AD602 AD [Analog Devices], AD602 Datasheet - Page 18

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

AD600/AD602–Typical Performance Characteristics
10.0
102
101
100
–0.05
–0.15
–0.25
–0.35
–0.45
Figure 35. Gain Error vs. Gain
Control Voltage
Figure 38. AD600 and AD602
Typical Group Delay vs. V
Figure 41. Input Impedance vs.
Frequency
0.45
0.35
0.25
0.15
0.05
9.8
9.6
9.4
9.2
9.0
8.8
8.6
8.4
8.2
8.0
99
98
97
96
95
94
93
92
–0.7
100k
–0.7
–0.5
GAIN CONTROL VOLTAGE – Volts
–0.5
GAIN CONTROL VOLTAGE – Volts
–0.3
–0.3
1M
FREQUENCY – Hz
GAIN=40dB
–0.1
–0.1
GAIN=20dB
0.1
0.1
GAIN=0dB
10M
0.3
0.3
C
0.5
0.5
100M
0.7
0.7
20dB
17dB
Figure 36. AD600 Frequency and
Phase Response vs. Gain
Figure 39. Third Order Intermodula-
tion Distortion, V
R
Figure 42. Output Offset vs. Gain
Control Voltage (Control Channel
Feedthrough)
–45
–90
L
–1
–2
–3
–4
0
–0.7
100k
6
5
4
3
2
1
0
= 500
–0.5
GAIN CONTROL VOLTAGE – Volts
–0.3
1M
FREQUENCY – Hz
AD602
–0.1
–18–
OUT
0.1
= 2 V p-p,
AD600
10M
V =0V
10dB/DIV
CENTER
FREQ 1MHz
10kHz/DIV
G
0.3
0.5
100M
0.7
OUTPUT
10dB
INPUT
Figure 37. AD602 Frequency and
Phase Response vs. Gain
Figure 40. Typical Output Voltage
vs. Load Resistance (Negative Out-
put Swing Limits First)
Figure 43. Gain Control Channel
Response Time. Top: Output Volt-
age, 2 V max, Bottom: Gain Con-
trol Voltage V
–45
–90
7dB
0
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
–2.4
–2.6
–2.8
–3.0
–3.2
–3.4
100k
100
90
10
0%
0
50
LOAD RESISTANCE –
1M
100
FREQUENCY – Hz
C
= 625 mV
200
1V VC
1V VOUT
500
10M
1000
2000
1 S
REV. A
100M