AD7607 Analog Devices, AD7607 Datasheet - Page 15

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AD7607

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

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

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Data Sheet
–1.25
–2.50
–3.75
–5.00
–1.25
–2.50
–3.75
–5.00
5.00
3.75
2.50
1.25
5.00
3.75
2.50
1.25
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
0
0
0
–40
–40
–40
Figure 17. PFS and NFS Error Matching vs. Temperature
NFS ERROR
PFS ERROR
–25
–25
–25
Figure 15. NFS Error vs. Temperature
Figure 16. PFS Error vs. Temperature
–10
–10
–10
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
5
20
20
20
35
35
35
200kSPS
AV
EXTERNAL REFERENCE
200kSPS
AV
EXTERNAL REFERENCE
10V RANGE
AV
EXTERNAL REFERENCE
CC
CC
CC
±10V RANGE
±10V RANGE
, V
, V
, V
50
50
50
DRIVE
DRIVE
DRIVE
±5V RANGE
±5V RANGE
= 5V
= 5V
= 5V
65
65
65
80
80
80
Rev. B | Page 15 of 32
86
85
84
83
82
81
80
10
–2
86
85
84
83
82
81
80
8
6
4
2
0
10
10
0
Figure 18. PFS and NFS Error vs. Source Resistance
Figure 20. SNR vs. Input Frequency ± 10 V Range
Figure 19. SNR vs. Input Frequency ± 5 V Range
20k
100
100
SOURCE RESISTANCE (Ω)
INPUT FREQUENCY (Hz)
40k
INPUT FREQUENCY (Hz)
AV
F
T
EXTERNAL REFERENCE
SOURCE RESISTANCE IS MATCHED ON
THE VxGND INPUT
±10V AND ±5V RANGE
SAMPLE
A
CC
= 25°C
, V
DRIVE
60k
1k
= 200 kSPS
1k
= 5V
AVCC = VDRIVE = 5V
INTERNAL REFERENCE
f
T
±10V RANGE
ALL 8 CHANNELS
AV
INTERNAL REFERENCE
f
T
±5V RANGE
ALL 8 CHANNELS
SAMPLE
SAMPLE
A
A
80k
= 25°C
CC
= 25°C
= V
10k
10k
= 200kSPS
= 200kSPS
DRIVE
100k
= 5V
AD7607
100k
120k
100k

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