AD7606/AD7606-6/AD7606-4
4
3
98
96
94
92
90
88
86
84
82
80
5V RANGE
2
1
10V RANGE
0
–1
–2
–3
OS BY 64
OS BY 32
OS BY 16
OS BY 8
OS BY 4
OS BY 2
NO OS
AV , V
CC DRIVE
= 5V
F
CHANGES WITH OS RATE
SAMPLE
= 25°C
200kSPS
AV , V
T
A
= 5V
INTERNAL REFERENCE
±5V RANGE
CC DRIVE
EXTERNAL REFERENCE
35 50 65 80
TEMPERATURE (°C)
–4
–40
–25
–10
5
20
10
100
1k
10k
100k
INPUT FREQUENCY (Hz)
Figure 23. Bipolar Zero Code Error Matching Between Channels
Figure 26. SNR vs. Input Frequency for Different Oversampling Rates, 5 V Range
–40
100
98
96
94
92
90
88
±10V RANGE
AV , V
= +5V
CC DRIVE
–50
–60
F
= 200kSPS
SAMPLE
R
MATCHED ON Vx AND VxGND INPUTS
SOURCE
–70
–80
105kΩ
48.7kΩ
23.7kΩ
10kΩ
5kΩ
1.2kΩ
100Ω
51Ω
–90
86
84
82
80
OS BY 64
OS BY 32
OS BY 16
OS BY 8
OS BY 4
OS BY 2
NO OS
–100
–110
–120
AV , V
CC DRIVE
= 5V
F
CHANGES WITH OS RATE
SAMPLE
= 25°C
T
A
INTERNAL REFERENCE
±10V RANGE
0Ω
1k
10k
100k
10
100
1k
10k
100k
INPUT FREQUENCY (Hz)
INPUT FREQUENCY (Hz)
Figure 24. THD vs. Input Frequency for Various Source Impedances,
10 V Range
Figure 27. SNR vs. Input Frequency for Different Oversampling Rates, 10 V Range
–40
–50
±5V RANGE
AV , V
CC DRIVE
INTERNAL REFERENCE
AD7606 RECOMMENDED DECOUPLING USED
= 5V
AV , V
= +5V
CC DRIVE
–60
–70
–50
–60
F
= 200kSPS
SAMPLE
R
MATCHED ON Vx AND VxGND INPUTS
F
T
= 150kSPS
SOURCE
SAMPLE
= 25°C
A
INTERFERER ON ALL UNSELECTED CHANNELS
–80
–70
–90
±10V RANGE
±5V RANGE
–80
–100
–110
–120
–130
–140
105kΩ
48.7kΩ
23.7kΩ
10kΩ
5kΩ
1.2kΩ
100Ω
51Ω
–90
–100
–110
–120
0Ω
1k
10k
100k
0
20
40
60
80
100
120
140
160
INPUT FREQUENCY (Hz)
NOISE FREQUENCY (kHz)
Figure 25. THD vs. Input Frequency for Various Source Impedances,
5 V Range
Figure 28. Channel-to-Channel Isolation
Rev. 0 | Page 19 of 36
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