Datasheet

Data Sheet AD7607
Rev. B | Page 15 of 32
5.00
3.75
2.50
1.25
0
–1.25
–2.50
–3.75
–40 –25 –10 5 20 35 50 65 80
–5.00
NFS ERROR (LSB)
TEMPERATURE (°C)
200kSPS
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
±5V RANGE
±10V RANGE
08096-115
Figure 15. NFS Error vs. Temperature
5.00
3.75
2.50
1.25
0
–1.25
–2.50
–3.75
–40 –25 –10 5 20 35 50 65 80
–5.00
PFS ERROR (LSB)
TEMPERATURE (°C)
200kSPS
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
±5V RANGE
±10V RANGE
08096-116
Figure 16. PFS Error vs. Temperature
2.5
–40 –25 –10 5 20 35 50 65 80
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
NFS/PFS CHANNEL MATCHING (LSB)
TEMPERATURE (°C)
10V RANGE
AV
CC
, V
DRIVE
= 5V
EXTERNAL REFERENCE
PFS ERROR
NFS ERROR
08096-117
Figure 17. PFS and NFS Error Matching vs. Temperature
10
8
6
4
2
0
0 120k100k80k60k40k20k
–2
PFS/NFS ERROR (%FS)
SOURCE RESISTANCE (Ω)
AV
CC
, V
DRIVE
= 5V
F
SAMPLE
= 200 kSPS
T
A
= 25°C
EXTERNAL REFERENCE
SOURCE RESISTANCE IS MATCHED ON
THE VxGND INPUT
±10V AND ±5V RANGE
08096-118
Figure 18. PFS and NFS Error vs. Source Resistance
08096-022
80
81
82
83
84
85
86
10 100 1k 10k 100k
SNR (dB)
INPUT FREQUENCY (Hz)
AV
CC
= V
DRIVE
= 5V
INTERNAL REFERENCE
f
SAMPLE
= 200kSPS
T
A
= 25°C
±5V RANGE
ALL 8 CHANNELS
Figure 19. SNR vs. Input Frequency ± 5 V Range
80
81
82
83
84
85
86
10 100 1k 10k 100k
SNR (dB)
INPUT FREQUENCY (Hz)
AVCC = VDRIVE = 5V
INTERNAL REFERENCE
f
SAMPLE
= 200kSPS
T
A
= 25°C
±10V RANGE
ALL 8 CHANNELS
08096-023
Figure 20. SNR vs. Input Frequency ± 10 V Range