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參數(shù)資料
型號： MCP4012T-202E/CH
廠商： Microchip Technology
文件頁數(shù)： 45/54頁
文件大?。?/td> 0K
描述： IC DGTL POT 2.1K 1CH RHE SOT23-6
標準包裝： 1
接片： 64
電阻（歐姆）： 2.1k
電路數(shù)： 1
溫度系數(shù)： 標準值 150 ppm/°C
存儲器類型： 易失
接口： 2 線串行（芯片選擇，增/減）
電源電壓： 1.8 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： SOT-23-6
供應商設備封裝： SOT-23-6
包裝： 標準包裝
產品目錄頁面： 674 (CN2011-ZH PDF)
其它名稱： MCP4012T-202E/CHDKR
2006 Microchip Technology Inc.
DS21978C-page 5
MCP4011/2/3/4
Digital Inputs/Outputs (CS, U/D)
Input High Voltage
VIH
0.7 VDD
——
V
Input Low Voltage
VIL
——
0.3 VDD
V
High-Voltage Input Entry Voltage
VIHH
8.5
—
12.5 (6)
V
Threshold for WiperLock
Technology
High-Voltage Input Exit Voltage
VIHH
——
VDD+0.8(6)
V
CS Pull-up/Pull-down Resistance
RCS
—16
—
k
Ω
VDD = 5.5V, VCS = 3V
CS Weak Pull-up/Pull-down Current
IPU
—170
—
A
VDD = 5.5V, VCS = 3V
Input Leakage Current
IIL
-1
—
1
A
VIN = VDD
CS and U/D Pin Capacitance
CIN,
COUT
—10
—
pF
fC = 1 MHz, VDD ≥ 2.7V
RAM (Wiper) Value
Value Range
N
0h
—
3Fh
hex
Default POR Setting
N
1Fh
hex
Power Requirements
Power Supply Sensitivity
(MCP4011 and MCP4013 only)
PSS
—
0.0015
0.0035
%/%
VDD = 4.5V to 5.5V, VA = 4.5V,
Code = 1Fh
—
0.0015
0.0035
%/%
VDD = 2.7V to 4.5V, VA = 2.7V,
Code = 1Fh
AC/DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, all parameters apply across the specified operating ranges.
TA = -40°C to +125°C, 2.1 kΩ, 5kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for VDD = 2.7V to 5.5V,
VSS = 0V, 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. (-202 devices VA = 4V).
3:
MCP4011/13 only, test conditions are: IW = 1.9 mA, code = 00h.
4: MCP4012/14 only, test conditions are:
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. See
Section 6.0 “Resistor” for additional information.
8:
For voltages below 2.7V, refer to Section 2.0 “Typical Performance Curves”.
9:
The MCP4011 is externally connected to match the configurations of the MCP4012 and MCP4014 and then tested.
Device
Resistance
Current at Voltage
Comments
5.5V
2.7V
2.1 k
Ω
2.25 mA
1.1 mA
MCP4012 includes VWZSE
MCP4014 includes VWFSE
5k
Ω
1.4 mA
450 A
10 k
Ω
450 A
210 A
50 k
Ω
90 A
40 A
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