AD7484 Analog Devices, AD7484 Datasheet - Page 4
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AD7484
Manufacturer Part Number
AD7484
Description
14-Bit, 3 MSPS SAR ADC
Manufacturer
Analog Devices
Datasheet
1.AD7484.pdf
(20 pages)
Specifications of AD7484
Resolution (bits)
14bit
# Chan
1
Sample Rate
3MSPS
Interface
Par
Analog Input Type
SE-Uni
Ain Range
Uni 2.5V
Adc Architecture
SAR
Pkg Type
QFP
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AD7484
Parameter
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
5
SINAD figures quoted include external analog input circuit noise contribution of approximately 1 dB.
See the Typical Performance Characteristics section for analog input circuits used.
See the Terminology section.
Sample tested @ 25°C to ensure compliance.
Digital input levels at DGND or V
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating State Leakage Current
Floating State Output Capacitance
Output Coding
Conversion Time
Track-and-Hold Acquisition Time (t
Throughput Rate
V
V
I
Power Dissipation
DD
DD
DRIVE
Normal Mode (Static)
Normal Mode (Operational)
Nap Mode
Standby Mode
Normal Mode (Operational)
Nap Mode
Standby Mode
IN
5
INL
IN
INH
4
OL
OH
DRIVE
.
4
ACQ
)
Min
V
0.7 × V
Straight (Natural) Binary
2.7
DRIVE
−1
DRIVE
Typ
5
0.5
Rev. C | Page 4 of 20
Max
0.4
±1
10
0.4
±10
10
300
70
70
2.5
3
5.25
13
20
0.5
2
100
2.5
10
Unit
V
V
µA
pF
V
V
µA
pF
ns
ns
ns
MSPS
MSPS
V
V
mA
mA
mA
µA
mW
mW
µW
Test Conditions/Comments
Sine wave input
Full-scale step input
Parallel Mode 1
Parallel Mode 2
± 5%
CS and RD = Logic 1