DAC3282_15 Datasheet, PDF (12/65 Pages) Texas Instruments – DAC3282 16-Bit, 625 MSPS, 2x Interpolating, Dual-Channel Digital-to-Analog Converter (DAC)

DAC3282
SLAS646C – DECEMBER 2009 – REVISED MAY 2015
6.9 Typical Characteristics
5
INL
4
3
2
1
0
-1
-2
-3
-4
-5
0 10000 20000 30000 40000 50000 60000 70000
Code
Figure 1. Integral Non-Linearity
90
f_DAC = 625 MSPS, 2x Interpolation,
85 ^{IOUTFS = 20 mA}
80
75
0 dBFS
70
-6 dBFS
65
60 -12 dBFS
55
50
0
50
100
150
200
250
f_OUT - Output Frequency - MHz
Figure 3. SFDR vs Input Scale
80
2x interpolation, 0 dBFS,
IOUTS = 20 mA
75
f_DAC = 200 MSPS
70
65
f_DAC = 400 MSPS
60
f_DAC = 600 MSPS
55
50
0
50
100
150
200
250
f_OUT - Output Frequency - MHz
Figure 5. SFDR vs f_DAC
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5
DNL
4
3
2
1
0
-1
-2
-3
-4
-5
0 10000 20000 30000 40000 50000 60000 70000
Code
Figure 2. Differential Non-Linearity
90
f_DAC = 312.5 MSPS, 0 dBFS,
85 ^{IOUTFS = 20 mA}
80
75
70
1x Interpolation
65
60
2x Interpolation
55
50
0
20
40
60
80
100 120
f_OUT - Output Frequency - MHz
Figure 4. SFDR vs Interpolation
90
f_DAC = 625 MSPS, 2x interpolation,
85 0 dBFS
80
75
2 mA
70
65
60
20 mA
10 mA
55
50
0
50
100
150
200
250
f_OUT - Output Frequency - MHz
Figure 6. SFDR vs I_OUTFS
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