参数资料
型号: AD5171BRJZ50-R7
厂商: Analog Devices Inc
文件页数: 18/24页
文件大小: 0K
描述: IC DGTL POT OTP 50K SOT23-8
标准包装: 3,000
接片: 64
电阻(欧姆): 50k
电路数: 1
温度系数: 标准值 35 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SOT-23-8
供应商设备封装: SOT-23-8
包装: 带卷 (TR)
配用: AD5171EVAL-ND - BOARD EVAL FOR AD5171
AD5171
Rev. D | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS: 5 kΩ, 10 kΩ, 50 kΩ, AND 100 kΩ
VDD = 3 V to 5 V ± 10%, VA = VDD, VB = 0 V, 40°C < TA < +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect,
RAB = 10 kΩ, 50 kΩ, and 100 kΩ
0.5
±0.1
+0.5
LSB
RWB, VA = no connect, RAB = 5 kΩ
1
±0.25
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect,
RAB = 10 kΩ, 50 kΩ, and 100 kΩ
1.5
±0.35
+1.5
LSB
RWB, VA = no connect, RAB = 5 kΩ
1.5
±0.5
+1.5
LSB
Nominal Resistor Tolerance3
RAB/RAB
30
+30
%
Resistance Temperature Coefficient
(RAB/RAB)/T
35
ppm/°C
Wiper Resistance
RW
VDD = 5 V
60
115
Ω
DC CHARACTERISTICS POTENTIOMETER DIVIDER
MODE (SPECIFICATIONS APPLY TO ALL RDACs)
Resolution
N
6
Bits
Differential Nonlinearity4
DNL
0.5
±0.1
+0.5
LSB
Integral Nonlinearity4
INL
1
±0.2
+1
LSB
Voltage Divider Temperature Coefficient
(VW/VW)/T
Code = 0x20
5
ppm/°C
Full-Scale Error
VWFSE
Code = 0x3F, RAB = 10 kΩ,
50 kΩ, and 100 kΩ
1
0.5
0
LSB
Full-Scale Error
VWFSE
Code = 0x3F, RAB = 5 kΩ
1.5
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00, RAB =10 kΩ,
50 kΩ, and 100 kΩ
0
0.5
1
LSB
Code = 0x00, RAB = 5 kΩ
0
2
LSB
RESISTOR TERMINALS
Voltage Range5
VA, VB, VW
With respect to GND
VDD
V
Capacitance A, B6
CA, CB
f = 1 MHz, measured to GND,
code = 0x20
25
pF
Capacitance W6
CW
f = 1 MHz, measured to GND,
code = 0x20
55
pF
Common-Mode Leakage
ICM
VA = VB = VDD/2
1
nA
DIGITAL INPUTS
Input Logic High (SDA and SCL)7
VIH
0.7 VDD
VDD + 0.5
V
Input Logic Low (SDA and SCL)7
VIL
0.5
+0.3 VDD
V
Input Logic High (AD0)
VIH
VDD = 3 V
3.0
VDD
V
Input Logic Low (AD0)
VIL
VDD = 3 V
0
1.0
V
Input Current
IIL
VIN = 0 V or 5 V
±1
μA
Input Capacitance8
CIL
3
pF
DIGITAL OUTPUTS
Output Logic Low (SDA)
VOL
IOL = 6 mA
0.4
V
Three-State Leakage Current (SDA)
IOZ
VIN = 0 V or 5 V
±1
μA
Output Capacitance8
COZ
3
pF
POWER SUPPLIES
Power Supply Range
VDD
2.7
5.5
V
OTP Power Supply7, 9
VDD_OTP
TA = 25°C
4.75
5
5.25
V
Supply Current
IDD
VIH = 5 V or VIL = 0 V
4
10
μA
OTP Supply Current7, 10, 11
IDD_OTP
VDD_OTP = 5 V, TA = 25°C
100
mA
Power Dissipation12
PDISS
VIH = 5 V or VIL = 0 V, VDD = 5 V
0.02
0.0
55
mW
Power Supply Sensitivity
PSSR
0.025
+0.001
+0.025
%/%
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