AD9279-65EBZ 데이터 시트보기 (PDF) - Analog Devices
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AD9279-65EBZ Datasheet PDF : 44 Pages
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AD9279
Parameter1
Test Conditions/Comments
Min
Input-Referred Noise Voltage
GAIN+ = 1.6 V, RFB = ∞
LNA gain = 15.6 dB
LNA gain = 17.9 dB
LNA gain = 21.3 dB
Noise Figure
GAIN+ = 1.6 V, RS = 50 Ω
Active Termination Matched LNA gain = 15.6 dB, RFB = 200 Ω
LNA gain = 17.9 dB, RFB = 250 Ω
LNA gain = 21.3 dB, RFB = 350 Ω
Unterminated
LNA gain = 15.6 dB, RFB = ∞
LNA gain = 17.9 dB, RFB = ∞
LNA gain = 21.3 dB, RFB = ∞
Correlated Noise Ratio
No signal, correlated/uncorrelated
Output Offset
−35
Signal-to-Noise Ratio (SNR)
fIN = 5 MHz at −10 dBFS, GAIN+ = 0 V,
fIN = 5 MHz at −1 dBFS, GAIN+ = 1.6 V
Harmonic Distortion
Second Harmonic
fIN = 5 MHz at −10 dBFS, GAIN+ = 0 V
fIN = 5 MHz at −1 dBFS, GAIN+ = 1.6 V
Third Harmonic
fIN = 5 MHz at −10 dBFS, GAIN+ = 0 V
fIN = 5 MHz at −1 dBFS, GAIN+ = 1.6 V
Two-Tone Intermodulation (IMD3)
fRF1 = 5.015 MHz, fRF2 = 5.020 MHz,
ARF1 = 0 dB, ARF2 = −20 dB, GAIN+ =
1.6 VIMD3 relative to ARF2
Channel-to-Channel Crosstalk
fIN1 = 5.0 MHz at −1 dBFS
Overrange condition2
Channel-to-Channel Delay
Variation
Full TGC path, fIN = 5 MHz, GAIN+ = 0 V to
1.6 V
GAIN ACCURACY
25°C
Gain Law Conformance Error
0 < GAIN+ < 0.16 V
0.16 V < GAIN+ < 1.44 V
−1.6
1.44 V < GAIN+ < 1.6 V
Linear Gain Error
GAIN+ = 0.8 V, normalized for ideal AAF −1.6
loss
Channel-to-Channel Matching 0.16 V < GAIN+ < 1.44 V
PGA Gain
GAIN CONTROL INTERFACE
Control Range
Differential
−0.8
Single-ended
0
Gain Range
GAIN+ = 0 V to 1.6 V
Scale Factor
Response Time
45 dB change
Gain+ Impedance
Single-ended
Gain− Impedance
Single-ended
CW DOPPLER MODE
LO Frequency
fLO = f4LO/4
1
Phase Resolution
Per channel
Output DC Bias (Single-Ended) CWI+, CWI−, CWQ+, CWQ−
Output AC Current Range
Per CWI+, CWI−, CWQ+, CWQ−, each
channel enabled
Transconductance (Differential)
Demodulated IOUT/VIN, per CWI+, CWI−,
CWQ+, CWQ−
LNA gain = 15.6 dB
LNA gain = 17.9 dB
LNA gain = 21.3 dB
Rev. 0 | Page 4 of 44
Typ
Max
1.12
0.96
0.81
5.6
4.5
3.3
3.5
2.9
2.3
−30
+35
67
59
−72
−72
−69
−59
−70
−60
−55
0.3
0.5
+1.6
0.5
+1.6
0.1
21/24/27/30
+0.8
1.6
45
28.0
750
10
70
10
22.5
1.5
±1.25
Unit
nV/√Hz
nV/√Hz
nV/√Hz
dB
dB
dB
dB
dB
dB
dB
LSB
dBFS
dBFS
dBc
dBc
dBc
dBc
dBc
dB
dB
Degrees
dB
dB
dB
dB
dB
dB
V
V
dB
dB/V
ns
MΩ
kΩ
MHz
Degrees
V
mA
1.8
mA/V
2.4
mA/V
3.5
mA/V
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