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AD7982 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD7982
Description  16-Bit, 100 kSPS PulSAR, Differential ADC in MSOP
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7982 Datasheet(HTML) 3 Page - Analog Devices

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AD7684
Rev. A | Page 3 of 16
SPECIFICATIONS
VDD = 2.7 V to 5.5 V; VREF = VDD; TA = −40°C to +85°C, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range1
+IN − (−IN)
−VREF
+VREF
V
Absolute Input Voltage
+IN, −IN
−0.1
VDD + 0.1
V
Common-Mode Input Range
+IN, −IN
0
VREF/2
VREF/2 + 0.1
V
Analog Input CMRR
fIN = 100 kHz
65
dB
Leakage Current at 25°C
Acquisition phase
1
nA
Input Impedance
See the Analog Inputs section
THROUGHPUT SPEED
Complete Cycle
10
μs
Throughput Rate
0
100
kSPS
DCLOCK Frequency
0
2.9
MHz
REFERENCE
Voltage Range
0.5
VDD + 0.3
V
Load Current
100 kSPS, V+IN = V−IN = VREF/2 = 2.5 V
50
μA
DIGITAL INPUTS
Logic Levels
VIL
−0.3
0.3 × VDD
V
VIH
0.7 × VDD
VDD + 0.3
V
IIL
−1
+1
μA
IIH
−1
+1
μA
Input Capacitance
5
pF
DIGITAL OUTPUTS
Data Format
Serial 16 bits twos complement
VOH
ISOURCE = −500 μA
VDD − 0.3
V
VOL
ISINK = +500 μA
0.4
V
POWER SUPPLIES
VDD
Specified performance
2.7
5.5
V
VDD Range2
2.0
5.5
V
Operating Current
100 kSPS throughput
VDD = 5 V
800
μA
VDD = 2.7 V
560
μA
Standby Current3, 4
VDD = 5 V, 25°C
1
50
nA
Power Dissipation
VDD = 5 V
4
6
mW
VDD = 2.7 V
1.5
mW
VDD = 2.7 V, 10 kSPS throughput3
150
μW
TEMPERATURE RANGE
Specified Performance
TMIN to TMAX
−40
+85
°C
1 The inputs must be driven differentially 180° from each other. See Pin Configuration and Function Descriptions and Analog Inputs sections.
2 See the Typical Performance Characteristics section for more information.
3 With all digital inputs forced to VDD or GND, as required.
4 During acquisition phase.


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