IPU — 1.75 mA
參數(shù)資料
型號： MCP4441T-502E/ML
廠商： Microchip Technology
文件頁數(shù)： 4/100頁
文件大?。?/td> 0K
描述： IC DGTL POT 129TAPS QUAD 20QFN
標(biāo)準(zhǔn)包裝： 3,300
接片： 129
電阻（歐姆）： 5k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲器類型： 非易失
接口： I²C（設(shè)備位址）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 20-QFN 裸露焊盤（4x4）
包裝： 帶卷 (TR)
2010 Microchip Technology Inc.
DS22265A-page 11
MCP444X/446X
Weak Pull-up
Current
IPU
—
1.75
mA
Internal VDD pull-up, VIHH pull-down,
VDD = 5.5V, VHVC = 12.5V
—
170
—
A
HVC pin, VDD = 5.5V, VHVC = 3V
HVC Pull-up /
Pull-down
Resistance
RHVC
—16
—
k
Ω
VDD = 5.5V, VHVC = 3V
RESET Pull-up
Resistance
RRESET
—16
—
k
Ω
VDD = 5.5V, VRESET = 0V
Input Leakage
Current
IIL
-1
—
1
A
VIN = VDD (all pins) and
VIN = VSS (all pins except RESET)
Pin Capacitance
CIN, COUT
—10
—
pF
fC = 20 MHz
RAM (Wiper, TCON) Value
Value Range
N
0h
—
1FFh
hex
8-bit device
0h
—
1FFh
hex
7-bit device
TCON POR/BOR
Setting
1FF
hex
All Terminals connected
EEPROM
Endurance
Endurance
—1M
—
Cycles
EEPROM Range
N
0h
—
1FFh
hex
Initial NV Wiper
POR/BOR Setting
N
080h
hex
8-bit
WiperLock Technology = Off
040h
hex
7-bit
WiperLock Technology = Off
Initial EEPROM
POR/BOR Setting
N
000h
hex
EEPROM
Programming
Write Cycle Time
tWC
—3
10
ms
Power Requirements
Power Supply
Sensitivity
(MCP44X1)
PSS
—
0.0015
0.0035
%/%
8-bit
VDD = 2.7V to 5.5V,
VA = 2.7V, Code = 80h
—
0.0015
0.0035
%/%
7-bit
VDD = 2.7V to 5.5V,
VA = 2.7V, Code = 40h
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 kΩ, 10 kΩ, 50 kΩ, 100 kΩ 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:
MCP44X1
only.
4:
MCP44X2
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 MCP44X1 is externally connected to match the configurations of the MCP44X2, and then tested.
9:
POR/BOR is not rate dependent.
10:
Supply current is independent of current through the resistor network.
11:
When HVC/A0 = VIHH, the IDD current is less due to current into the HVC/A0 pin. See IPU specification.
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