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AD8318 Datasheet(Fiches technique) 5 Page - Analog Devices

Numéro de pièce AD8318
Description  1 MHz - 8 GHz, 60 dB Logarithmic Detector/Controller
Télécharger  24 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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AD8318
Rev. 0 | Page 5 of 24
Parameter
Conditions
Min
Typ
Max
Unit
Fall Time
Input Level = off to –10 dBm, 90% to 10%
10
ns
Rise Time
Input Level = –10 dBm to off, 10% to 90%
12
ns
VSET INTERFACE
VSET (Pin 7)
Nominal Input Range
RFIN = 0 dBm; measurement mode2
0.5
RFIN = –65 dBm; measurement mode2
2.1
V
Logarithmic Scale Factor
–0.04
dB/mV
Bias Current Source
RFIN = −10 dBm; VSET = 2.1 V
2.5
µA
TEMPERATURE REFERENCE
TEMP (Pin 13)
Output Voltage
TA = 25
°C, R
L
= 10 k
0.57
0.6
0.63
V
Temperature Slope
–40
°C ≤ T
A
≤ +85°C, R
L
= 10 k
2
mV/
°C
Current Source/Sink
TA = 25
°C
10/0.1
mA
POWER-DOWN INTERFACE
ENBL (Pin 16)
Logic Level to Enable Device
1.7
V
ENBL Current When Enabled
ENBL = 5 V
<1
µA
ENBL Current When Disabled
ENBL = 0 V; Sourcing
15
µA
POWER INTERFACE
VPSI (Pins 3, 4), VPSO (Pin 9)
Supply Voltage
4.5
5
5.5
V
Quiescent Current
ENBL = 5 V
50
68
52
mA
vs. Temperature
–40
°C ≤ T
A
≤ +85°C
68
mA
Supply Current when Disabled
ENBL = 0 V, Total Currents for VPSI and VPSO
260
µA
vs. Temperature
–40
°C ≤ T
A
≤ +85°C
350
µA
1 Controller mode
2 (Gain = 1) For other gains, see Measurement Mode section of the data sheet.




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