AD7568BSZ Ver la hoja de datos (PDF) - Analog Devices
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AD7568BSZ Datasheet PDF : 14 Pages
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AD7568–Typical Performance Curves
5.5
5.0
VDD = +5V
4.5
TA = +25°C
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
1.0
2.0
3.0
4.0
5.0
DIGITAL INPUT – Volts
Figure 3. Supply Current vs. Logic
Input Voltage
2
VDD = +5V
VIH = +2.4V
1
VIH = +4V
0
–40
–15
10
35
60
85
TEMPERATURE – °C
Figure 4. Supply Current vs.
Temperature
1.0
0.9
VDD = +5V
TA = +25°C
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.0
4.0
6.0
8.0
10.0
VREF – Volts
Figure 5. Differential Nonlinearity
Error vs. VREF
1.0
0.9
VDD = +5V
TA = +25°C
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.0
4.0
6.0
8.0
10.0
VREF – Volts
Figure 6. Integral Nonlinearity Error
vs. VREF
1.0
VREF = +10V
0.8
VDD = +5V
TA = +25°C
0.6
0.4
0.2
0.0
0
2048
DIGITAL CODE
4095
Figure 7. Typical DAC to DAC
Linearity Matching
–50
–55
VDD = +5V
–60
TA = +25°C
VIN = 6V rms
–65
OP AMP = AD713
–70
–75
–80
–85
–90
–95
–100
10 2
10 3
10 4
10 5
FREQUENCY – Hz
Figure 8. Total Harmonic Distortion
vs. Frequency
5V
100
DIGITAL INPUTS
90
AD713 OUTPUT
200ns
VDD = +5V
TA= +25°C
VREF = +10V
OP AMP = AD713
10
0%
50mV
200ns
Figure 9. Digital-to-Analog Glitch
Impulse
0
–10
–20
–30
VREF C = 20V pk-pk SINE WAVE
ALL OTHER REFERENCE INPUTS GROUNDED
DAC C LOADED WITH ALL 1s
ALL OTHER DACs LOADED WITH ALL 0s
–40
–50
–60
–70
–80
–90
–100
10 3
10 4
10 5
10 6
FREQUENCY – Hz
Figure 10. Channel-to-Channel
Isolation (1 DAC to 1 DAC)
0
–10
–20
–30
VREF B GROUNDED
ALL OTHER REFERENCE INPUTS =
20V pk-pk SINE WAVE
DAC B LOADED WITH ALL 0s
ALL OTHER DACs LOADED WITH ALL 1s
–40
–50
–60
–70
–80
–90
–100
10 3
10 4
10 5
10 6
FREQUENCY – Hz
Figure 11. Channel-to-Channel
Isolation (1 DAC to All Other DACs)
–6–
REV. C
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