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AD7689 Fiches technique(PDF) 5 Page - Analog Devices

No de pièce AD7689
Description  14-Bit, 8-Channel, 250 kSPS PulSAR ADC
Download  28 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD7689 Fiches technique(HTML) 5 Page - Analog Devices

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AD7949
Rev. A | Page 5 of 28
Parameter
Conditions/Comments
Min
Typ
Max
Unit
POWER SUPPLIES
VDD
Specified performance
2.3
5.5
V
VIO
Specified performance
2.3
VDD + 0.3
V
Operating range
1.8
VDD + 0.3
V
Standby Current11, 12
VDD and VIO = 5 V, @ 25°C
50
nA
Power Dissipation
VDD = 2.5 V, 100 SPS throughput
1.5
μW
VDD = 2.5V, 100 kSPS throughput
1.45
2.0
mW
VDD = 2.5 V, 200 kSPS throughput
2.9
4.0
mW
VDD = 5 V , 250 kSPS throughput
10.8
12.5
mW
VDD = 5 V, 250 kSPS throughput with internal
reference
13.5
15.5
mW
Energy per Conversion
50
nJ
TEMPERATURE RANGE13
Specified Performance
TMIN to TMAX
−40
+85
°C
1 See the Analog Inputs section.
2 The bandwidth is set with the configuration register
3 LSB means least significant bit. With the 5 V input range, one LSB = 305 μV.
4 See the Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference.
5 With VDD = 5 V, unless otherwise noted.
6 All specifications expressed in decibels are referred to a full-scale input FSR and tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
7 This is the output from the internal band gap.
8 The output voltage is internal and present on a dedicated multiplexer input.
9 Unipolar mode: serial 14-bit straight binary.
Bipolar mode: serial 14-bit twos complement.
10 Conversion results available immediately after completed conversion.
11 With all digital inputs forced to VIO or GND as required.
12 During acquisition phase.
13 Contact an Analog Devices, Inc., sales representative for the extended temperature range.


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