Datasheet

Data Sheet AD7091R
Rev. 0 | Page 9 of 20
Figure 11. SINAD vs. Analog Input Frequency
for Various Supply Voltages
Figure 12. Histogram of Codes at Code Center (V
REF
/2)
Figure 13. t
SDO
Delay vs. SDO Capacitance Load and V
DRIVE
Figure 14. Reference Voltage Output vs. Current Load
for Various Temperatures
Figure 15. Operational I
DD
Supply Current vs. V
DD
Supply Voltage
for Various Temperatures
Figure 16. Operational I
DRIVE
Supply Current vs. V
DRIVE
Supply Voltage
for Various Temperatures
60
62
64
66
68
70
72
1 10 100
SINAD (dB)
INPUT FREQUENCY (kHz)
T
A
= 25°C
2.7V
3.0V
5.0V
10494-011
60
50
10
20
30
40
0
2046 2050204920482047
NUMBER OF OCCURRENCES (k)
CODE
10494-012
V
DD
= V
DRIVE
= 3V
65k SAMPLES
T
A
= 25°C
53423
56556458
0
2
4
6
8
10
12
10 20 30 40 50
t
SDO
DELAY (ns)
SDO CAPACITANCE LOAD (pF)
V
DRIVE
= 3V, –40°C
V
DRIVE
= 3V, +25°C
V
DRIVE
= 3V, +125°C
V
DRIVE
= 1.8V, +125°C
V
DRIVE
= 1.8V, +25°C
V
DRIVE
= 1.8V, –40°C
10494-013
2.484
2.486
2.488
2.490
2.492
2.494
2.496
2.498
2.500
2.502
0 20 40 60 80 100
V
REF
(V)
CURRENT LOAD (µA)
+25°C
–40°C
+85°C
+125°C
V
DD
= V
DRIVE
= 3V
10494-014
450
250
2.7
I
DD
SUPPLY CURRENT (µA)
V
DD
SUPPLY VOLTAGE (V)
10494-015
270
290
310
330
350
370
390
410
430
3.2 3.7 4.2 4.7 5.2
f
SAMPLE
= 1MSPS
–40°C
+25°C
+85°C
+125°C
90
0
1.65 2.65 3.65 4.65
I
DRIVE
SUPPLY CURRENT (µA)
V
DRIVE
SUPPLY VOLTAGE (V)
10494-031
10
20
30
40
50
60
70
80
f
SAMPLE
= 1MSPS
V
IN
= 0V
–40°C
+25°C
+85°C
+125°C