Datasheet

AD8368
Rev. B | Page 10 of 20
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
–40 –35 –30 –25 –20 –15 –10 –5 0 5
RSSI (V)
CONFORMANCE ERROR (dB)
RF INPUT (dBm)
05907-021
+85°C
+85°C
–40°C
–40°C
+25°C
+25°C
Figure 21. RSSI (V
DETO
) and Conformance Error vs. Input Power (f = 70 MHz)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
–40 –35 –30 –25 –20 –15 –10 –5 0 5
RSSI (V)
CONFORMANCE ERROR (dB)
RF INPUT (dBm)
05907-022
+85°C
+85°C
–40°C
–40°C
+25°C
+25°C
Figure 22. RSSI (V
DETO
) and Conformance Error vs. Input Power (f = 140 MHz)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
–40 –35 –30 –25 –20 –15 –10 –5 0 5
RSSI (V)
CONFORMANCE ERROR (dB)
RF INPUT (dBm)
05907-023
+85°C
+85°C
–40°C
–40°C
+25°C
+25°C
Figure 23. RSSI (V
DETO
) and Conformance Error vs. Input Power (f = 240 MHz)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
–40 –35 –30 –25 –20 –15 –10 –5 0 5
RSSI (V)
CONFORMANCE ERROR (dB)
RF INPUT (dBm)
05907-024
+85°C
+85°C
–40°C
–40°C
+25°C
+25°C
Figure 24. RSSI (V
DETO
) and Conformance Error vs. Input Power (f = 380 MHz)
05907-025
CH2 50mV Ω CH3 100mV Ω M20µs 500MS/s
2.0ns/PT
A CH1 410mV
V
RSSI
V
OUTP
AMPLITUDE (V)
Figure 25. AGC Time Domain Response (3 dB Power Step, C
DETO
= 1 nF)
DISABLE CURRENT (mA)
80
70
60
50
40
30
20
10
0
8
7
6
5
4
3
2
1
0
–40 –20 0 20 6040 80
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
05907-026
4.5V
5.0V
5.5V
4.5V
5.0V
5.5V
Figure 26. Supply Current and Disable Current vs. Temperature