參數(shù)資料
型號: AD5252BRU100-RL7
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字電位計
英文描述: 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23
中文描述: DUAL 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14
封裝: MO-153AB-1, TSSOP-14
文件頁數(shù): 3/28頁
文件大小: 859K
代理商: AD5252BRU100-RL7
AD5251/AD5252
ELECTRICAL CHARACTERISTICS
1 k Version. V
DD
= 3 V ± 10% or 5 V ± 10%; V
SS
= 0 V or V
DD
/V
SS
= ± 2.5 V ± 10%; V
A
= +V
DD
, V
B
= 0 V, –40°C < T
A
< +85°C, unless
otherwise noted.
Table 1.
Parameter
Symbol
Conditions
DC CHARACTERISTICS
RHEOSTAT MODE
Resolution
N
AD5251/AD5252
Resistor Differential
Nonlinearity
2
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5252
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5251
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5252
Resistor Nonlinearity
2
R-INL
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5251
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5252
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5251
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5252
Nominal Resistor Tolerance
R
AB
/R
AB
T
A
= 25°C
Resistance Temperature
Coefficent
(R
AB
/R
AB
) × 10
6
/T
Wiper Resistance
R
W
I
W
= 1 V/R, V
DD
= 5 V
I
W
= 1 V/R, V
DD
= 3 V
Channel Resistance Matching
R
AB1
/R
AB3
DC CHARACTERISTIC
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity
3
DNL
AD5251
AD5252
Integral Nonlinearity
3
INL
AD5251
AD5252
Voltage Divider Temperature
Coefficent
(V
W
/V
W
) × 10
6
/T
Code = half scale
Full-Scale Error
V
WFSE
Code = full scale, V
DD
= 5.5 V, AD5251
Code = full scale, V
DD
= 5.5 V, AD5252
Code = full scale, V
DD
= 2.7 V, AD5251
Code = full scale, V
DD
= 2.7 V, AD5252
Zero-Scale Error
V
WZSE
Code = zero scale, V
DD
= 5.5 V, AD5251
Code = zero scale, V
DD
= 5.5 V, AD5252
Code = zero scale, V
DD
= 2.7 V, AD5251
Code = zero scale, V
DD
= 2.7 V, AD5252
RESISTOR TERMINALS
Voltage Range
4
V
A
, V
B
, V
W
Capacitance
5
Ax, Bx
C
A
, C
B
f = 1 kHz, measured to GND,
Code = half scale
Capacitance
5
Wx
C
W
f = 1 kHz, measured to GND,
Code = half scale
Common-Mode Leakage
Current
I
CM
V
A
= V
B
= V
DD
/2
DIGITAL INPUTS and OUTPUTS
Input Logic High
V
IH
V
DD
= 5 V, V
SS
= 0 V
V
DD
/V
SS
= 2.7 V/0 V or V
DD
/V
SS
= ± 2.5 V
Input Logic Low
V
IL
V
DD
= 5V, V
SS
= 0 V
Output Logic High (SDA)
V
OH
R
PULL-UP
= 2.2 k to V
DD
= 5 V, V
SS
= 0 V
Output Logic Low (SDA)
V
OL
R
PULL-UP
= 2.2 k to V
DD
=5 V, V
SS
= 0 V
Rev. 0 | Page 3 of 28
Min
Typ
1
Max
Unit
–0.5
±0.2
6/8
+0.5
Bits
LSB
R-DNL
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5251
–1
–0.75
–1.5
–0.5
–2
–1
–2
–30
±0.25
±0.3
±0.3
±0.2
±0.5
+2.5
+9
+1
+0.75
+1.5
+0.5
+2
+4
+14
+30
LSB
LSB
LSB
LSB
LSB
LSB
LSB
%
650
75
200
0.15
130
300
ppm/°C
%
–0.5
–1
–0.5
–2
±0.1
±0.25
±0.2
±0.5
+0.5
+1
+0.5
+2
LSB
LSB
LSB
LSB
–5
–16
6
–23
0
0
0
0
V
SS
25
–3
–11
–4
–16
3
11
4
15
85
0
0
0
0
5
16
6
20
V
DD
ppm/°C
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
V
pF
95
pF
2.4
2.1
4.9
0.01
1
0.8
0.4
μA
V
V
V
V
V
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