参数资料
型号: AD5274BRMZ-20
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: IC DGTL POT 20K 256POS 10MSOP
标准包装: 50
接片: 256
电阻(欧姆): 20k
电路数: 1
温度系数: 标准值 5 ppm/°C
存储器类型: 非易失
接口: I²C
电源电压: 2.7 V ~ 5.5 V,±2.5 V ~ 2.75 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
产品目录页面: 787 (CN2011-ZH PDF)
Data Sheet
AD5272/AD5274
Rev. D | Page 3 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—AD5272
VDD = 2.7 V to 5.5 V, VSS = 0 V; VDD = 2.5 V to 2.75 V, VSS = 2.5 V to 2.75 V; 40°C < TA < +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resolution
10
Bits
Resistor Integral Nonlinearity2, 3
R-INL
RAW= 20 k, |VDD VSS| = 3.0 V to 5.5 V
1
+1
LSB
RAW= 20 k, |VDD VSS| = 2.7 V to 3.0 V
1
+1.5
LSB
RAW= 50 k, 100 k
1
+1
LSB
Resistor Differential Nonlinearity2
R-DNL
1
+1
LSB
Nominal Resistor Tolerance
R-Perf Mode4
1
±0.5
+1
%
Normal Mode
±15
%
Resistance Temperature Coefficient5, 6
Code = full scale
5
ppm/°C
Wiper Resistance
Code = zero scale
35
70
RESISTOR TERMINALS
Terminal Voltage Range5, 7
VSS
VDD
V
Capacitance5 A
f = 1 MHz, measured to GND, code = half scale
90
pF
Capacitance5 W
f = 1 MHz, measured to GND, code = half scale
40
pF
Common-Mode Leakage Current5
VA = VW
50
nA
DIGITAL INPUTS
Input Logic5
High
VINH
2.0
V
Low
VINL
0.8
V
Input Current
IIN
±1
A
Input Capacitance5
CIN
5
pF
DIGITAL OUTPUT
Output Voltage5
High
VOH
RPULL_UP = 2.2 k to VDD
VDD 0.1
V
Low
VOL
RPULL_UP = 2.2 k to VDD
VDD = 2.7 V to 5.5 V, VSS = 0 V
0.4
V
VDD = 2.5 V to 2.75 V, VSS = 2.5 V to 2.75 V
0.6
V
Tristate Leakage Current
1
+1
A
Output Capacitance5
5
pF
POWER SUPPLIES
Single-Supply Power Range
VSS = 0 V
2.7
5.5
V
Dual-Supply Power Range
±2.5
±2.75
V
Supply Current
Positive
IDD
1
A
Negative
ISS
1
A
50-TP Store Current5, 8
Positive
IDD_OTP_STORE
4
mA
Negative
ISS_OTP_STORE
4
mA
50-TP Read Current5, 9
Positive
IDD_OTP_READ
500
A
Negative
ISS_OTP_READ
500
A
Power Dissipation10
VIH = VDD or VIL = GND
5.5
W
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