AD9272-80 데이터 시트보기 (PDF) - Analog Devices
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AD9272-80 Datasheet PDF : 44 Pages
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AD9272
AD9272-40
AD9272-65
AD9272-80
Parameter 1
Conditions
Min Typ
Max Min Typ
Max Min Typ
Max Unit
GAIN ACCURACY
25°C
Gain Law Confor- 0 V < GAIN+ <
1.5
1.5
1.5
dB
mance Error
0.16 V
0.16 V < GAIN+ < −1.5
1.44 V
+1.5 −1.5
+1.5 −1.6
+1.6 dB
1.44 V < GAIN+ <
−2.5
−2.5
−2.5
dB
1.6 V
Linear Gain Error GAIN+ = 0.8 V,
−1.5
normalized for
ideal AAF loss
+1.5 −1.5
+1.5 −1.6
+1.6 dB
Channel-to-Channel 0.16 V < GAIN+ <
0.1
0.1
0.1
dB
Matching
1.44 V
GAIN CONTROL
INTERFACE
Normal Operating
Range
0
1.6 0
1.6 0
1.6 V
Gain Range
GAIN+ = 0 V to
42
42
42
dB
1.6 V
Scale Factor
28.5
28.5
28.5
dB/V
Response Time
42 dB change
750
750
750
ns
Gain+ Impedance Single-ended
10
10
10
MΩ
Gain− Impedance Single-ended
70
70
70
kΩ
CW DOPPLER MODE
Transconductance
(differential)
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB
5.4/7.3/10.9
5.4/7.3/10.9
5.4/7.3/10.9
mA/V
Output Level Range CW Doppler
1.5
(differential)
output pins
3.6 1.5
3.6 1.5
3.6 V
Input-Referred
Noise Voltage
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB,
RS = 0 Ω,
RFB = ∞,
RL = 675 Ω
2.35/1.82/1.31
2.35/1.82/1.31
2.35/1.82/1.31
nV/√Hz
Input-Referred
Dynamic Range
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB,
RS = 0 Ω,
RFB = ∞
161/161/160
161/161/160
161/161/160
dBFS/√Hz
Two-Tone IMD3
fIN1 = 5.0 MHz at
−70
−70
−70
dBc
(2 × F1 − F2)
−1 dBFS (FS at LNA
Distortion
input),
fIN2 = 5.01 MHz at
−21 dBFS (FS at
LNA input),
LNA gain = 21.3 dB
Output DC Bias
Per channel
2.4
2.4
2.4
mA
(single-ended)
Maximum Output Per channel
±2
±2
±2
mA p-p
Swing (single-
ended)
POWER SUPPLY
AVDD1
1.7 1.8
1.9 1.7 1.8
1.9 1.7 1.8
1.9 V
AVDD2
2.7 3.0
3.6 2.7 3.0
3.6 2.7 3.0
3.6 V
DRVDD
1.7 1.8
1.9 1.7 1.8
1.9 1.7 1.8
1.9 V
Rev. C | Page 6 of 44
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