AD7658 Analog Devices, AD7658 Datasheet - Page 17
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AD7658
Manufacturer Part Number
AD7658
Description
250 kSPS, 6-Channel,SimultaneousSampling, Bipolar 12-Bit A/D Converter
Manufacturer
Analog Devices
Datasheet
1.AD7656.pdf
(32 pages)
Specifications of AD7658
Resolution (bits)
12bit
# Chan
6
Sample Rate
250kSPS
Interface
Par,Ser,SPI
Analog Input Type
SE-Bip
Ain Range
Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 5.0V
Adc Architecture
SAR
Pkg Type
QFP
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120
110
100
90
80
70
60
0
AV
V
T
INTERNAL REFERENCE
±2 × V
30kHz ON SELECTED CHANNEL
DD
A
CC
= 25°C
/V
Figure 22. Channel-to-Channel Isolation
/DV
SS
20
REF
= ±12V
CC
RANGE
/V
FREQUENCY OF INPUT NOISE (kHz)
DRIVE
40
= 5V
60
80
100
120
140
Rev. C | Page 17 of 32
30
25
20
15
10
5
0
–40
Figure 23. Dynamic Current vs. Temperature
–20
0
AD7656/AD7657/AD7658
TEMPERATURE (°C)
AV
f
FOR ±5V RANGE V
FOR ±10V RANGE V
20
SAMPLE
CC
/DV
= 250kSPS
CC
40
/V
DRIVE
60
DD
= +5V
±10V RANGE
±5V RANGE
DD
/V
/V
SS
SS
= ±12V
80
= ±16.5V
100