AD602 AD [Analog Devices], AD602 Datasheet - Page 19

• Manufacturer Part Number: AD602
• Description: Dual, Low Noise, Wideband Variable Gain Amplifiers
• Manufacturer: AD [Analog Devices]

REV. A
OUTPUT
OUTPUT
INPUT
INPUT
Figure 44. Gating Feedthrough to
Output, Gating Off to On
Figure 47. Input Stage Overload
Recovery Time
Figure 50. CMRR vs. Frequency
+10
–10
–15
–20
–25
–30
–35
–40
+5
–5
0
1k
100
90
10
0%
100
90
10
0%
AD600:
AD602:
BOTH:
10k
G=20dB
G=10dB
V
V = 5V
R =500
T =25 C
CM
S
A
L
FREQUENCY — Hz
=100mV RMS
100k
AD600
5V
1V
50mV
500mV
1M
AD602
10M
100nS
200nS
100M
OUTPUT
OUTPUT
INPUT
INPUT
Figure 45. Gating Feedthrough to
Output, Gating On to Off
Figure 48. Output Stage Overload
Recovery Time
Figure 51. PSRR vs. Frequency
+20
+10
–10
–20
–30
–40
–50
–60
–70
–80
0
100k
100
100
90
10
0%
90
10
0%
1M
FREQUENCY – Hz
AD600
AD602
–19–
5V
1V
50mV
200mV
AD600: G=40dB
AD602: G=30dB
BOTH: R =500
10M
V
R =50
L
IN
S
=0V
100nS
500nS
100M
OUTPUT
OUTPUT
Figure 52. Crosstalk Between A1
and A2 vs. Frequency
INPUT
INPUT
+10
–10
–20
–30
–40
–50
–60
–70
–80
–90
Figure 46. Transient Response,
Medium and High Gain
Figure 49. Transient Response
Minimum Gain
0
100k
100
90
10
0%
100
90
10
0%
AD600:
AD602:
BOTH:
CROSSTALK=20log
CH1 G=40dB, V =0
CH2 G=20dB, V =100mV
CH1 G=30dB, V =0
CH2 G=10dB, V =316mV
V
R =500
OUT
L
AD600/AD602
=1V RMS, R =50 ,
1M
FREQUENCY – Hz
{
CH1 V
CH2 V
1V
1V
IN
IN
IN
IN
100mV
500mV
S
OUT
IN
10M
}
AD600
AD602
500nS
500nS
100M