参数资料
型号: MCP4261-104E/ML
厂商: Microchip Technology
文件页数: 45/88页
文件大小: 0K
描述: IC POT DGTL DUAL 100K SPI 16QFN
标准包装: 91
系列: WiperLock™
接片: 257
电阻(欧姆): 100k
电路数: 2
温度系数: 标准值 150 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
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-VQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(4x4)
包装: 管件
2008 Microchip Technology Inc.
DS22059B-page 5
MCP414X/416X/424X/426X
Resistance
(± 20%)
RAB
4.0
5
6.0
k
-502 devices (Note 1)
8.0
10
12.0
k
-103 devices (Note 1)
40.0
50
60.0
k
-503 devices (Note 1)
80.0
100
120.0
k
-104 devices (Note 1)
Resolution
N
257
Taps
8-bit
No Missing Codes
129
Taps
7-bit
No Missing Codes
Step Resistance
RS
—RAB /
(256)
8-bit
—RAB /
(128)
7-bit
Nominal
Resistance Match
|RAB0 - RAB1|
/ RAB
0.2
1.25
%
MCP42X1
devices only
|RBW0 - RBW1|
/ RBW
—0.25
1.5
%
MCP42X2
devices only,
Code = Full-Scale
Wiper Resistance
RW
75
160
VDD = 5.5 V, IW = 2.0 mA, code = 00h
75
300
VDD = 2.7 V, IW = 2.0 mA, code = 00h
Nominal
Resistance
Tempco
ΔRAB/ΔT
50
ppm/°C TA = -20°C to +70°C
100
ppm/°C TA = -40°C to +85°C
150
ppm/°C TA = -40°C to +125°C
Ratiometeric
Tempco
ΔVWB/ΔT
15
ppm/°C Code = Midscale (80h or 40h)
Resistor Terminal
Input Voltage
Range (Terminals
A, B and W)
VA,VW,VB
Vss
VDD
V
Maximum current
through A, W or B
IW
——
2.5
mA
, Worst case current through
wiper when wiper is either Full-Scale or
Zero Scale.
Leakage current
into A, W or B
IWL
—100
nA
MCP4XX1
PxA = PxW = PxB = VSS
—100
nA
MCP4XX2
PxB = PxW = VSS
AC/DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40°C
≤ TA ≤ +125°C (extended)
All parameters apply across the specified operating ranges unless noted.
VDD = +2.7V to 5.5V, 5 k, 10 k, 50 k, 100 k devices.
Typical specifications represent values for VDD = 5.5V, TA = +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
Resistance is defined as the resistance between terminal A to terminal B.
2:
INL and DNL are measured at VW with VA = VDD and VB = VSS.
3:
MCP4XX1
only.
4:
MCP4XX2
only, includes VWZSE and VWFSE.
5:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
6:
This specification by design.
7:
Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and
temperature.
8:
The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and
then tested.
9:
POR/BOR is not rate dependent.
10:
Supply current is independent of current through the resistor network
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