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AD8314-EVAL Datasheet(数据表) 3 Page - Analog Devices

部件型号  AD8314-EVAL
说明  100 MHz to 2.7 GHz, 45 dB RF Detector/Controller
下载  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
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 3 page
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AD8314
Rev. B | Page 3 of 20
SPECIFICATIONS
VS = 3 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
OVERALL FUNCTION
Frequency Range1
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 MHz2
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
Inband Input Resistance
f = 0.1 GHz
3
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 Voltage3
RL ≥ 10 kΩ
1.9
2
V
General Limit
2.7 V ≤ VS ≤ 5.5 V
VS − 1.1
VS − 1
V
Available Output Current
Sourcing/sinking
1/0.5
2/1
mA
Response Time
10% to 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 × VUP
−2
Minimum Output Voltage
VS ≥ 3.3 V
0.01
0.05
0.1
V
Maximum Output Voltage
VS ≥ 3.3 V4
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% to 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
7
10
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, −40°C ≤ TA ≤ +85°C
1.6
VPOS
V
Input Current when HI
2.7 V at ENBL, −40°C ≤ TA ≤ +85°C
20
300
μA
Logic Level to Disable Power
LO condition, −40°C ≤ TA ≤ +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
Overtemperature
−40°C ≤ TA ≤ +85°C
2.7
4.4
6.6
mA
Total Supply Current when Disabled
20
95
μA
Overtemperature
−40°C ≤ TA ≤ +85°C
40
μA
1 For a discussion on operation at higher frequencies, see Applications section.
2 Mean and standard deviation specifications are available in Table 4.
3 Increased output possible when using an attenuator between V_UP and VSET to raise the slope.
4 Refer to Figure 22 for details.




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