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AD8309ARUZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
REV. B
ENABLE VOLTAGE – V
100
0.00001
0.5 2.50.7
SUPPLY CURRENT – mA
0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3
10
1
0.1
0.01
0.001
0.0001
+258C
+858C
–408C
Figure 1. Supply Current vs. Enable Voltage @
T
A
= –40
°
C, +25
°
C and +85
°
C
VLOG
500mV PER
VERTICAL
DIVISION
500ns PER HORIZONTAL
DIVISION
GROUND REFERENCE
5V PER
VERTICAL
DIVISION
ENBL
–13dBV
–33dBV
–53dBV
–73dBV
–93dBV
Figure 2. Power On/Off Response Time with RF Input of
–93 dBV to –13 dBV
VLOG
INPUT
500mV PER
VERTICAL DIVISION
200ns PER HORIZONTAL
DIVISION
GROUND REFERENCE
500mV PER
VERTICAL DIVISION
Figure 3. Large Signal RSSI Pulse Response with
C
L
= 100 pF and R
L
= 50
Ω
and 75
Ω
(Curves Overlap)
AD8309–Typical Performance Characteristics
–4–
GROUND REFERENCE
100ns PER HORIZONTAL
DIVISION
500mV PER
VERTICAL DIVISION
+10dBm INPUT
LEVEL SHOWN
HERE
VLOG
500mV PER
VERTICAL
DIVISION
Figure 4. RSSI Pulse Response for Inputs Stepped from
Zero to –63 dBV, –43 dBV, –23 dBV, –3 dBV
GROUND REFERENCE
VLOG
INPUT
500mV PER
VERTICAL
DIVISION
100ns PER HORIZONTAL
DIVISION
1V PER VERTICAL
DIVISION
Figure 5. Large Signal RSSI Pulse Response with R
L
= 100
Ω
and C
L
= 33 pF, 100 pF and 330 pF (Curves Overlap)
200mV PER
VERTICAL DIVISION
100ms PER
HORIZONTAL
DIVISION
27pF
3300pF
GROUND REFERENCE
270pF
VLOG
Figure 6. Small Signal AC Response of RSSI Output with
External Filter Capacitance of 27 pF, 270 pF and 3300 pF
REV. B
AD8309
–5–
INPUT LEVEL – dBm Re 50V
2.5
–100
RSSI OUTPUT – V
2.0
1.5
1.0
0.5
0
–80 –60 –40 –20 0 20 40
T
A
= +858C
T
A
= +258C
T
A
= –408C
Figure 7. RSSI Output vs. Input Level, 100 MHz Sine Input,
at T
A
= –40
°
C, +25
°
C and +85
°
C, Single-Ended Input
INPUT LEVEL – dBm Re 50V
2.5
–100
RSSI OUTPUT – V
2.0
1.5
1.0
0.5
0
–80 –60 –40 –20 0 20 40
100MHz
50MHz
200MHz
5MHz
Figure 8. RSSI Output vs. Input Level, at T
A
= +25
°
C, for
Frequencies of 5 MHz, 50 MHz, 100 MHz and 200 MHz
INPUT LEVEL – dBm Re 50V
2.5
–100
RSSI OUTPUT – V
2.0
1.5
1.0
0.5
0
–80 –60 –40 –20 0 20 40
300MHz
400MHz
500MHz
Figure 9. RSSI Output vs. Input Level, at T
A
= +25
°
C, for
Frequencies of 300 MHz, 400 MHz and 500 MHz
INPUT LEVEL – dBm Re 50V
5
–100
ERROR – dB
4
3
2
1
0
–1
–2
–3
–4
–5
–80 –60 –40 –20
0
20 40
T
A
= +858C
T
A
= +258C
T
A
= –408C
Figure 10. Log Linearity of RSSI Output vs. Input Level,
100 MHz Sine Input, at T
A
= –40
°
C, +25
°
C, and +85
°
C
INPUT LEVEL – dBm Re 50V
5
–90
ERROR – dB
4
3
2
1
0
–1
–2
–3
–4
–5
–80 –70 –60 –50
–40 –30 –20 –10 0 10 20 30
DYNAMIC RANGE
5MHz
50MHz
100MHz
200MHz
63dB
93
99
103
102
61dB
85
91
97
96
50MHz
5MHz
200MHz
100MHz
Figure 11. Log Linearity of RSSI Output vs. Input Level, at
T
A
= +25
°
C, for Frequencies of 5 MHz, 50 MHz, 100 MHz
and 200 MHz
INPUT LEVEL – dBm Re 50V
5
–90
ERROR – dB
4
3
2
1
0
–1
–2
–3
–4
–5
–80 –70 –60 –50 –40 –30 –20 –10 0 10 20 30
DYNAMIC RANGE
300MHz
400MHz
500MHz
63dB
102
100
100
61dB
90
65
66
300MHz
400MHz
500MHz
Figure 12. Log Linearity of RSSI Output vs. Input Level,
at T
A
= +25
°
C, for Frequencies of 300 MHz, 400 MHz and
500 MHz
REV. B
AD8309
–6–
FREQUENCY – MHz
25
15
1
RSSI SLOPE – mV/dB
24
23
22
21
20
19
18
17
16
10 100 1000
Figure 13. RSSI Slope vs. Frequency Using Termination of
52.3
Ω
in Series with 4.7 nH
2ns PER HORIZONTAL DIVISION
LIMITER OUTPUTS 100mV PER VERTICAL DIVISION
2mV PER VERTICAL DIVISION
Figure 14. Limiter Output at 300 MHz for a Sine Wave
Input of –60 dBV (–47 dBm), Using an R
LOAD
of 50
Ω
and an
R
LIM
of 100
Ω
12.5ns PER HORIZONTAL
DIVISION
1mV PER VERTICAL DIVISION
LIMITER OUTPUTS
50mV PER VERTICAL DIVISION
INPUT
LMLO
LMHI
Figure 15. Limiter Response at LMHI, LMLO with Pulsed
Sine Input of –70 dBV (–57 dBm) at 50 MHz; R
LOAD
= 50
Ω
,
R
LIM
= 200
Ω
FREQUENCY – MHz
–103
–113
1
RSSI INTERCEPT – dBV
–104
–105
–106
–107
–108
–109
–110
–111
–112
10 100 1000
Figure 16. RSSI Intercept vs. Frequency Using Termina-
tion of 52.3
Ω
in Series with 4.7 nH
R
LIM
– V
12
0
CURRENT – mA
10
8
6
4
2
0
100 200 300 400 450
LIMITER OUTPUT CURRENT
ADDITIONAL SUPPLY CURRENT
150 250 35050
14
Figure 17. Additional Supply Current and Limiter Out-
put Current vs. R
LIM
INPUT LEVEL – dBm Re 50V
10
–60
NORMALIZED
LIMITER PHASE RESPONSE – Degrees
8
6
4
2
0
–10
–50 –30 –20 –10 10
–2
–4
–6
–8
–40 0
T
A
= +858C
T
A
= +258C
T
A
= –408C
Figure 18. Normalized Limiter Phase Response vs. Input
Level. Frequency = 100 MHz; T
A
= –40
°
C, +25
°
C and +85
°
C
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

AD8309ARUZ

Mfr. #:
Buy AD8309ARUZ
Manufacturer:
Analog Devices Inc.
Description:
Logarithmic Amplifiers 5-500 MHz 100 dB w/ Limiter Output
Lifecycle:
New from this manufacturer.
Delivery:
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