Datasheet

AD7366/AD7367
Rev. D | Page 12 of 28
–70
–85
–80
–75
–90
–95
–100
–105
–110
0 100 200 300 400 500 600
CHANNEL-TO-CHANNEL ISOLATION (dB)
FREQUENCY OF INPUT NOISE (kHz)
AV
CC
= 5V, DV
CC
= 5V
V
DD
= 15V, V
SS
= –15V
V
DRIVE
= 3V
f
S
= 1MSPS
INTERNAL REFERENCE
0V TO 10V RANGE
±5V RANGE
±10V RANGE
06703-009
Figure 9. Channel-to-Channel Isolation
31 CODES 344 CODES
8191 8192 8193 819681958194
CODE
06703-010
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
110000
106091 CODES
Figure 10. Histogram of Codes for 200k Samples
–70
–80
–90
–100
–110
–120
0 200 400 12001000800600
PSRR (dB)
SUPPLY RIPPLE FREQUENCY (kHz)
V
CC
, ADC A
V
DD,
ADC B
V
DD
, ADC A
V
CC
, ADC B
100mV p-p SINE WAVE ON AV
CC
NO DECOUPLING CAPACITOR
V
DD
= 15V, V
SS
= –15V
V
DRIVE
= 3V
f
S
= 1MSPS
V
SS
, ADC A
06703-011
V
SS
, ADC B
Figure 11. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
80
60
40
20
0
–20
–40
100 200 300 400 500 600 700 800 900 1000
ANALOG INPUT CURRENT (µA)
THROUGHPUT RATE (kSPS)
V
IN
= 0V TO 10V
V
IN
= +5V
V
IN
= +10V
V
IN
= –5V
V
IN
= –10V
AV
CC
= 5V, DV
CC
= 5V
V
DD
= 15V, V
SS
= –15V
V
DRIVE
= 3V
f
S
= 1MSPS
INTERNAL REFERENCE
06703-012
Figure 12. Analog Input Current vs. Throughput Rate
2.5050
2.5025
2.5030
2.5035
2.5040
2.5045
2.5020
2.5015
2.5010
2.5005
2.5000
0 10 20 30 40 50 60 70 80
V
REF
(V)
CURRENT LOAD (µA)
AV
CC
= 5V, DV
CC
= 5V
V
DD
= 15V, V
SS
= –15V
V
DRIVE
= 3V
06703-013
Figure 13. V
REF
vs. Reference Output Current Drive
0.250
0.300
0.200
0.150
0.100
0.50
0
0 500 1000 1500 2000 2500
V
OUT
OR V
CC
– V
OUT
(V)
CURRENT (µA)
06703-014
SINK CURRENT
SOURCE CURRENT
AV
CC
= 5V, DV
CC
= 5V
V
DD
= 15V, V
SS
= –15V
V
DRIVE
= 3V, f
S
= 1MSPS
INTERNAL REFERENCE
Figure 14. D
OUT
Source Current vs. (V
CC
− V
OUT
) and D
OUT
Sink Current vs. V
OUT