Changes To Gain Control Interface Parameter And To Cw Doppler Mode Parameter, Table 1 - Analog Devices AD9273 Manual

AD9273
1
Parameter Conditions
GAIN ACCURACY 25°C
Gain Law Confor- 0 V < GAIN+
mance Error < 0.16 V
0.16 V < GAIN+
< 1.44 V
1.44 V < GAIN+
< 1.6 V
Linear Gain Error GAIN+ = 0.8 V,
normalized for
ideal AAF loss
Channel-to-Channel 0.16 V < GAIN+
Matching < 1.44 V
GAIN CONTROL
INTERFACE
Normal Operating
Range
Gain Range GAIN+ =
0 V to 1.6 V
Scale Factor
Response Time 42 dB change
Gain+ Impedance Single ended
Gain− Impedance Single ended
CW DOPPLER MODE
Transconductance Differential,
LNA gain =
15.6 dB/
17.9 dB/
21.3 dB
Output Level Range Differential,
CW Doppler
output pins
Input-Referred LNA gain =
Noise Voltage 15.6 dB/
17.9 dB/
21.3 dB,
R = 0 Ω,
S
R = ∞,
FB
R = 675 Ω
L
Input-Referred LNA gain =
Dynamic Range 15.6 dB/
17.9 dB/
21.3 dB,
R = 0 Ω,
S
R = ∞
FB
Two-Tone IMD3 f = 5.0 MHz at
IN1
(2 × F1 − F2) −1 dBFS (FS at
Distortion LNA input), f
5.01 MHz at
−21 dBFS (FS at
LNA input), LNA
gain = 21.3 dB
Output DC Bias Single ended,
per channel
Maximum Output Single ended,
Swing per channel
POWER SUPPLY
AVDD1
AVDD2
DRVDD
I Full-channel
AVDD1
mode
CW Doppler
mode with four
channels
enabled
AD9273-25
Min Typ
1.5
−1.6
−2.5
−1.6
0.1
0
42
28
750
10
70
5.4/7.3/10.9
1.5
2.6/2.1/1.6
160/159/158
−70
=
IN2
2.4
±2
1.7 1.8
2.7 3.0
1.7 1.8
158
32
AD9273-40
Max Min Typ
1.5
+1.6 −1.6
−2.5
+1.6 −1.6
0.1
1.6 0
42
28
750
10
70
5.4/7.3/10.9
3.6 1.5
2.6/2.1/1.6
160/159/158
−70
2.4
±2
1.9 1.7 1.8
3.6 2.7 3.0
1.9 1.7 1.8
186
32
Rev. B | Page 6 of 48
AD9273-50
Max Min Typ
1.5
+1.6 −1.7
−2.5
+1.6 −1.7
0.1
1.6 0
42
28
750
10
70
5.4/7.3/10.9
3.6 1.5
2.6/2.1/1.6
160/159/158
−70
2.4
±2
1.9 1.7 1.8
3.6 2.7 3.0
1.9 1.7 1.8
223
32
Max Unit
dB
+1.7 dB
dB
+1.7 dB
dB
1.6 V
dB
dB/V
ns
MΩ
kΩ
mA/V
3.6 V
nV/√Hz
dBFS/√Hz
dBc
mA
mA p-p
1.9 V
3.6 V
1.9 V
mA
mA