AD7472 Analog Devices, AD7472 Datasheet - Page 8
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AD7472
Manufacturer Part Number
AD7472
Description
12-Bit, 2.7 V to 5.25 V, 1.5 MSPS Low Power ADC
Manufacturer
Analog Devices
Datasheet
1.AD7470.pdf
(20 pages)
Specifications of AD7472
Resolution (bits)
12bit
# Chan
1
Sample Rate
1.5MSPS
Interface
Par
Analog Input Type
SE-Uni
Ain Range
Uni (Vref)
Adc Architecture
SAR
Pkg Type
SOIC,SOP
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AD7470/AD7472
Mnemonic
DGND
V
V
DB0–DB9/11
IN
DRIVE
Function
Digital Ground. This is the ground reference point for all digital circuitry on the AD7470 and AD7472. The
DGND and AGND voltages should ideally be at the same potential and must not be more than 0.3 V apart even
on a transient basis.
Analog Input. Single-ended analog input channel. The input range is 0 V to REF IN. The analog input presents a
high dc input impedance.
Supply Voltage for the Output Drivers, 2.7 V to 5.25 V. This voltage determines the output high voltage for the
data output pins. It allows AV
(ADC), while the digital outputs can interface to 3 V logic.
Data Bit 0 to Data Bit 9 (AD7470) and DB11 (AD7472). Parallel digital outputs that provide the conversion result
for the part. These are three-state outputs that are controlled by CS and RD. The output high voltage level for these
outputs is determined by the V
PIN FUNCTION DESCRIPTIONS (continued)
DD
DRIVE
and DV
input.
DD
to operate at 5 V (and maximize the dynamic performance of the
–8–
REV. B