AD7606 Analog Devices, AD7606 Datasheet - Page 20

• Manufacturer Part Number: AD7606
• Description: 8-Channel DAS with 16-Bit, Bipolar, Simultaneous Sampling ADC
• Manufacturer: Analog Devices

Specifications of AD7606

• Resolution (bits): 16bit
• # Chan: 8
• Sample Rate: 200kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: Bip 10V,Bip 5.0V
• Adc Architecture: SAR
• Pkg Type: QFP

AD7606/AD7606-6/AD7606-4
Figure 31. Analog Input Current vs. Temperature for Various Supply Voltages
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
2.4980
100
–10
98
96
94
92
90
88
86
84
82
80
–2
–4
–6
–8
8
6
4
2
0
Figure 30. Reference Output Voltage vs. Temperature for
–10
–40
AV
T
INTERNAL REFERENCE
F
AV
F
AV
AV
Figure 29. Dynamic Range vs. Oversampling Rate
A
SAMPLE
SAMPLE
OFF
CC
CC
= 25°C
CC
CC
–8
–25
, V
, V
= 5V
= 4.75V
DRIVE
DRIVE
SCALES WITH OS RATIO
= 200kSPS
–6
OS2
–10
= 5V
= 5V
Different Supply Voltages
–4
OVERSAMPLING RATIO
OS4
INPUT VOLTAGE (V)
TEMPERATURE (°C)
5
–2
±10V RANGE
±5V RANGE
20
OS8
0
AV
CC
35
2
= 5.25V
OS16
4
50
OS32
6
65
OS64
+85°C
+25°C
–40°C
8
80
10
Rev. C | Page 20 of 36
140
130
120
110
100
22
20
18
16
14
12
10
NO OS
90
80
70
60
8
0
AV
T
INTERNAL REFERENCE
F
A
SAMPLE
Figure 32. Supply Current vs. Oversampling Rate
CC
100
= 25°C
, V
OS2
DRIVE
200
VARIES WITH OS RATE
±10V RANGE
= 5V
300
AV
AV
INTERNAL REFERENCE
AD7606 RECOMMENDED DECOUPLING USED
F
T
SAMPLE
A
CC
CC
OS4
= 25°C
OVERSAMPLING RATIO
Figure 33. PSRR
, V
400
NOISE FREQUENCY (kHz)
DRIVE
= 200kSPS
500
OS8
= 5V
±5V RANGE
600
700
OS16
800
Data Sheet
OS32
900
1000
OS64
1100