1.5V
–44ns
50ns
456ns
Figure 21. Transient Response, G = 20 dB
(Input Is 500 ns Period, 50% Duty-Cycle Square Wave,
Output Is Captured Using Tektronix 11402 Digitizing Oscilloscope)
Rev. H | Page 8 of 24