Typical Performance Characteristics - Analog Devices AD9273 Manual

TYPICAL PERFORMANCE CHARACTERISTICS

f = 40 MSPS, f = 5 MHz, R
SAMPLE IN
HPF = LPF cutoff/20.7 (default), GAIN− = 0.8 V
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0 0.2 0.4 0.6
Figure 6. Gain Error vs. GAIN+ at Three Temperatures
20
18
16
14
12
10
8
6
4
2
0
GAIN ERROR (dB)
Figure 7. Gain Error Histogram, GAIN+ = 0.16 V
14
12
10
8
6
4
2
0
GAIN ERROR (dB)
Figure 8. Gain Error Histogram, GAIN+ = 0.8 V
= 50 Ω, LNA gain = 21.3 dB, LNA bias = mid-high, PGA gain = 24 dB, AAF LPF cutoff = f
S
–40°C
+25°C
+85°C
0.8 1.0 1.2 1.4 1.6
GAIN+ (V)
14
12
10
8
6
4
2
0
Figure 9. Gain Error Histogram, GAIN+ = 1.44 V
25
20
15
10
5
0
–1.25 –1.00 –0.75 –0.50 –0.25
Figure 10. Gain Match Histogram, GAIN+ = 0.3 V
25
20
15
10
5
0
–1.25 –1.00 –0.75 –0.50 –0.25
Figure 11. Gain Match Histogram, GAIN+ = 1.3 V
Rev. B | Page 15 of 48
GAIN ERROR (dB)
0 0.25 0.50 0.75 1.00 1.25
CHANNEL-TO-CHANNEL GAIN MATCHING (dB)
0 0.25 0.50 0.75 1.00 1.25
CHANNEL-TO-CHANNEL GAIN MATCHING (dB)
AD9273
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SAMPLE