参数资料
型号: AD5231BRUZ10-REEL7
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: IC DGTL POT 1024POS 10K 16TSSOP
标准包装: 1
接片: 1024
电阻(欧姆): 10k
电路数: 1
温度系数: 标准值 600 ppm/°C
存储器类型: 非易失
接口: 4 线 SPI(芯片选择)
电源电压: 2.7 V ~ 5.5 V,±2.25 V ~ 2.75 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 标准包装
其它名称: AD5231BRUZ10-REEL7DKR
Data Sheet
AD5231
Rev. D | Page 3 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—10 k, 50 k, 100 k VERSIONS
VDD = 3 V ± 10% or 5 V ± 10%, VSS = 0 V, VA = VDD, VB = 0 V, 40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—
RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = NC, monotonic
1
±1/2
+1.8
LSB
Resistor Integral Nonlinearity2
R-INL
RWB,VA = NC
0.2
+0.2
LSB
Nominal Resistor Tolerance
ΔRAB/RAB
D = 0x3FF
40
+20
%
Resistance Temperature Coefficient
(ΔRWB/RWB)/ΔT × 106
600
ppm/°C
Wiper Resistance
RW
IW = 100 A, VDD = 5.5 V,
code = half scale
15
100
IW = 100 A, VDD = 3 V,
code = half scale
50
DC CHARACTERISTICS—
POTENTIOMETER DIVIDER MODE
Resolution
N
10
Bits
Differential Nonlinearity3
DNL
Monotonic, TA = 25°C
1
±1/2
+1
LSB
Monotonic, TA = 40°C or +85°C
1
+1.25
LSB
Integral Nonlinearity3
INL
0.4
+0.4
LSB
Voltage Divider Temperature
Coefficient
(ΔVW/VW)/ΔT × 106
Code = half scale
15
ppm/°C
Full-Scale Error
VWFSE
Code = full scale
3
0
% FS
Zero-Scale Error
VWZSE
Code = zero scale
0
1.5
% FS
RESISTOR TERMINALS
Terminal Voltage Range4
VA, B,W
VSS
VDD
V
Capacitance A, B5
CA, B
f = 1 MHz, measured to GND,
code = half-scale
50
pF
Capacitance W5
CW
f = 1 MHz, measured to GND,
code = half-scale
50
pF
Common-Mode Leakage Current5, 6
ICM
VW = VDD/2
0.01
1
A
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
With respect to GND, VDD = 5 V
2.4
V
Input Logic Low
VIL
With respect to GND, VDD = 5 V
0.8
V
Input Logic High
VIH
With respect to GND, VDD = 3 V
2.1
V
Input Logic Low
VIL
With respect to GND, VDD = 3 V
0.6
V
Input Logic High
VIH
With respect to GND, VDD = +2.5 V,
VSS = 2.5 V
2.0
V
Input Logic Low
VIL
With respect to GND, VDD = +2.5 V,
VSS = 2.5 V
0.5
V
Output Logic High (SDO, RDY)
VOH
RPULL-UP = 2.2 k to 5 V
4.9
V
Output Logic Low
VOL
IOL = 1.6 mA, VLOGIC = 5 V
0.4
V
Input Current
IIL
VIN = 0 V or VDD
±2.5
A
Input Capacitance5
CIL
4
pF
Output Current5
IO1, IO2
VDD = 5 V, VSS = 0 V, TA = 25°C
50
mA
VDD = 2.5 V, VSS = 0 V, TA = 25°C
7
mA
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