Datasheet 搜索 > 数字电位器 > ADI（亚德诺） > AD5254BRUZ10 数据手册 > AD5254BRUZ10 数据手册 3/33 页
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AD5254BRUZ10 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
数字电位器
封装:
TSSOP-20
描述:
ANALOG DEVICES AD5254BRUZ10 非易失性数字电位器, 10 kohm, 四, I2C, 串行, 线性, ± 20%, 2.7 V
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AD5254BRUZ10数据手册
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Data Sheet AD5253/AD5254
Rev. C | Page 3 of 32
ELECTRICAL CHARACTERISTICS
1 kΩ 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
< +105°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ
1
Max Unit
DC CHARACTERISTICS—
RHEOSTAT MODE
Resolution N AD5253 6 Bits
AD5254 8 Bits
Resistor Differential Nonlinearity
2
R-DNL
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5253 –0.5 ±0.2 +0.5 LSB
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5254 –1.00 ±0.25 +1.00 LSB
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5253 –0.75 ±0.30 +0.75 LSB
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5254 –1.5 ±0.3 +1.5 LSB
Resistor Nonlinearity
2
R-INL R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5253 –0.5 ±0.2 +0.5 LSB
R
WB
, R
WA
= NC, V
DD
= 5.5 V, AD5254 –2.0 ±0.5 +2.0 LSB
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5253 –1.0 +2.5 +4.0 LSB
R
WB
, R
WA
= NC, V
DD
= 2.7 V, AD5254 –2 +9 +14 LSB
Nominal Resistor Tolerance ΔR
AB
/R
AB
T
A
= 25°C –30 +30 %
Resistance Temperature Coefficient
(ΔR
AB
/R
AB
) × 10
6
/ΔT
650
ppm/°C
Wiper Resistance R
W
I
W
= 1 V/R, V
DD
= 5 V 75 130 Ω
I
W
= 1 V/R, V
DD
= 3 V 200 300 Ω
Channel-Resistance Matching ΔR
AB1
/ΔR
AB2
0.15 %
DC CHARACTERISTICS—
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity
3
DNL AD5253 –0.5 ±0.1 +0.5 LSB
AD5254 –1.00 ±0.25 +1.00 LSB
Integral Nonlinearity
3
INL AD5253 –0.5 ±0.2 +0.5 LSB
AD5254 –2.0 ±0.5 +2.0 LSB
Voltage Divider Tempco (ΔV
W
/V
W
) × 10
6
/ΔT Code = half scale 25 ppm/°C
Full-Scale Error V
WFSE
Code = full scale, V
DD
= 5.5 V, AD5253 –5 –3 0 LSB
Code = full scale, V
DD
= 5.5 V, AD5254 –16 –11 0 LSB
Code = full scale, V
DD
= 2.7 V, AD5253
–6
–4
0
LSB
Code = full scale, V
DD
= 2.7 V, AD5254
–23
–16
0
LSB
Zero-Scale Error V
WZSE
Code = zero scale, V
DD
= 5.5 V, AD5253 0 3 5 LSB
Code = zero scale, V
DD
= 5.5 V, AD5254 0 11 16 LSB
Code = zero scale, V
DD
= 2.7 V, AD5253 0 4 6 LSB
Code = zero scale, V
DD
= 2.7 V, AD5254 0 15 20 LSB
RESISTOR TERMINALS
Voltage Range
4
V
A
, V
B
, V
W
V
SS
V
DD
V
Capacitance
5
A, B C
A
, C
B
f = 1 kHz, measured to GND,
code = half scale
85 pF
Capacitance
5
W C
W
f = 1 kHz, measured to GND,
code = half scale
95 pF
Common-Mode Leakage Current I
CM
V
A
= V
B
= V
DD
/2 0.01 1.00 µA
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