Datasheet

AD7606/AD7606-6/AD7606-4 Data Sheet
Rev. C | Page 20 of 36
100
98
96
94
92
90
88
84
86
82
80
DYNAMIC RANGE (dB)
OVERSAMPLING RATIO
08479-026
±10V RANGE
±5V RANGE
AV
CC
, V
DRIVE
= 5V
T
A
= 25°C
INTERNAL REFERENCE
F
SAMPLE
SCALES WITH OS RATIO
OFF OS2 OS4 OS8 OS16 OS32 OS64
Figure 29. Dynamic Range vs. Oversampling Rate
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
–40 –25 –10 5 20 35 50 65 80
2.4980
REFOUT VOLTAGE (V)
TEMPERATURE (°C)
08479-029
AV
CC
= 4.75V
AV
CC
= 5V
AV
CC
= 5.25V
Figure 30. Reference Output Voltage vs. Temperature for
Different Supply Voltages
8
–10 –8 –6 –4 –2 1086420
–10
–8
–6
–4
–2
0
2
4
6
INPUT CURRENT (µA)
INPUT VOLTAGE (V)
08479-028
–40°C
+25°C
+85°C
AV
CC
, V
DRIVE
= 5V
F
SAMPLE
= 200kSPS
Figure 31. Analog Input Current vs. Temperature for Various Supply Voltages
22
20
18
16
14
12
10
8
AV
CC
SUPPLY CURRENT (mA)
OVERSAMPLING RATIO
08479-027
AV
CC
, V
DRIVE
= 5V
T
A
= 25°C
INTERNAL REFERENCE
F
SAMPLE
VARIES WITH OS RATE
NO OS OS2 OS4 OS8 OS16 OS32 OS64
Figure 32. Supply Current vs. Oversampling Rate
140
0 11001000900800700600500400300200100
60
70
80
90
100
110
120
130
POWER SUPPLY REJECTION RATIO (dB)
AV
CC
NOISE FREQUENCY (kHz)
08479-030
AV
CC
, V
DRIVE
= 5V
INTERNAL REFERENCE
AD7606 RECOMMENDED DECOUPLING USED
F
SAMPLE
= 200kSPS
T
A
= 25°C
±10V RANGE
±5V RANGE
Figure 33. PSRR