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AD8312 Datasheet(PDF) 3 Page - Analog Devices

Part # AD8312
Description  100 MHz-2.7 GHz, 45 dB RF Log Detector
PDF  13 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8312 Datasheet(HTML) 3 Page - Analog Devices

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Preliminary Technical Data
AD8312
Rev. PrA| Page 3 of 13
SPECIFICATIONS
Table 1. VS = 3 V, CFLT = open, TA = 25°C, 52.3 Ω termination resistor at RFIN, unless otherwise noted.
Parameter
Conditions
Min
Typ
Max
Unit
SIGNAL INPUT INTERFACE
RFIN (Pin 6)
Specified Frequency Range
0.1
2.7
GHz
Input Voltage Range
Internally AC-Coupled
1.25
224
mV rms
Equivalent Power Range
52.3 Ω External Termination
–45
0
dBm
DC Resistance to COMM
100
kΩ
MEASUREMENT MODE
VOUT (Pin 2) shorted to VSET (Pin 3), Sinusoidal
Input Signal
f = 0.1 GHz
Input Impedance
3020 || 1.35
Ω || pF
± 1 dB Dynamic Range
TA = +25
°C
48
dB
−40
°C < T
A
< +85
°C
40
dB
Maximum Input Level
± 1 dB Error
2
dBm
Minimum Input Level
± 1 dB Error
-46
dBm
Slope
21.0
mV/dB
Intercept
-50.4
dBm
Output Voltage - High Power In
PIN = –10 dBm
0.85
V
Output Voltage - Low Power In
PIN = –40 dBm
0.22
V
Temperature Sensitivity
PIN = –10 dBm
25
°C ≤ T
A
≤ +85°C
- 0.0002
dB/
°C
−40
°C ≤ T
A
≤ +25°C
- 0.0050
dB/
°C
f = 0.9 GHz
Input Impedance
903 || 1.16
Ω || pF
± 1 dB Dynamic Range
TA = +25
°C
50
dB
−40
°C < T
A
< +85
°C
40
dB
Maximum Input Level
± 1 dB Error
2
dBm
Minimum Input Level
± 1 dB Error
-48
dBm
Slope
20.3
mV/dB
Intercept
-51.4
dBm
Output Voltage - High Power In
PIN = –10 dBm
0.839
V
Output Voltage - Low Power In
PIN = –40 dBm
0.226
V
Temperature Sensitivity
PIN = –10 dBm
25
°C ≤ T
A
≤ +85°C
- 0.0036
dB/
°C
–40
°C ≤ T
A
≤ +25°C
-0.0010
dB/
°C
f = 1.9 GHz
Input Impedance
440 || 1.14
Ω || pF
± 1 dB Dynamic Range
TA = +25
°C
46
dB
−40
°C < T
A
< +85
°C
38
dB
Maximum Input Level
± 1 dB Error
-3
dBm
Minimum Input Level
± 1 dB Error
-49
dBm
Slope
19.4
mV/dB
Intercept
-51.8
dBm
Output Voltage - High Power In
PIN = –10 dBm
0.815
V
Output Voltage - Low Power In
PIN = –40 dBm
0.229
V
Temperature Sensitivity
PIN = –10 dBm
25
°C ≤ T
A
≤ +85°C
-0.0044
dB/
°C
–40
°C ≤ T
A
≤ +25°C
-0.0027
dB/
°C



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