Datasheet

AD9271
Rev. B | Page 16 of 60
–2.0
0630
V
GAIN
(V)
TYPICAL PERFORMANCE CHARACTERISTICS
f
SAMPLE
= 50 MSPS, f
IN
= 5 MHz, LPF = 1/3 × f
SAMPLE
, HPF = 700 kHz, LNA gain = 6×.
2.0
1.0
1.5
–1.0
–0.5
0
0.5
–1.5
4-019
ABSOLUTE ERROR (dB)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
+85°C
+25°C
–40°C
Figure 18. Gain Error vs. V
GAIN
at Three Temperatures
20
10
4-120
PERCENT OF UNITS (%)
18
16
14
12
8
6
4
2
–1.0 –0.6
0630
GAIN ERROR (dB)
0
–0.8 –0.4 –0.2 0 0.40.2
0.6 0.8 1.0
SAMPLE SIZE = 720 CHANNELS
Figure 19. Gain Error Histogram with V
GAIN
= 0.1 V
06
GAIN ERROR (dB)
–1.0 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0
304-116
PERCENT OF UNITS (%)
16
14
12
10
8
6
4
2
SAMPLE SIZE = 720 CHANNELS
Figure 20. Gain Error Histogram with V
GAIN
= 0.5 V
25
0
–1.0 –0.6
06304-121
GAIN ERROR (dB)
PERCENT OF UNITS (%)
20
15
10
5
–0.8 –0.4 –0.2 0 0.40.2
0.6 0.8 1.0
SAMPLE SIZE = 720 CHANNELS
Figure 21. Gain Error Histogram with V
GAIN
= 0.9 V
06304-118
PERCENT OF UNITS (%)
CHANNEL-TO-CHANNEL GAIN MATCHING (dB)
0
30
25
20
15
10
–1.25 –1.00 –0.75 –0.50 –0.25 0 0.25 0.50 0.75 1.00 1.25
5
Figure 22. Gain Match Histogram for V
GAIN
= 0.2 V
06304-117
PERCENT OF UNITS (%)
CHANNEL-TO-CHANNEL GAIN MATCHING (dB)
0
30
25
20
15
10
–1.25 –1.00 –0.75 –0.50 –0.25 0 0.25 0.50 0.75 1.00 1.25
5
Figure 23. Gain Match Histogram for V
GAIN
= 0.8 V