AD8318_07 Datasheet, PDF (4/24 Pages) Analog Devices – 1 MHz to 8 GHz, 70 dB Logarithmic Detector/Controller

AD8318
Parameter
Conditions
Min Typ
Max Unit
f = 3.6 GHz
RTADJ = 51 Ω
Input Impedance
119||0.7
Ω||pF
±3 dB Dynamic Range
TA = 25°C
70
dB
±1 dB Dynamic Range
TA = 25°C
58
dB
−40°C < TA < +85°C
42
dB
Maximum Input Level
±1 dB error
−2
dBm
Minimum Input Level
±1 dB error
–60
dBm
Slope
−24.3
mV/dB
Intercept
19.8
dBm
Output Voltage—High Power In
PIN = −10 dBm
0.717
V
Output Voltage—Low Power In
PIN = −40 dBm
1.46
V
Temperature Sensitivity
PIN = −10 dBm
25°C ≤ TA ≤ 85°C
0.0022
dB/°C
−40°C ≤ TA ≤ +25°C
0.004
dB/°C
f = 5.8 GHz
RTADJ = 1000 Ω
Input Impedance
33||0.59
Ω||pF
±3 dB Dynamic Range
TA = 25°C
70
dB
±1 dB Dynamic Range
TA = 25°C
57
dB
−40°C < TA < +85°C
48
dB
Maximum Input Level
±1 dB error
−1
dBm
Minimum Input Level
±1 dB error
−58
dBm
Slope
−24.3
mV/dB
Intercept
25
dBm
Output Voltage—High Power In
PIN = −10 dBm
0.86
V
Output Voltage—Low Power In
PIN = −40 dBm
1.59
V
Temperature Sensitivity
PIN = −10 dBm
25°C ≤ TA ≤ 85°C
0.0033
dB/°C
−40°C ≤ TA ≤ +25°C
0.0069
dB/°C
f = 8.0 GHz
RTADJ = 500 Ω
±3 dB Dynamic Range
TA = 25°C
60
dB
−40°C < TA < +85°C
58
dB
Maximum Input Level
±3 dB error
3
dBm
Minimum Input Level
±3 dB error
−55
dBm
Slope
−23
mV/dB
Intercept
37
dBm
Output Voltage—High Power In
PIN = −10 dBm
1.06
V
Output Voltage—Low Power In
PIN = −40 dBm
1.78
V
Temperature Sensitivity
PIN = −10 dBm
25°C ≤ TA ≤ 85°C
0.028
dB/°C
−40°C ≤ TA ≤ +25°C
−0.0085
dB/°C
OUTPUT INTERFACE
VOUT (Pin 6)
Voltage Swing
VSET = 0 V; PIN = −10 dBm, no load¹
VSET = 2.1 V; PIN = −10 dBm, no load¹
4.9
V
25
mV
Output Current Drive
VSET = 1.5 V; PIN = −50 dBm
60
mA
Small Signal Bandwidth
PIN = −10 dBm; from CLPF to VOUT
60
MHz
Video Bandwidth (or Envelope Bandwidth)
45
MHz
Output Noise
PIN = 2.2 GHz; −10 dBm, fNOISE = 100 kHz, CLPF = 220 pF
90
nV/√Hz
Fall Time
PIN = Off to −10 dBm, 90% to 10%
10
ns
Rise Time
PIN = −10 dBm to off, 10% to 90%
12
ns
Rev. B | Page 4 of 24