EVAL-AD7327CB AD [Analog Devices], EVAL-AD7327CB Datasheet - Page 11

• Manufacturer Part Number: EVAL-AD7327CB
• Description: 500 kSPS, 8-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC
• Manufacturer: AD [Analog Devices]

–100
–100
for Single-Ended (SE) and True Differential Mode (Diff) at 3 V V
for Single-Ended (SE) and True Differential Mode (Diff) at 5 V V
for Single-Ended (SE) and True Differential Mode (Diff) at 3 V V
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
80
75
70
65
60
55
50
10
10
10
V
V
T
f
INTERNAL REFERENCE
V
V
T
f
INTERNAL REFERENCE
S
S
CC
DD
A
A
CC
DD
= 500kSPS
= 500kSPS
= 25°C
= 25°C
/V
/V
Figure 12. SINAD vs. Analog Input Frequency
= V
= V
Figure 10. THD vs. Analog Input Frequency
Figure 11. THD vs. Analog Input Frequency
SS
SS
DRIVE
DRIVE
= ±12V
= ±12V
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
= 3V
= 5V
0V TO +10V SE
100
100
100
±2.5V DIFF
±5V SE
±5V DIFF
0V TO +10V SE
V
V
T
f
INTERNAL REFERENCE
S
0V TO +10V SE
A
CC
DD
= 500kSPS
= 25°C
/V
= V
0V TO +10V DIFF
±10V SE
SS
±2.5V SE
±2.5V DIFF
±5V SE
DRIVE
±10V SE
0V TO +10V DIFF
±2.5V SE
0V TO +10V DIFF
= ±12V
±10V SE
±5V DIFF
±5V SE
±5V DIFF
±2.5V SE
±10V DIFF
±10V DIFF
±10V DIFF
±2.5V DIFF
= 3V
1000
1000
1000
CC
CC
CC
Rev. 0 | Page 11 of 36
for Single-Ended (SE) and True Differential Mode (Diff) at 5 V V
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
10k
80
75
70
65
60
55
50
9k
8k
7k
6k
5k
4k
3k
2k
1k
10
0
0
Figure 15. Histogram of Codes, True Differential Mode
Figure 13. SINAD vs. Analog Input Frequency
–2
0
Figure 14. Channel-to-Channel Isolation
100
FREQUENCY OF INPUT NOISE (kHz)
ANALOG INPUT FREQUENCY (kHz)
228
–1
200
V
CC
V
SINGLE-ENDED MODE
f
T
50kHz ON SELECTED CHANNEL
±10V SE
S
±5V DIFF
DD
A
= 3V
CODE
100
= 500kSPS
300
9469
= 25°C
/V
0
SS
= ±12V
V
V
T
f
INTERNAL REFERENCE
±2.5V DIFF
S
0V TO +10V SE
A
CC
DD
= 500kSPS
= 25°C
/V
V
400
= V
CC
SS
303
V
V
RANGE = ±10V
10k SAMPLES
T
DRIVE
1
= 5V
A
= ±12V
CC
DD
0V TO +10V DIFF
= 25°C
/V
±5V SE
±2.5V SE
= 5V
SS
±10V DIFF
= 5V
500
= ±12V
AD7327
0
2
1000
600
CC