Datasheet

REV. A
AD8306
–4–
ENABLE VOLTAGE – V
100
0.5
SUPPLY CURRENT – mA
10
1
0.1
0.01
0.001
0.0001
0.00001
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5
T
A
= +258C
T
A
= +858C
T
A
= –408C
Figure 1. Supply Current vs. Enable Voltage @
T
A
= –40 ° C, +25 ° C and +85 ° C
R
LIM
– V
14
0
SUPPLY CURRENT – mA
12
10
8
6
4
2
0
50 100 150 200 250 300 350 400 450
ADDITIONAL SUPPLY CURRENT
LIMITER OUTPUT
CURRENT
Figure 2. Additional Supply Current and Limiter Output
Current vs. R
LIM
500mV PER
VERTICAL
DIVISION
2V PER
VERTICAL
DIVISION
VLOG
GROUND REFERENCE
INPUT
100ns PER HORIZONTAL DIVISION
Figure 3. Large Signal RSSI Pulse Response with
C
L
= 100 pF and R
L
= 50 Ω and 75 Ω (Curves Overlap)
–Typical Performance Characteristics
500mV PER
VERTICAL
DIVISION
GROUND REFERENCE
INPUT
1V PER
VERTICAL
DIVISION
100ns PER HORIZONTAL DIVISION
INPUT LEVEL
SHOWN IS –3dBV
VLOG
Figure 4. RSSI Pulse Response for Inputs Stepped from
Zero to –83 dBV, –63 dBV, –43 dBV, –23 dBV, –3 dBV
500mV PER
VERTICAL
DIVISION
100ns PER HORIZONTAL DIVISION
INPUT
2V PER
VERTICAL
DIVISION
GROUND REFERENCE
VLOG
Figure 5. Large Signal RSSI Pulse Response with R
L
= 100 Ω
and C
L
= 33 pF, 100 pF and 330 pF (Overlapping Curves)
200mV PER
VERTICAL
DIVISION
GROUND REFERENCE
100ms PER HORIZONTAL DIVISION
270pF
27pF
3300pF
VLOG
Figure 6. Small Signal AC Response of RSSI Output with
External Filter Capacitance of 27 pF, 270 pF and 3300 pF