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| 型号： | MCP4461T-502E/ML |
| 厂商： | Microchip Technology |
| 文件页数： | 4/100页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 257TAPS 5K 20QFN |
| 标准包装： | 3,300 |
| 接片： | 257 |
| 电阻（欧姆）： | 5k |
| 电路数： | 4 |
| 温度系数： | 标准值 150 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 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： | 20-VFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
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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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| MCP4461T-503E/ML | 功能描述:数字电位计 IC 50k I2C Qd Ch 8bit Nonvolatile memory RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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