(V = 3 V, T = +25؇C, unless otherwise noted)
AD8314–SPECIFICATIONS
S
A
Parameter
Condition
Min
Typ
Max
Unit
OVERALL FUNCTION
Frequency Range
Input Voltage Range
Equivalent Power Range
Logarithmic Slope
Logarithmic Intercept
Equivalent dBm Level
To Meet All Specifications
Internally AC-Coupled
52.3 Ω External Termination
Main Output, V_UP, 100 MHz1
Main Output, V_UP, 100 MHz
52.3 Ω External Termination
0.1
1.25
–45
18.85
–68
–55
2.5
224
0
23.35
–56
–43
GHz
mV rms
dBm
mV/dB
dBV
dBm
21.3
–62
–49
INPUT INTERFACE
DC Resistance to COMM
Inband Input Resistance
Input Capacitance
(Pin RFIN)
100
3
2
kΩ
kΩ
pF
f = 0.1 GHz
f = 0.1 GHz
MAIN OUTPUT
Voltage Range
Minimum Output Voltage
Maximum Output Voltage2
General Limit
Available Output Current
Response Time
(Pin V_UP)
V_UP Connected to VSET
No Signal at RFIN, RL ≥ 10 kΩ
RL ≥ 10 kΩ
2.7 V ≤ VS ≤ 5.5 V
Sourcing/Sinking
10%–90%, 10 dB Step
f = 0.1 GHz (Worst Condition)
0.01
0.01
1.9
VS – 1.1
1/0.5
1.2
0.05
V
V
V
V
mA
ns
µV
0.02
2
VS – 1
2/1
70
100
Residual RF (at 2f)
INVERTED OUTPUT
Gain Referred to V_UP
Minimum Output Voltage
Maximum Output Voltage
Available Output Current
Output-Referred Noise
Response Time
(Pin V_DN)
V
DN = 2.25 V – 2 × VUP
–2
0.05
2.2
6/200
1.05
70
VS ≥ 3.3 V
0.01
2.1
4/100
0.1
2.5
V
V
VS ≥ 3.3 V3
Sourcing/Sinking
mA/µA
µV/√Hz
ns
RF Input = 2 GHz, –33 dBV, fNOISE = 10 kHz
10%–90%, 10 dB Input Step
–40 dBm to 0 dBm Input Step, to 95%
Full-Scale Settling Time
150
ns
SETPOINT INPUT
Voltage Range
Input Resistance
(Pin VSET)
Corresponding to Central 40 dB
0.15
7
1.2
V
kΩ
10
Logarithmic Scale Factor
f = 0.900 GHz
f = 1.900 GHz
20.7
19.7
mV/dB
mV/dB
ENABLE INTERFACE
Logic Level to Enable Power
Input Current when HI
(Pin ENBL)
HI Condition, –30°C ≤ TA ≤ +85°C
2.7 V at ENBL, –30°C ≤ TA ≤ +85°C
LO Condition, –30°C ≤ TA ≤ +85°C
1.6
VPOS
300
0.8
V
µA
V
20
Logic Level to Disable Power
–0.5
POWER INTERFACE
Supply Voltage
Quiescent Current
Over Temperature
Total Supply Current when Disabled
Over Temperature
(Pin VPOS)
2.7
3.0
2.7
3.0
4.5
4.4
20
5.5
5.7
6.6
95
V
mA
mA
µA
µA
–30°C ≤ TA ≤ +85°C
–30°C ≤ TA ≤ +85°C
40
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.
REV. 0
–2–