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AD8314 Datasheet(Fiches technique) 2 Page - Analog Devices

Numéro de pièce AD8314
Description  100 MHz-2500 MHz 45 dB RF Detector/Controller
Télécharger  16 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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–2–
REV. 0
AD8314–SPECIFICATIONS (V
S = 3 V, TA = +25 C, unless otherwise noted)
Parameter
Condition
Min
Typ
Max
Unit
OVERALL FUNCTION
Frequency Range
To Meet All Specifications
0.1
2.5
GHz
Input Voltage Range
Internally AC-Coupled
1.25
224
mV rms
Equivalent Power Range
52.3
Ω External Termination
–45
0
dBm
Logarithmic Slope
Main Output, V_UP, 100 MHz1
18.85
21.3
23.35
mV/dB
Logarithmic Intercept
Main Output, V_UP, 100 MHz
–68
–62
–56
dBV
Equivalent dBm Level
52.3
Ω External Termination
–55
–49
–43
dBm
INPUT INTERFACE
(Pin RFIN)
DC Resistance to COMM
100
k
Inband Input Resistance
f = 0.1 GHz
3
k
Input Capacitance
f = 0.1 GHz
2
pF
MAIN OUTPUT
(Pin V_UP)
Voltage Range
V_UP Connected to VSET
0.01
1.2
V
Minimum Output Voltage
No Signal at RFIN, RL
≥ 10 kΩ
0.01
0.02
0.05
V
Maximum Output Voltage
2
RL
≥ 10 kΩ
1.9
2
V
General Limit
2.7 V
≤ V
S
≤ 5.5 V
VS – 1.1
VS –1
V
Available Output Current
Sourcing/Sinking
1/0.5
2/1
mA
Response Time
10%–90%, 10 dB Step
70
ns
Residual RF (at 2f)
f = 0.1 GHz (Worst Condition)
100
µV
INVERTED OUTPUT
(Pin V_DN)
Gain Referred to V_UP
VDN = 2.25 V – 2
× V
UP
–2
Minimum Output Voltage
VS
≥ 3.3 V
0.01
0.05
0.1
V
Maximum Output Voltage
VS
≥ 3.3 V3
2.1
2.2
2.5
V
Available Output Current
Sourcing/Sinking
4/100
6/200
mA/
µA
Output-Referred Noise
RF Input = 2 GHz, –33 dBV, fNOISE = 10 kHz
1.05
µV/√Hz
Response Time
10%–90%, 10 dB Input Step
70
ns
Full-Scale Settling Time
–40 dBm to 0 dBm Input Step, to 95%
150
ns
SETPOINT INPUT
(Pin VSET)
Voltage Range
Corresponding to Central 40 dB
0.15
1.2
V
Input Resistance
710
k
Logarithmic Scale Factor
f = 0.900 GHz
20.7
mV/dB
f = 1.900 GHz
19.7
mV/dB
ENABLE INTERFACE
(Pin ENBL)
Logic Level to Enable Power
HI Condition, –30
°C ≤ T
A
≤ +85°C
1.6
VPOS
V
Input Current when HI
2.7 V at ENBL, –30
°C ≤ T
A
≤ +85°C
20
300
µA
Logic Level to Disable Power
LO Condition, –30
°C ≤ T
A
≤ +85°C
–0.5
0.8
V
POWER INTERFACE
(Pin VPOS)
Supply Voltage
2.7
3.0
5.5
V
Quiescent Current
3.0
4.5
5.7
mA
Over Temperature
–30
°C ≤ T
A
≤ +85°C
2.7
4.4
6.6
mA
Total Supply Current when Disabled
20
95
µA
Over Temperature
–30
°C ≤ T
A
≤ +85°C40
µA
NOTES
1Mean and Standard Deviation specifications are available in Table I.
2Increased output possible when using an attenuator between V_UP and VSET to raise the slope.
3Refer to Figure 19 for details.
Specifications subject to change without notice.




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