AS1500
Data Sheet
- Electrical Characteristics
6 Electrical Characteristics
AS1500 / AS1501 – SPECIFICATIONS
V
CC
= 3V±10% or 5V±10%, V
A
= V
CC
, V
B
= 0V, –40ºC
≤
T
A
≤
+125ºC unless otherwise noted.
Table 3. Electrical Characteristics – 10k and 20k Versions
Symbol
Parameter
Conditions
Min
Typ
1
Max
Units
DC Characteristics Rheostat Mode
T
A
= 25ºC, V
CC
= 5V, AS1500,
Version: 50kΩ
T
A
= 25ºC, V
CC
= 5V, AS1501,
Version: 100kΩ
V
AB
= V
CC
, Wiper = No Connect
V
CC
= 5V
4
8
16
10
20
500
12
24
kΩ
kΩ
ppm/ºC
R
AB
Nominal Resistance
2
ΔR
AB
/ΔT
R
W
R-DNL
R-INL
Resistance Tempco
Wiper Resistance
3
20
-1
-2
100
±1/4
±1/2
200
+1
+2
Ω
LSB
LSB
Resistor Differential NL
Resistor Integral NL
R
WB
, V
CC
= 5V, V
A
= No Connect
R
WB
, V
CC
= 5V, V
A
= No Connect
DC Characteristics Potentiometer Divider
N
INL
Resolution
Integral Nonlinearity
V
CC
= 5.5V T
A
= 25ºC
V
CC
= 2.7V T
A
= 25ºC
V
CC
= 5.5V T
A
= 25ºC
V
CC
= 2.7V T
A
= 25ºC
Code = 80
H
Code = FF
H
, V
CC
= 5.5V
Code = 00
H
, V
CC
= 5.5V
-4
0
-2
-2
-1
-1
8
±1/2
±1/2
±1/4
±1/4
15
-2.8
1.3
0
2
+2
+2
+1
+1
Bits
LSB
LSB
LSB
LSB
ppm/ºC
LSB
LSB
DNL
ΔV
W
/ΔT
V
WFSE
V
WFSE
Differential Nonlinearity
Voltage Divider Tempco
Full-Scale Error
Zero-Scale Error
5
Resistor Terminals
V
A, B, W
C
A, B
C
W
Voltage Range
6
0
f =1MHz, Measured to GND,
Code = 80
H
f =1MHz, Measured to GND,
Code = 80
H
V
CC
= 5V
V
CC
= 5V
V
CC
= 3V
V
CC
= 3V
V
IN
= 5V or 0V, V
CC
= 5V
5
2.1
2.4
75
120
V
CC
V
pF
pF
Capacitance Ax, Bx
Capacitance Wx
Digital Inputs and Outputs
V
IH
V
IL
V
IH
V
IL
I
IH
, I
IL
C
IL
V
CC
I
DD
I
DD
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Current
Input Capacitance
V
0.8
V
V
0.6
±1
V
µA
pF
Power Supplies
Power Supply Range
Supply Current (CMOS) V
IH
= V
CC
or V
IL
= 0V, V
CC
= 5.5V
Supply Current (TTL)
7
2.7
0.1
0.9
5.5
1
4
V
µA
mA
V
IH
= 2.4V or 0.8V, V
CC
= 5.5V
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