AD2S80A Analog Devices, Inc., AD2S80A Datasheet - Page 3

• Manufacturer Part Number: AD2S80A
• Description: Variable Resolution, Monolithic Resolver-to-digital Converter
• Manufacturer: Analog Devices, Inc.

Parameter
DATA LOAD
BUSY
DIRECTION
RIPPLE CLOCK
DIGITAL INPUTS
DIGITAL INPUTS
DIGITAL INPUTS
DIGITAL OUTPUTS
THREE-STATE LEAKAGE
NOTES
1
2
3
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.
Refer to small signal bandwidth.
Output offset dependent on value for R6.
Refer to timing diagram.
Sense
Sense
Width
Load
Sense
Max Load
Sense
Width
Reset
Load
High Voltage, V
Low Voltage, V
High Current, I
Low Current, I
Low Voltage, V
Low Current, I
High Voltage, V
Low Voltage, V
Current I
3
L
3
IL
IL
3
IL
IL
OL
IH
IH
OH
Conditions
Internally Pulled High (100 kΩ)
to V
Data to be Loaded into the
Counters from the Data Lines
Logic HI When Position O/P
Changing
Use Additional Pull-Up
Logic HI Counting Up
Logic LO Counting Down
Logic HI
All 1s to All 0s
All 0s to All 1s
Dependent on Input Velocity
Before Next Busy
INHIBIT, ENABLE
DB1–DB16, Byte Select
± V
INHIBIT, ENABLE
DB1–DB16, Byte Select
± V
INHIBIT, ENABLE
DB1–DB16
± V
INHIBIT, ENABLE
DB1–DB16, Byte Select
± V
ENABLE = HI
SC1, SC2, Data Load
± V
ENABLE = HI
SC1, SC2, Data Load
± V
DB1–DB16
RIPPLE CLK, DIR
± V
I
DB1–DB16
RIPPLE CLK, DIR
± V
I
DB1–DB16 Only
± V
V
± V
V
OH
OL
OL
OH
S
S
S
S
S
S
S
S
S
S
= 1.2 mA
= 100 µA
S
= ± 10.8 V, V
= ± 13.2 V, V
= ± 13.2 V , V
= ± 13.2 V, V
= ± 12.0 V, V
= ± 12.0 V, V
= ± 12.0 V, V
= ± 12.0 V, V
= ± 12.0 V, V
= 0 V
= ± 12.0 V, V
= 5.0 V
. Logic LO Allows
L
L
L
L
L
L
L
L
L
L
= 5.0 V
= 5.0 V
= 5.5 V
= 5.0 V
= 5.0 V
= 4.5 V
= 5.5 V
= 5.5 V
= 5.5 V
= 5.5 V
Min
200
300
2.0
2.4
Typ
150
Max
300
600
1
3
3
0.8
1.0
–400
0.4
± 100
± 100
100
100
AD2S80A
Unit
ns
ns
LSTTL
LSTTL
LSTTL
V
V
µA
µA
V
µA
V
V
µA
µA