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AD7667AST Scheda tecnica(PDF) 5 Page - Analog Devices

Il numero della parte AD7667AST
Spiegazioni elettronici  16-Bit 1 MSPS PulSAR Unipolar ADC with Reference
PDF  29 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7667AST Scheda tecnica(HTML) 5 Page - Analog Devices

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AD7667
Rev. 0 | Page 4 of 28
Parameter
Conditions
Min
Typ
Max
Unit
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
2.0
DVDD + 0.3
V
IIL
–1
+1
µA
IIH
–1
+1
µA
DIGITAL OUTPUTS
Data Format5
Pipeline Delay6
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –500 µA
OVDD – 0.6
V
POWER SUPPLIES
Specified Performance
AVDD
4.75
5
5.25
V
DVDD
4.75
5
5.25
V
OVDD
2.7
5.257
V
Operating Current8
1 MSPS Throughput
AVDD9
With Reference and Buffer
18.7
mA
AVDD10
Reference and Buffer Alone
3
mA
DVDD11
7.8
mA
OVDD11
200
µA
Power Dissipation without REF9, 11
666 kSPS Throughput
87
115
mW
1 kSPS Throughput
130
µW
Power Dissipation with REF8, 9
1 MSPS Throughput
133
145
mW
TEMPERATURE RANGE12
Specified Performance
TMIN to TMAX
–40
+85
°C
1See Analog Input section.
2LSB means least significant bit. With the 0 V to 2.5 V input range, 1 LSB is 38.15 µV.
3See Definitions of Specifications section. These specifications do not include the error contribution from the external reference.
4All specifications in dB are referred to a full-scale input FS. Tested with an input signal at 0.5 dB below full-scale, unless otherwise specified.
5Parallel or serial 16-bit.
6Conversion results are available immediately after completed conversion.
7 The max should be the minimum of 5.25 V and DVDD + 0.3 V.
8 In Warp mode.
9 With REF, PDREF and PDBUF are LOW; without REF, PDREF and PDBUF are HIGH.
10 With PDREF, PDBUF LOW and PD HIGH.
11 Impulse mode. Tested in parallel reading mode
12Consult factory for extended temperature range.



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