AD640–Typical AC Performance Characteristics
–2.5
–2.5
–2.0
–1.5
–1.0
+125؇C
+25؇C
30MHz
+25؇C
+125؇C
–55؇C
60MHz
90MHz
120MHz
–2.0
–1.5
–1.0
–0.5
0
+1
0
–55؇C
+125؇C
+25؇C
–1
–2
–5
0
+125؇C
–55؇C
–55؇C
AD640 ؎V = 5 VOLTS
TEMPERATURE = +25؇C
AD640
FREQUENCY = 60MHz
S
0.5
–50
0.5
–50
–40
–30
–20
–10
0
–40
–30
–20
–10
0
INPUT LEVEL – dBm
INPUT LEVEL – dBm
Figure 10. AC Response at 30 MHz, 60 MHz, 90 MHz and
120 MHz, vs. dBm Input (Sinusoidal Input)
Figure 13. Logarithmic Response and Linearity at 60 MHz,
TA for TA = –55؇C, +25؇C, +125؇C
90
89
88
87
86
85
84
83
82
81
80
1.0
0.95
0.90
0.85
0.80
0
10 20 30 40 50 60 70 80 90 100 110 120
INPUT FREQUENCY – MHz
DC
30
60
90
120
150
FREQUENCY – MHz
Figure 11. Slope Current, IY, vs. Input Frequency
Figure 14. Intercept Level (dBm) vs. Frequency
(Cascaded AD640s – Sinusoidal Input)
5µs
5µs
100
90
10
0%
20mV
20mV
Figure 12. Baseband Pulse Response of Single AD640,
Inputs of 1 mV, 10 mV and 100 mV
Figure 15. Baseband Pulse Response of Cascaded
AD640s, Inputs of 0.2 mV, 2 mV, 20 mV and 200 mV
–6–
REV. C
ADI [ ADI ]
