AD7982 Analog Devices, AD7982 Datasheet - Page 4

• Manufacturer Part Number: AD7982
• Manufacturer: Analog Devices

Specifications of AD7982

• Resolution (bits): 18bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: SOP

AD7982
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, REF = 5 V, T
Table 3.
Parameter
REFERENCE
SAMPLING DYNAMICS
DIGITAL INPUTS
DIGITAL OUTPUTS
POWER SUPPLIES
TEMPERATURE RANGE
1
2
3
With all digital inputs forced to VIO or GND as required.
During acquisition phase.
Contact an Analog Devices, Inc. sales representative for the extended temperature range.
Voltage Range
Load Current
−3 dB Input Bandwidth
Aperture Delay
Logic Levels
Data Format
Pipeline Delay
V
V
VDD
VIO
VIO Range
Standby Current
Power Dissipation
Energy per Conversion
Specified Performance
OL
OH
V
V
V
V
I
I
IL
IH
IL
IH
IL
IH
1, 2
3
Conditions
1 MSPS, REF = 5 V
VDD = 2.5 V
VIO > 3 V
VIO > 3 V
VIO ≤ 3 V
VIO ≤ 3 V
I
I
Specified performance
VDD and VIO = 2.5 V, 25°C
10 kSPS throughput
1 MSPS throughput
T
SINK
SOURCE
MIN
= +500 μA
to T
= −500 μA
MAX
A
= −40°C to +85°C, unless otherwise noted.
Rev. A | Page 4 of 24
Min
2.4
–0.3
0.7 × VIO
–0.3
0.9 × VIO
−1
−1
VIO − 0.3
2.375
2.3
1.8
−40
Conversion results available immediately
Serial 18 bits, twos complement
after completed conversion
Typ
350
10
2
2.5
0.35
70
7.0
7.0
Max
5.1
+0.3 × VIO
VIO + 0.3
+0.1 × VIO
VIO + 0.3
+1
+1
0.4
2.625
5.5
5.5
86
8.6
+85
Unit
V
μA
MHz
ns
V
V
V
V
μA
μA
V
V
V
V
V
μA
μW
mW
nJ/sample
°C