HI5746 Просмотр технического описания (PDF) - Intersil
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HI5746 Datasheet PDF : 16 Pages
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HI5746
Typical Performance Curves
9
8
7
fS = 40 MSPS, TA = 25oC
6
1
10
100
INPUT FREQUENCY (MHz)
FIGURE 3. EFFECTIVE NUMBER OF BITS (ENOB) vs INPUT
FREQUENCY
57
SNR
52
SINAD
47
42
fS = 40 MSPS, TA = 25oC
37
1
10
100
INPUT FREQUENCY (MHz)
FIGURE 4. SINAD AND SNR vs INPUT FREQUENCY
85
fS = 40 MSPS, TA = 25oC
80
-2HD
75
70
SFDR
-3HD
65
60
-THD
55
50
45
1
10
100
INPUT FREQUENCY (MHz)
NOTE: SFDR depicted here does not include any harmonic distortion.
FIGURE 5. -2HD, -3HD, -THD AND SFDR vs INPUT
FREQUENCY
10
fS = 40 MSPS, fIN = 10MHz, TA = 25oC
9.5
9
8.5
8
7.5
7
6.5
6
30
35
40
45
50
55
60
65 70
DUTY CYCLE (%, TH/TCLK)
FIGURE 7. EFFECTIVE NUMBER OF BITS (ENOB) vs
SAMPLE CLOCK DUTY CYCLE
9
fS = 40 MSPS, fIN = 10MHz, TA = 25oC
8
7
6
5
4
0
-5
-10
-15
-20
-25
-30 -35
INPUT LEVEL (dBFS)
FIGURE 6. EFFECTIVE NUMBER OF BITS (ENOB) vs
ANALOG INPUT LEVEL
9
fS = 40 MSPS, fIN = 10MHz, TA = 25oC
VREF+ - VREF- = 0.5V
8.8
8.6
8.4
8.2
2.25 2.3 2.35 2.4 2.45 2.5 2.55 2.6 2.65 2.7 2.75
VREF+ (V)
FIGURE 8. EFFECTIVE NUMBER OF BITS (ENOB) vs VREF +
8
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