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| 型號： | AS1500-Z-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 256 steps, SPI 10kΩ, DigiPot; Package Type: SOIC-8; Resistance: 10,00 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 398K |
| 代理商： | AS1500-Z-T |
www.austriamicrosystems.com
Revision 1.01
5 - 14
AS1500
Data Sheet
- Electrical Characteristics
AS1502 / AS1503 – SPECIFICATIONS
V
CC
= 3V±10% or 5V±10%, V
A
= V
CC
, V
B
= 0V, –40oC
≤
T
A
≤
+125oC unless otherwise noted.
P
DISS
Power Dissipation
(CMOS)
8
V
IH
= V
CC
or V
IL
= 0V, V
CC
= 5.5V
27.5
μW
PSSR
Power Supply
Suppression Ratio
V
CC
= 5V+0.5V
P
sine wave @
1kHz
AS1500,
Version: 10k
Ω
AS1501,
Version: 20k
Ω
-54
-25
dB
-52
-25
dB
Dynamic Characteristics
9
BW_10k
Bandwidth –3dB
Bandwidth –3dB
R
WB
= 10k
Ω
, V
CC
= 5V
R
WB
= 20k
Ω
, V
CC
= 5V
V
A
= 1V
RMS
+ 2V
DC
, V
B
= 2V
DC
,
f = 1kHz
R
WB
= 5k
Ω
, V
A
= V
CC
, V
B
= 0V,
±1% Error Band
R
WB
= 10k
Ω
, V
A
= V
CC
, V
B
= 0V,
±1% Error Band
R
WB
= 5k
Ω
, f =1kHz
R
WB
= 10k
Ω
, f =1kHz
1000
kHz
BW_20k
500
kHz
THD
W
Total Harmonic
Distortion
0.003
%
t
S
_10k
VW Settling Time
2
μs
t
S
_20k
4
μs
e
NWB
_10k
Resistor Noise Voltage
9
nV/
√
Hz
e
NWB
_20k
13
nV/
√
Hz
1. Typicals represent average readings at 25oC and V
CC
= 5V.
2. Wiper is not connected. I
AB
= 350μA for the 10k
Ω
version and 175μA for the 20k
Ω
version.
3. All Tempcos are guaranteed by design and not subject to production test.
4. Terminal A is not connected. I
W
= 350μA for the 10k
Ω
version and 175μA for the 20k
Ω
version.
5. Resistor terminals A, B, W have no limitations on polarity with respect to each other.
6. All capacitances are guaranteed by design and not subject to production test. Resistor-terminal capacitance
tests are measured with 2.5V bias on the measured terminal. The remaining resistor terminals are left open cir-
cuit.
7. Worst-case supply current consumed when input logic level at 2.4V, standard characteristic of CMOS logic.
8. P
DISS
is calculated from (I
DD
×V
CC
). CMOS logic level inputs result in minimum power dissipation.
9. All dynamic characteristics are guaranteed by design and not subject to production test. All dynamic characteris-
tics use V
CC
=5V.
Table 4. Electrical Characteristics – 50k and 100k Versions
Symbol
Parameter
Conditions
Min
Typ
1
Max
Units
DC Characteristics Rheostat Mode
R
AB
Nominal Resistance
2
T
A
= 25oC, V
CC
= 5V, AS1502,
Version: 50k
Ω
T
A
= 25oC, V
CC
= 5V, AS1503,
Version: 100k
Ω
40
50
60
k
Ω
80
100
120
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
Table 3. Electrical Characteristics – 10k and 20k Versions
Symbol
Parameter
Conditions
Min
Typ
1
Max
Units
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