參數(shù)資料
型號(hào)： AS1500-Z-T
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： 數(shù)字電位計(jì)
英文描述： 256 steps, SPI 10kΩ, DigiPot; Package Type: SOIC-8; Resistance: 10,00
封裝： SOIC-8
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 398K
代理商： AS1500-Z-T
www.austriamicrosystems.com
Revision 1.01
4 - 14
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
R
AB
Nominal Resistance
2
T
A
= 25oC, V
CC
= 5V, AS1500,
Version: 50k
Ω
T
A
= 25oC, V
CC
= 5V, AS1501,
Version: 100k
Ω
8
10
12
k
Ω
16
20
24
k
Ω
Δ
R
AB
/
Δ
T
Resistance Tempco
3
V
AB
= V
CC
, Wiper = No Connect
500
ppm/oC
R
W
Wiper Resistance
V
CC
= 5V
20
100
200
Ω
R-DNL
Resistor Differential NL
4
R
WB
, V
CC
= 5V, V
A
= No Connect
-1
±1/4
+1
LSB
R-INL
Resistor Integral NL
R
WB
, V
CC
= 5V, V
A
= No Connect
-2
±1/2
+2
LSB
DC Characteristics
Potentiometer Divider
N
Resolution
8
Bits
INL
Integral Nonlinearity
V
CC
= 5.5V T
A
= 25oC
V
CC
= 2.7V T
A
= 25oC
-2
±1/2
+2
LSB
-2
±1/2
+2
LSB
DNL
Differential Nonlinearity
V
CC
= 5.5V T
A
= 25oC
V
CC
= 2.7V T
A
= 25oC
Code = 80
H
-1
±1/4
+1
LSB
-1
±1/4
+1
LSB
Δ
V
W
/
Δ
T
Voltage Divider Tempco
15
ppm/oC
V
WFSE
V
WFSE
Resistor Terminals
Full-Scale Error
Code = FF
H
, V
CC
= 5.5V
Code = 00
H
, V
CC
= 5.5V
-4
-2.8
0
LSB
Zero-Scale Error
0
1.3
2
LSB
V
A, B, W
Voltage Range
5
0
V
CC
V
C
A, B
Capacitance
6
Ax, Bx
f =1MHz, Measured to GND,
Code = 80
H
f =1MHz, Measured to GND,
Code = 80
H
75
pF
C
W
Capacitance Wx
120
pF
Digital Inputs and Outputs
V
IH
Input Logic High
V
CC
= 5V
2.4
V
V
IL
Input Logic Low
V
CC
= 5V
0.8
V
V
IH
Input Logic High
V
CC
= 3V
2.1
V
V
IL
Input Logic Low
V
CC
= 3V
0.6
V
I
IH
, I
IL
Input Current
V
IN
= 5V or 0V, V
CC
= 5V
±1
μA
C
IL
Power Supplies
Input Capacitance
5
pF
V
CC
Power Supply Range
2.7
5.5
V
I
DD
Supply Current (CMOS)
V
IH
= V
CC
or V
IL
= 0V, V
CC
= 5.5V
0.1
1
μA
I
DD
Supply Current (TTL)
7
V
IH
= 2.4V or 0.8V, V
CC
= 5.5V
0.9
4
mA
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