參數(shù)資料
型號(hào): AD5232
廠商: Analog Devices, Inc.
元件分類: 數(shù)字電位計(jì)
英文描述: 8-Bit Dual Nonvolatile Memory Digital Potentiometer
中文描述: 8位雙非易失性內(nèi)存數(shù)字電位器
文件頁數(shù): 2/20頁
文件大?。?/td> 268K
代理商: AD5232
REV. 0
–2–
AD5232–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS,10 k , 50 k , 100 k VERSIONS
( V
DD
= 3 V 10% or 5 V 10% and V
SS
= 0 V, V
A
= +V
DD
, V
B
= 0 V, –40 C < T
A
< +85 C unless otherwse noted.)
Parameter
Symbol
Conditions
Min
T yp
1
Max
Unit
DC CHARACT ERIST ICS
RHEOST AT MODE – Specifications Apply to All VRs
Resistor Differential Nonlinearity
2
Resistor Nonlinearity
2
Nominal Resistor T olerance
Resistance T emperature Coefficient
Wiper Resistance
R-DNL
R-INL
R
AB
R
AB
/ T
R
W
R
W
R
WB
, V
A
= NC
R
WB
, V
A
= NC
–1
–0.4
–40
±
1/2
+1
+0.4
+20
LSB
% FS
%
ppm/
°
C
600
5
200
I
W
= 100
μ
A, V
DD
= 5.5 V, Code = 1E
H
I
W
= 100
μ
A, V
DD
= 3 V, Code = 1E
H
100
POT ENT IOMET ER DIVIDER MODE — Specifications Apply to All VRs
Resolution
Differential Nonlinearity
3
Integral Nonlinearity
3
Voltage Divider T emperature Coefficient
Full-Scale Error
Zero-Scale Error
RESIST OR T ERMINALS
T erminal Voltage Range
4
Capacitance
5
Ax, Bx
N
DNL
INL
V
W
/ T
V
WFSE
V
WZSE
8
–1
–0.4
Bits
LSB
% FS
ppm/
°
C
% FS
% FS
±
1/2
+1
+0.4
Code = Half-Scale
Code = Full-Scale
Code = Zero-Scale
15
–3
0
0
+3
V
A,B,W
C
A,B
V
SS
V
DD
V
f = 1 MHz, Measured to GND,
Code = Half-Scale
f = 1 MHz, Measured to GND,
Code = Half-Scale
V
W
= V
DD
/2
45
pF
Capacitance
5
Wx
C
W
60
0.01
pF
μ
A
Common-Mode Leakage Current
5, 6
DIGIT AL INPUT S AND OUT PUT S
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Logic High
I
CM
1
V
IH
V
IL
V
IH
V
IL
V
IH
With Respect to GND, V
DD
= 5 V
With Respect to GND, V
DD
= 5 V
With Respect to GND, V
DD
= 3 V
With Respect to GND, V
DD
= 3 V
With Respect to GND, V
DD
= +2.5 V,
V
SS
= –2.5 V
With Respect to GND, V
DD
= +2.5 V,
V
SS
= –2.5 V
R
PULL-UP
= 2.2 k
to 5 V
I
OL
= 1.6 mA, V
LOGIC
= 5 V
V
IN
= 0 V or V
DD
2.4
V
V
V
V
V
0.8
2.1
0.6
2.0
Input Logic Low
V
IL
0.5
V
Output Logic High (SDO and RDY)
Output Logic Low
Input Current
Input Capacitance
5
POWER SUPPLIES
Single-Supply Power Range
Dual-Supply Power Range
Positive Supply Current
Programming Mode Current
Read Mode Current
7
Negative Supply Current
V
OH
V
OL
I
IL
C
IL
4.9
V
V
μ
A
pF
0.4
±
2.5
4
V
DD
V
DD
/V
SS
I
DD
I
DD(PG)
I
DD(X FR)
I
SS
V
SS
= 0 V
2.7
±
2.25
5.5
±
2.75 V
10
V
V
IH
= V
DD
or V
IL
= GND
V
IH
= V
DD
or V
IL
= GND
V
IH
= V
DD
or V
IL
= GND
V
IH
= V
DD
or V
IL
= GND,
V
DD
= +2.5 V, V
SS
= –2.5 V
V
IH
= V
DD
or V
IL
= GND
V
DD
= 5 V
±
10%
3.5
35
3
μ
A
mA
mA
0.9
9
3.5
0.018
0.002
10
0.05
0.01
μ
A
mW
%/%
Power Dissipation
8
Power Supply Sensitivity
5
P
DISS
PSS
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