參數(shù)資料
型號： AD5241
廠商： Analog Devices, Inc.
元件分類： 數(shù)字電位計
英文描述： 2-Channel, 256-Position Digital Potentiometer
中文描述： 2通道，256位數(shù)字電位器
文件頁數(shù)： 2/16頁
文件大?。?/td> 664K
代理商： AD5241
REV. 0
–2–
AD5207–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS 10 k , 50 k , 100 k VERSION
(V
DD
= 5 V, V
SS
= 0, V
A
= 5 V,
V
B
= 0, –40 C < T
A
< +125 C unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ
1
Max
Unit
DC CHARACTERISTICS
RHEOSTAT MODE
Specifications Apply to All VRs
Resistor Differential Nonlinearity
2
Resistor Nonlinearity
2
Nominal Resistor Tolerance
3
Resistance Temperature Coefficient
Wiper Resistance
Nominal Resistance Match
R-DNL
R-INL
R
R
AB
/
T
R
W
R/R
O
R
WB
, V
A
= NC
R
WB
, V
A
= NC
–1
–1.5
–30
+1
+1.5
+30
LSB
LSB
%
ppm/
°
C
%
V
AB
= V
DD
, Wiper = No Connect
I
W
= 1 V/R, V
DD
= 5 V
Ch 1 to 2, V
AB
= V
DD
, T
A
= 25
°
C
500
50
0.2
100
1
DC CHARACTERISTICS
POTENTIOMETER DIVIDER MODE
Specifications Apply to All VRs
Resolution
Integral Nonlinearity
4
Differential Nonlinearity
4
Voltage Divider Temperature
Coefficient
Full-Scale Error
Zero-Scale Error
N
INL
DNL
V
W
/
T
8
–1.5
–1
Bits
LSB
LSB
ppm/
°
C
+1.5
+1
V
DD
= 5 V, V
SS
= 0 V
Code = 80
H
15
V
WFSE
V
WZSE
Code = FF
H
Code = 00
H
–1.5
LSB
LSB
+1.5
RESISTOR TERMINALS
Voltage Range
5
Capacitance
6
A
X
, B
X
Capacitance
6
W
X
Shutdown Current
7
Shutdown Wiper Resistance
Common-Mode Leakage
V
A,
B, W
C
A,B
C
W
I
A_SD
R
W_SD
I
CM
|V
DD
| + |V
SS
|
≤
5.5 V
f = 1 MHz, Measured to GND, Code = 80
H
f = 1 MHz, Measured to GND, Code = 80
H
V
A
= V
DD
, V
B
= 0 V,
SHDN
= 0
V
A
= V
DD
, V
B
= 0 V,
SHDN
= 0, V
DD
= 5 V
V
A
= V
B
= V
DD
/2
V
SS
V
DD
V
pF
pF
μ
A
nA
45
70
5
200
1
DIGITAL INPUTS AND OUTPUTS
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Output Logic High
Output Logic Low
Input Current
Input Capacitance
6
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
I
IL
C
IL
V
DD
= 5 V, V
SS
= 0 V
V
DD
= 5 V, V
SS
= 0 V
V
DD
= 3 V, V
SS
= 0 V
V
DD
= 3 V, V
SS
= 0 V
R
L
= 1 k
to V
DD
I
OL
= 1.6 mA, V
DD
= 5 V
V
IN
= 0 V or 5 V
2.4
V
V
V
V
V
V
μ
A
pF
0.8
2.1
0.6
V
DD
– 0.1
0.4
±
10
10
POWER SUPPLIES
Power Single-Supply Range
Power Dual-Supply Range
Positive Supply Current
Negative Supply Current
Power Dissipation
8
Power Supply Sensitivity, V
DD
Power Supply Sensitivity, V
SS
V
DD RANGE
V
DD/SS RANGE
I
DD
I
SS
P
DISS
PSS
PSS
V
SS
= 0 V
2.7
±
2.2
5.5
±
2.7
40
40
0.2
0.01
0.03
V
V
μ
A
μ
A
mW
%/%
%/%
V
IH
= V
DD
or V
IL
= GND, V
SS
= 0 V
V
IH
= V
DD
or V
IL
= GND V
SS
= –2.5 V
V
IH
= 5 V or V
IL
= 0 V, V
DD
= 5 V
V
DD
= 5 V
±
10%, V
SS
= 0 V, Code = 80
H
V
SS
= –2.5 V
±
10%, V
DD
= 2.5 V, Code = 80
H
DYNAMIC CHARACTERISTICS
6, 9
Bandwidth –3 dB
Bandwidth –3 dB
Bandwidth –3 dB
Total Harmonic Distortion
V
W
Settling Time
Resistor Noise Voltage
Crosstalk
10
BW_10 k
BW_50 k
BW_100 k
THD
W
t
S
e
N_WB
C
T
R
AB
= 10 k
R
AB
= 50 k
R
AB
= 100 k
V
A
= 1 V rms, V
B
= 0 V, f = 1 kHz, R
AB
= 10 k
R
AB
= 10 k
/50 k
/100 k
,
±
1 LSB Error Band
R
WB
= 5 k
, f = 1 kHz, RS = 0
V
A
= 5 V, V
B
= 0 V
600
125
71
0.003
2/9/18
9
–65
kHz
kHz
kHz
%
μ
s
nV
√
Hz
dB
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