参数资料
| 型号： | AD5172BRM50 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 24/28页 |
| 文件大小： | 0K |
| 描述： | IC POT DUAL 50K 256POS 10-MSOP |
| 标准包装： | 50 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 2 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C |
| 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： | 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： | 786 (CN2011-ZH PDF) |
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Data Sheet
AD5172/AD5173
Rev. I | Page 5 of 28
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
VW Settling Time
tS
VA = 5 V, VB = 0 V, ±1 LSB
error band
1
s
Resistor Noise Voltage Density
eN_WB
RWB = 1.25 k, RS = 0
3.2
nV/√Hz
1
Typical specifications represent average readings at 25°C and VDD = 5 V.
2
Resistor position nonlinearity error, R-INL, is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper
positions. R-DNL measures the relative step change from the ideal between successive tap positions. Parts are guaranteed monotonic.
3
VA = VDD, VB = 0 V, wiper (VW) = no connect.
4
Specifications apply to all VRs.
5
INL and DNL are measured at VW with the RDAC configured as a potentiometer divider similar to a voltage output DAC. VA = VDD and VB = 0 V. DNL specification limits
of ±1 LSB maximum are guaranteed monotonic operating conditions.
6
Resistor Terminal A, Resistor Terminal B, and Resistor Terminal W have no limitations on polarity with respect to each other.
7
Guaranteed by design, but not subject to production test.
8
Measured at Terminal A. Terminal A is open circuited in shutdown mode.
9
The minimum voltage requirement on the VIH is 0.7 V × VDD. For example, VIH minimum = 3.5 V when VDD = 5 V. It is typical for the SCL and SDA resistors to be pulled up to VDD.
However, care must be taken to ensure that the minimum VIH is met when the SCL and SDA are driven directly from a low voltage logic controller without pull-up resistors.
10
Different from the operating power supply; the power supply for OTP is used one time only.
11
Different from the operating current; the supply current for OTP lasts approximately 400 ms for one time only.
12
See Figure 30 for an energy plot during an OTP program.
13
PDISS is calculated from (IDD × VDD). CMOS logic level inputs result in minimum power dissipation.
14
All dynamic characteristics use VDD = 5 V.
ELECTRICAL CHARACTERISTICS: 10 k, 50 k, AND 100 k
VDD = 5 V ± 10% or 3 V ± 10%; VA = VDD; VB = 0 V; 40°C < TA < +125°C; unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect
1
±0.1
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect
2.5
±0.25
+2.5
LSB
Nominal Resistor Tolerance3
ΔRAB
TA = 25°C
20
+20
%
Resistance Temperature Coefficient
(ΔRAB/RAB)/ΔT
35
ppm/°C
Wiper Resistance
RWB
Code = 0x00, VDD = 5 V
160
200
DC CHARACTERISTICS—POTENTIOMETER DIVIDER
MODE4
Differential Nonlinearity5
DNL
1
±0.1
+1
LSB
Integral Nonlinearity5
INL
1
±0.3
+1
LSB
Voltage Divider Temperature Coefficient
(ΔVW/VW)/ΔT
Code = 0x80
15
ppm/°C
Full-Scale Error
VWFSE
Code = 0xFF
2.5
1
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
1
2.5
LSB
RESISTOR TERMINALS
Voltage Range6
VA, VB, VW
GND
VDD
V
Capacitance A, B7
CA, CB
f = 1 MHz, measured to
GND, code = 0x80
45
pF
Capacitance W7
CW
f = 1 MHz, measured to
GND, code = 0x80
60
pF
Shutdown Supply Current8
IA_SD
VDD = 5.5 V
0.01
1
A
Common-Mode Leakage
ICM
VA = VB = VDD/2
1
nA
DIGITAL INPUTS AND OUTPUTS
SDA and SCL
Input Logic High9
VIH
VDD = 5 V
0.7 VDD
VDD + 0.5
V
Input Logic Low9
VIL
VDD = 5 V
0.5
+0.3 VDD
V
AD0 and AD1
Input Logic High
VIH
VDD = 3 V
2.1
V
Input Logic Low
VIL
VDD = 3 V
0.6
V
Input Current
IIL
VIN = 0 V or 5 V
±1
A
Input Capacitance7
CIL
5
pF
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| AD5172BRMZ10 | 功能描述:IC POT DUAL 10K 256POS 10MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
| AD5172BRMZ100 | 功能描述:IC DGTL POT DUAL 100K I2C 10MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 35 ppm/°C 存储器类型:非易失 接口:3 线串口 电源电压:2.7 V ~ 5.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN-EP（3x3） 包装:剪切带 (CT) 产品目录页面:1399 (CN2011-ZH PDF) 其它名称:MAX5423ETA+TCT |
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| AD5172BRMZ1002 | 制造商:AD 制造商全称:Analog Devices 功能描述:256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers |
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