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| 型号： | MCP4262T-503E/UN |
| 厂商： | Microchip Technology |
| 文件页数： | 45/88页 |
| 文件大小： | 0K |
| 描述： | IC RHEOSTAT 50K 2CH 10MSOP |
| 标准包装： | 2,500 |
| 系列： | WiperLock™ |
| 接片： | 257 |
| 电阻（欧姆）： | 50k |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | MCP4262T-503-E/UN MCP4262T-503-E/UNTR MCP4262T-503-E/UNTR-ND MCP4262T-503E/UNTR |
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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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