AD8309ARU Analog Devices Inc, AD8309ARU Datasheet - Page 6

• Manufacturer Part Number: AD8309ARU
• Description: IC LOGARITHM AMP 100DB 16-TSSOP
• Manufacturer: Analog Devices Inc
• Type: Logarithmic Amplifierr

Specifications of AD8309ARU

• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Rohs Status: RoHS non-compliant
• Applications: Receiver Signal Strength Indication (RSSI)
• No. Of Amplifiers: 1
• No. Of Pins: 16
• Peak Reflow Compatible (260 C): No
• Bandwidth: 500MHz
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD8309
Figure 13. RSSI Slope vs. Frequency Using Termination of
52.3
Figure 14. Limiter Output at 300 MHz for a Sine Wave
Input of –60 dBV (–47 dBm), Using an R
R
Figure 15. Limiter Response at LMHI, LMLO with Pulsed
Sine Input of –70 dBV (–57 dBm) at 50 MHz; R
R
LIM
LIM
= 200
of 100
25
24
23
22
21
20
19
18
17
16
15
in Series with 4.7 nH
1
2ns PER HORIZONTAL DIVISION
LMLO
LMHI
LIMITER OUTPUTS
INPUT
LIMITER OUTPUTS
50mV PER VERTICAL DIVISION
1mV PER VERTICAL DIVISION
10
FREQUENCY – MHz
100mV PER VERTICAL DIVISION
2mV PER VERTICAL DIVISION
12.5ns PER HORIZONTAL
100
DIVISION
LOAD
of 50
LOAD
1000
= 50
and an
,
–6–
Figure 16. RSSI Intercept vs. Frequency Using Termina-
tion of 52.3
Figure 18. Normalized Limiter Phase Response vs. Input
Level. Frequency = 100 MHz; T
Figure 17. Additional Supply Current and Limiter Out-
put Current vs. R
–103
–104
–105
–106
–107
–108
–109
–110
–111
–112
–113
–10
10
–2
–4
–6
–8
14
12
10
2
0
8
6
4
2
0
8
6
4
–60
1
0
T
LIMITER OUTPUT CURRENT
T
A
A
50
= +25 C
in Series with 4.7 nH
= +85 C
–50
T
A
100
= –40 C
LIM
ADDITIONAL SUPPLY CURRENT
–40
INPUT LEVEL – dBm Re 50
10
150
FREQUENCY – MHz
–30
200
R
LIM
A
–
250
= –40 C, +25 C and +85 C
–20
100
300
–10
350
0
400
1000
450
10
REV. B