AD8315(2016) View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD8315 Datasheet PDF : 22 Pages
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Data Sheet
SPECIFICATIONS
VS = 2.7 V, T = 25°C, 52.3 Ω termination on RFIN, unless otherwise noted.
Table 1.
Parameter
OVERALL FUNCTION
Frequency Range1
Input Voltage Range
Equivalent dBm Range
Logarithmic Slope2
Logarithmic Intercept2
Equivalent dBm Level
RF INPUT INTERFACE
Input Resistance3
Input Capacitance3
OUTPUT
Minimum Output Voltage
Maximum Output Voltage
vs. Temperature4
General Limit
Output Current Drive
Output Buffer Noise
Output Noise
Small Signal Bandwidth
Slew Rate
Response Time
SETPOINT INTERFACE
Nominal Input Range
Logarithmic Scale Factor
Input Resistance
Slew Rate
ENABLE INTERFACE
Logic Level to Enable Power
Input Current when Enable
High
Logic Level to Disable Power
Enable Time
Disable Time
Power-On/Enable Time
Test Conditions/Comments
To meet all specifications
±1 dB log conformance, 0.1 GHz
0.1 GH
0.1 GHz
Pin RFIN
0.1 GHz
0.1 GHz
Pin VAPC
VSET ≤ 200 mV, ENBL high
ENBL low
RL ≥ 800 Ω
85°C, VPOS = 3 V, IOUT = 6 mA
2.7 V ≤ VPOS ≤ 5.5 V, RL = ∞
Source/Sink
RF input = 2 GHz, 0 dBm, fNOISE = 100 kHz, CFLT = 220 pF
0.2 V to 2.6 V swing
10% to 90%, 1.2 V step (VSET), open loop5
FLTR = open, see Figure 27
Pin VSET
Corresponding to central 50 dB
Pin ENBL
Time from ENBL high to VAPC within 1% of final value,
VSET ≤ 200 mV, refer to Figure 24
Time from ENBL low to VAPC within 1% of final value,
VSET ≤ 200 mV, refer to Figure 24
Time from VPOS/ENBL high to VAPC within 1% of final value,
VSET ≤ 200 mV, refer to Figure 29
Time from VPOS/ENBL low to VAPC within 1% of final value,
VSET ≤ 200 mV, refer to Figure 29
AD8315
Min Typ
Max Unit
0.1
−57
−44
21.5 24
−79 −70
−66 −57
2.5 GHz
−11 dBV
+2 dBm
25.5 mV/dB
−64 dBV
−51 dBm
2.8
kΩ
0.9
pF
0.25 0.27
0.02
2.45
2.54
VPOS − 0.1
5/200
25
130
30
13
150
0.3 V
V
2.6 V
V
V
mA/μA
nV√Hz
nV/√Hz
MHz
V/μs
ns
0.25
43.5
100
16
1.4 V
dB/V
kΩ
V/μs
1.8
20
4
8
2
100
VPOS V
μA
0.8 V
5 μs
9 μs
3 μs
200 ns
Rev. D | Page 3 of 22
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