AD7877
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VCC = 2.7 V, VREF = 2.5 V, fSAMPLE = 125 kHz, fDCLK = 16 × fSAMPLE = 2 MHz, unless otherwise noted.
800
200
ADC, REF, AND DAC
180
700
160
ADC AND REF
140
600
120
100
500
–50
–30
–10
0
30
50
70
90
TEMPERATURE (°C)
Figure 5. Supply Current vs. Temperature
80
–50
–30
–10
10
30
50
70
90
TEMPERATURE (°C)
Figure 8. Full Power-Down IDD vs. Temperature
1000
900
ADC, REF, AND DAC
800
700
ADC AND REF
600
500
400
2.0 2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0
VCC (V)
Figure 6. Supply Current vs. VCC
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
–50
–30
–10
10
30
50
70
90
TEMPERATURE (°C)
Figure 9. Change in ADC Offset vs. Temperature
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
–50
–30
–10
10
30
50
70
90
TEMPERATURE (°C)
Figure 7. Change in ADC Gain vs. Temperature
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
500 1000 1500 2000 2500 3000 3500 4000
CODE
Figure 10. ACD INL Plot
Rev. A | Page 10 of 44