AD7607 Analog Devices, AD7607 Datasheet - Page 16

• Manufacturer Part Number: AD7607
• Description: 8-Channel DAS with 14-Bit, Bipolar, Simultaneous Sampling ADC
• Manufacturer: Analog Devices

Specifications of AD7607

• Resolution (bits): 14bit
• # Chan: 8
• Sample Rate: 200kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: SE-Bip
• Ain Range: Bip 10V,Bip 5.0V
• Adc Architecture: SAR
• Pkg Type: QFP

AD7607
Figure 23. THD vs. Input Frequency for Various Source Impedances,
–100
–110
–120
–0.05
–0.10
–0.15
–0.20
–0.25
–0.25
–0.50
–0.75
–1.00
–40
–50
–60
–70
–80
–90
0.25
0.20
0.15
0.10
0.05
1.00
0.75
0.50
0.25
Figure 22. Bipolar Zero Code Error Matching vs. Temperature
1k
0
0
–40
–40
±10V RANGE
AV
f
R
SAMPLE
Figure 21. Bipolar Zero Code Error vs. Temperature
SOURCE
CC
, V
–25
–25
DRIVE
= 200kSPS
10V RANGE
MATCHED ON Vx AND VxGND INPUTS
5V RANGE
5V RANGE
–10
–10
= +5V
10V RANGE
INPUT FREQUENCY (Hz)
TEMPERATURE (°C)
TEMPERATURE (°C)
±10 V Range
5
5
10k
20
20
35
35
200kSPS
AV
EXTERNAL REFERENCE
200kSPS
AV
EXTERNAL REFERENCE
CC
CC
, V
, V
50
50
DRIVE
DRIVE
= 5V
= 5V
65
65
105kΩ
48.7kΩ
23.7kΩ
10kΩ
5kΩ
1.2kΩ
100Ω
51Ω
0Ω
80
80
100k
Rev. B | Page 16 of 32
Figure 26. Analog Input Current vs. Input Voltage for Various Temperatures
Figure 24. THD vs. Input Frequency for Various Source Impedances,
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
2.4980
–100
–110
–120
–40
–50
–60
–70
–80
–90
–10
–2
–4
–6
–8
8
6
4
2
0
Figure 25. Reference Output Voltage vs. Temperature for
1k
–10
–40
±5V RANGE
AV
f
R
AV
f
SAMPLE
SAMPLE
SOURCE
AV
AV
CC
CC
CC
CC
–8
, V
, V
–25
DRIVE
= 5V
= 4.75V
= 200kSPS
DRIVE
= 200kSPS
MATCHED ON Vx AND VxGND INPUTS
–6
= +5V
–10
= 5V
Different Supply Voltages
–4
INPUT FREQUENCY (Hz)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
±5 V Range
5
–2
10k
20
0
AV
CC
2
35
= 5.25V
4
50
Data Sheet
6
65
105kΩ
48.7kΩ
23.7kΩ
10kΩ
5kΩ
1.2kΩ
100Ω
51Ω
0Ω
+85°C
+25°C
–40°C
8
100k
80
10