AD7322 Analog Devices, AD7322 Datasheet - Page 12

• Manufacturer Part Number: AD7322
• Description: Software Selectable True Bipolar Input, 2-Channel, 12-Bit Plus Sign ADC
• Manufacturer: Analog Devices

Specifications of AD7322

• Resolution (bits): 13bit
• # Chan: 2
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 2.5V,Bip 5.0V,Uni (Vref) x 4,Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

AD7322
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10
Figure 22. THD vs. Analog Input Frequency for Various
V
V
T
INTERNAL REFERENCE
RANGE = ±10V AND ±2.5V
R
A
CC
DD
IN
= 25°C
= 1000Ω, ±10V RANGE
/V
R
= V
IN
SS
Source Impedances, Single-Ended Mode
DRIVE
= 2000Ω, ±10V RANGE
= ±12V
= 5V
INPUT FREQUENCY (kHz)
100
R
±10V RANGE
R
±10V RANGE
R
±2.5V RANGE
R
±2.5V RANGE
R
±2.5V RANGE
R
±2.5V RANGE
IN
IN
IN
IN
IN
IN
= 100Ω,
= 50Ω,
= 2000Ω,
= 1000Ω,
= 100Ω,
= 50Ω,
1000
Rev. A | Page 12 of 36