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AD7401YRWZ-REEL Fiches technique(PDF) 4 Page - Analog Devices

No de pièce AD7401YRWZ-REEL
Description  Isolated Sigma-Delta Modulator
Download  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD7401YRWZ-REEL Fiches technique(HTML) 4 Page - Analog Devices

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AD7401
Rev. A | Page 4 of 20
Parameter
Y Version1, 2
Unit
Test Conditions/Comments
POWER REQUIREMENTS
VDD1
4.5/5.25
V min/V max
VDD2
3/5.5
V min/V max
IDD16
12
mA max
VDD1 = 5.25 V
IDD27
8
mA max
VDD2 = 5.5 V
4
mA max
VDD2 = 3.3 V
1 Temperature range is −40°C to +85°C.
2 All voltages are relative to their respective ground.
3 See the Terminology section.
4 For fMCLK > 16 MHz to 20 MHz, mark space ratio is 48/52 to 52/48, VDD1 = VDD2 = 5 V ± 5% and TA = −40°C to +85°C.
5 Sample tested during initial release to ensure compliance.
6 See Figure 15.
7 See Figure 17.
TIMING SPECIFICATIONS1
VDD1 = 4.5 V to 5.25 V, VDD2 = 3 V to 5.5 V, TA = TMAX to TMIN, unless otherwise noted.
Table 2.
Parameter
Limit at TMIN, TMAX
Unit
Description
fMCLKIN2,3
20
MHz max
Master clock input frequency
5
MHz min
Master clock input frequency
t14
25
ns max
Data access time after MCLK rising edge
t24
15
ns min
Data hold time after MCLK rising edge
t3
0.4 × tMCLKIN
ns min
Master clock low time
t4
0.4 × tMCLKIN
ns min
Master clock high time
1 Sample tested during initial release to ensure compliance.
2 Mark space ratio for clock input is 40/60 to 60/40 for fMCLKIN to 16 MHz and 48/52 to 52/48 for fMCLKIN > 16 MHz to 20 MHz.
3 VDD1 = VDD2 = 5 V
± 5% for fMCLKIN > 16 MHz to 20 MHz.
4 Measured with the load circuit of Figure 2 and defined as the time required for the output to cross 0.8 V or 2.0 V.
200µA
IOL
200µA
IOH
1.6V
TO OUTPUT
PIN
CL
25pF
Figure 2. Load Circuit for Digital Output Timing Specifications
MCLKIN
MDAT
t1
t2
t4
t3
Figure 3. Data Timing


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