Datasheet

AD7993/AD7994
Rev. 0 | Page 14 of 32
SUPPLY CURRENT (mA)
SUPPLY VOLTAGE (V)
03473-0-016
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.7 3.2 3.7 4.2 4.7 5.2
MODE 2 - 147kSPS
MODE 1 - 121kSPS
TEMPERATURE = +85°C
TEMPERATURE = +25°C
TEMPERATURE = –40°C
TEMPERATURE = +85°C
TEMPERATURE = +25°C
TEMPERATURE = –40°C
Figure 16. AD7994 Average Supply Current vs. Supply Voltage
for Various Temperatures
03473-0-017
10.4
10.6
10.8
11.0
11.2
11.4
11.6
11.8
12.0
1.200 2.048 2.500 2.700 3.000 3.300 4.096 4.500 5.000
REFERENCE VOLTAGE (V)
ENOB (BITS)
68
69
70
71
72
73
74
SINAD (dB)
ENOB V
DD
= 3V
ENOB V
DD
= 5V
SINAD V
DD
= 3V
SINAD V
DD
= 5V
Figure 17. AD7994 SINAD/ENOB vs. Reference Voltage,
Mode 1, 121 kSPS