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AD2S80ATD Datenblatt(Datasheet) 3 Page - Analog Devices

Teile-Nr. AD2S80ATD
Beschreibung  Variable Resolution, Monolithic Resolver-to-Digital Converter
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Hersteller  AD [Analog Devices]
Homepage  http://www.analog.com
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Parameter
Conditions
Min
Typ
Max
Unit
DATA LOAD
Sense
Internally Pulled High (100 k
Ω)
150
300
ns
to VS. Logic LO Allows
Data to be Loaded into the
Counters from the Data Lines
BUSY
3
Sense
Logic HI When Position O/P
Changing
Width
200
600
ns
Load
Use Additional Pull-Up
1
LSTTL
DIRECTION
3
Sense
Logic HI Counting Up
Logic LO Counting Down
Max Load
3
LSTTL
RIPPLE CLOCK
3
Sense
Logic HI
All 1s to All 0s
All 0s to All 1s
Width
Dependent on Input Velocity
300
Reset
Before Next Busy
Load
3
LSTTL
DIGITAL INPUTS
High Voltage, VIH
INHIBIT, ENABLE
2.0
V
DB1–DB16, Byte Select
±V
S =
±10.8 V, V
L = 5.0 V
Low Voltage, VIL
INHIBIT, ENABLE
0.8
V
DB1–DB16, Byte Select
±V
S =
±13.2 V, V
L = 5.0 V
DIGITAL INPUTS
High Current, IIH
INHIBIT, ENABLE
100
µA
DB1–DB16
±V
S =
±13.2 V , V
L = 5.5 V
Low Current, IIL
INHIBIT, ENABLE
100
µA
DB1–DB16, Byte Select
±V
S =
±13.2 V, V
L = 5.5 V
DIGITAL INPUTS
Low Voltage, VIL
ENABLE = HI
1.0
V
SC1, SC2, Data Load
±V
S =
±12.0 V, V
L = 5.0 V
Low Current, IIL
ENABLE = HI
–400
µA
SC1, SC2, Data Load
±V
S =
±12.0 V, V
L = 5.0 V
DIGITAL OUTPUTS
High Voltage, VOH
DB1–DB16
2.4
V
RIPPLE CLK, DIR
±V
S =
±12.0 V, V
L = 4.5 V
IOH = 100
µA
Low Voltage, VOL
DB1–DB16
0.4
V
RIPPLE CLK, DIR
±V
S =
±12.0 V, V
L = 5.5 V
IOL = 1.2 mA
THREE-STATE LEAKAGE
DB1–DB16 Only
Current IL
±V
S =
±12.0 V, V
L = 5.5 V
±100
µA
VOL = 0 V
±V
S =
±12.0 V, V
L = 5.5 V
±100
µA
VOH = 5.0 V
NOTES
1Refer to small signal bandwidth.
2Output offset dependent on value for R6.
3Refer to timing diagram.
Specifications subject to change without notice.
All min and max specifications are guaranteed. Specifications in boldface are tested on all production units at final electrical test.
AD2S80A
REV. B
–3–




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