ADA4941-1_15 Datasheet, PDF (13/25 Pages) Analog Devices – Single-Supply, Differential 18-Bit ADC Driver

ADA4941-1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
0.001
0.01
+PSRR
–PSRR
0.1
1
10
FREQUENCY (MHz)
100
1000
Figure 29. Power Supply Rejection Ratio vs. Frequency
3.5
V_PD = V_S–
3.0
V_S = +5V
2.5
V_S = ±5V
2.0
V_S = +3V
1.5
1.0
–40 –20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Figure 30. Power Supply Current vs. Temperature
150
125
V_OS_A2 = 10V
100
V_OS_A2 = 5V
75
V_OS_A2 = 3V
50
V_OS_A1 10V
25
V_OS_A1 = 3V
0
–40 –20 0
V_OS_A1 = 5V
20 40 60 80
TEMPERATURE (°C)
100 120
Figure 31. Differential Output Offset Voltage vs. Temperature
0.18
±5V SUPPLIES, POSITIVE RAIL
0.16
0.14
±5V SUPPLIES, NEGATIVE RAIL
0.12
0.10
+5V SUPPLIES, POSITIVE RAIL
+5V SUPPLIES, NEGATIVE RAIL
0.08
0.06
+3V SUPPLIES, POSITIVE RAIL
0.04
–40 –20
+3V SUPPLIES, NEGATIVE RAIL
0
20 40 60 80 100 120
TEMPERATURE (°C)
Figure 32. Output Saturation Voltage vs. Temperature
2.5
I_CC @ V_S = ±5V
2.0 _{ICC @ VS = +3V}
I_CC @ V_S = +5V
1.5
1.0
0.5
0
–0.5
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
DISABLE INPUT VOLTAGE WITH RESPECT TO V_S– (V)
Figure 33. Power Supply Current vs. Disable Voltage
140
V_OS1
MEAN = –8µV
120 STD. DEV = 47µV
V_OS2
100 MEAN = 11µV
STD. DEV = 20µV
80 NO. OF UNITS = 611
60
40
20
0
OFFSET VOLTAGE (µV)
Figure 34. Differential Output Offset Distribution
Rev. C | Page 12 of 24