AD7367 Analog Devices, AD7367 Datasheet - Page 12

• Manufacturer Part Number: AD7367
• Description: True Bipolar Input, Dual 14-Bit, 2-Channel, Simultaneous Sampling SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7367

• Resolution (bits): 14bit
• # Chan: 4
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Bip,SE-Uni
• Ain Range: Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 5.0V,Uni (Vref) x 4,Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

AD7366/AD7367
Figure 11. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
110000
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
–100
–110
–120
–100
–105
–110
–70
–80
–90
–70
–75
–80
–85
–90
–95
0
0
0
V
31 CODES
DD
Figure 10. Histogram of Codes for 200k Samples
V
8191
CC
, ADC A
, ADC A
Figure 9. Channel-to-Channel Isolation
200
100
FREQUENCY OF INPUT NOISE (kHz)
SUPPLY RIPPLE FREQUENCY (kHz)
8192
V
CC
, ADC B
±5V RANGE
400
200
V
DD,
8193
ADC B
CODE
100mV p-p SINE WAVE ON AV
600
300
106091 CODES
NO DECOUPLING CAPACITOR
V
SS
8194
, ADC A
INTERNAL REFERENCE
V
AV
V
0V TO 10V RANGE
DD
800
400
DD
CC
= 15V, V
= 15V, V
±10V RANGE
= 5V, DV
8195
V
V
SS
f
V
f
1000
S
DRIVE
S
500
SS
DRIVE
, ADC B
SS
= 1MSPS
= 1MSPS
344 CODES
CC
= –15V
= –15V
8196
= 5V
= 3V
= 3V
CC
1200
600
Rev. D | Page 12 of 28
Figure 14. D
2.5050
2.5045
2.5040
2.5035
2.5030
2.5025
2.5020
2.5015
2.5010
2.5005
2.5000
0.300
0.250
0.200
0.150
0.100
0.50
–20
–40
80
60
40
20
0
100
0
0
0
Figure 12. Analog Input Current vs. Throughput Rate
OUT
AV
V
V
f
INTERNAL REFERENCE
S
Figure 13. V
DD
DRIVE
AV
V
V
= 1MSPS
CC
DD
DRIVE
Source Current vs. (V
200
= 15V, V
CC
10
= 5V, DV
= 15V, V
= 3V
= 5V, DV
= 3V
500
300
SS
20
REF
SS
CC
= –15V
THROUGHPUT RATE (kSPS)
CC
vs. Reference Output Current Drive
= –15V
= 5V
400
= 5V
CURRENT LOAD (µA)
30
1000
CURRENT (µA)
500
CC
40
− V
SOURCE CURRENT
600
OUT
V
1500
50
IN
) and D
V
INTERNAL REFERENCE
V
DRIVE
= 0V TO 10V
AV
DD
700
V
V
V
V
IN
IN
CC
IN
IN
= 15V, V
60
= 3V,
= +10V
= –10V
SINK CURRENT
OUT
= –5V
= +5V
= 5V, DV
800
2000
Sink Current vs. V
f
S
70
SS
= 1MSPS
900
CC
= –15V
= 5V
80
1000
2500
OUT