AD7321 Analog Devices, AD7321 Datasheet - Page 13
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AD7321
Manufacturer Part Number
AD7321
Description
500 kSPS, 2-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC
Manufacturer
Analog Devices
Datasheet
1.AD7321.pdf
(36 pages)
Specifications of AD7321
Resolution (bits)
13bit
# Chan
2
Sample Rate
500kSPS
Interface
Ser,SPI
Analog Input Type
Diff-Uni,SE-Uni
Ain Range
Bip 10V,Bip 2.5V,Bip 5.0V,Uni 10V
Adc Architecture
SAR
Pkg Type
SOP
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Figure 22. THD vs. Analog Input Frequency for Various Source Impedances,
–100
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
10
V
V
T
INTERNAL REF
RANGE = ±10V AND ±2.5V
f
SINGLE-ENDED MODE
S
A
CC
DD
= 500kSPS
= 25°C
/V
= V
SS
DRIVE
= ±12V
= 5V
INPUT FREQUENCY (kHz)
Single-Ended Mode
100
±10V RANGE
R
R
R
R
R
±2.5V RANGE
R
R
R
R
R
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 4000Ω
= 2000Ω
= 1000Ω
= 100Ω
= 50Ω
= 4700Ω
= 3000Ω
= 1000Ω
= 100Ω
= 50Ω
1000
Rev. A | Page 13 of 36
AD7321