AD9271 Analog Devices, AD9271 Datasheet - Page 5

• Manufacturer Part Number: AD9271
• Description: Octal LNA/VGA/AAF/ADC and Crosspoint Switch
• Manufacturer: Analog Devices

Specifications of AD9271

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 50MSPS
• Interface: LVDS,Ser
• Analog Input Type: SE-Uni
• Ain Range: 0.25 V p-p,0.32 V p-p,0.4 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

Parameter
GAIN ACCURACY
GAIN CONTROL
CW DOPPLER MODE
Harmonic Distortion
Two-Tone IMD3
Channel-to-Channel
Channel-to-Channel
Overload Recovery
Gain Law Confor-
Linear Gain Error
Channel-to-Channel
INTERFACE
Normal Operating
Gain Range
Scale Factor
Response Time
Transconductance
Common Mode
Input-Referred Noise
Output DC Bias
Maximum Output
Second Harmonic
Second Harmonic
Third Harmonic
Third Harmonic
(2 × F1 − F2)
Distortion
f
at −7 dBFS,
f
at −7 dBFS
Crosstalk
Crosstalk (Over-
range Condition)
mance Error
Matching
Range
Voltage
Swing
IN1
IN2
f
at −7 dBFS
f
at −1 dBFS
f
at −7 dBFS
f
at −1 dBFS
= 5.0 MHz
= 6.0 MHz
IN
IN
IN
IN
= 5 MHz
= 5 MHz
= 5 MHz
= 5 MHz
1
3
Conditions
V
V
V
V
V
Full TGC path,
f
gain = 0 V to 1 V
25°C
0 < V
0.1 V < V
0.9 V < V
V
normalized for ideal
AAF loss
0.1 V < V
0 V to 1 V, normalized
for ideal AAF loss
30 dB change
LNA gain = 5/6/8
CW Doppler
output pins
LNA gain = 5/6/8,
R
Per channel
Per channel
IN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
S
= 1 MHz to 10 MHz,
= 0 Ω, RFB = ∞
GAIN
= 0.5 V,
= 0 V
= 1 V
= 0 V
= 1 V
= 1 V
GAIN
GAIN
< 0.1 V
GAIN
< 0.9 V
< 0.9 V
< 1 V
Min
−1.2
−1.3
0
1.5
−73
−80
−81
−65
−54.6
−70
−70
5
+0.8
−1.2
0.2
10 to 40
31.6
350
10/12/16
1.8 /1.7/1.5
2.4
±2
Typ
AD9271-25
Rev. B | Page 5 of 60
+1.2
+1.3
1
3.6
Max
Min
−1.2
−1.3
0
1.5
Typ
−71
−72
−77
−63
−63.4
−70
−70
5
+0.8
−1.2
0.2
10 to 40
31.6
350
10/12/16
1.7 /1.5/1.4
2.4
±2
AD9271-40
Max
+1.2
+1.3
1
3.6
Min
−1.2
−1.3
0
1.5
Typ
−71
−68
−74
−66
−68.5
−70
−70
5
+0.8
−1.2
0.2
10 to 40
31.6
350
10/12/16
1.7 /1.5/1.3
2.4
±2
AD9271-50
Max
+1.2
+1.3
1
3.6
AD9271
ns
nV/√Hz
mA
mA p-p
Unit
dBFS
dBFS
dBFS
dBFS
dBc
dB
dB
Degrees
dB
dB
dB
dB
dB
V
dB
dB/V
mA/V
V