參數(shù)資料
型號： MCP40D18T-502E/LT
廠商： Microchip Technology
文件頁數(shù)： 42/43頁
文件大?。?/td> 0K
描述： IC DGTL POT 5K 128TAPS SC70-6
標準包裝： 1
接片： 128
電阻（歐姆）： 5k
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： I²C
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： 6-TSSOP，SC-88，SOT-363
供應商設備封裝： SC-70-6
包裝： 標準包裝
產(chǎn)品目錄頁面： 674 (CN2011-ZH PDF)
其它名稱： MCP40D18T-502E/LTDKR
MCP40D17/18/19
DS22152B-page 8
2009 Microchip Technology Inc.
Digital Inputs/Outputs (SDA, SCK)
Schmitt Trigger
High Input
Threshold
VIH
0.7 VDD
——
V
1.8V
≤ V
DD ≤ 5.5V
Schmitt Trigger
Low Input
Threshold
VIL
-0.5
—
0.3VDD
V
Hysteresis of
Schmitt Trigger
Inputs (Note 5)
VHYS
—0.1VDD
—
V
All inputs except SDA and SCL
N.A.
—
V
SDA
and
SCL
100 kHz
VDD < 2.0V
N.A.
—
V
VDD ≥ 2.0V
0.1 VDD
——
V
400 kHz
VDD < 2.0V
0.05 VDD
——
V
VDD ≥ 2.0V
Output Low
Voltage (SDA)
VOL
VSS
—0.2VDD
VVDD < 2.0V, IOL = 1 mA
VSS
—0.4
V
VDD ≥ 2.0V, IOL = 3 mA
Input Leakage
Current
IIL
-1
—
1
A
VIN = VDD and VIN = VSS
Pin Capacitance
CIN, COUT
—10
—
pF
fC = 400 kHz
RAM (Wiper) Value
Value Range
N
0h
—
7Fh
hex
Wiper POR/BOR
Value
NPOR/BOR
3Fh
hex
Power Requirements
Power Supply
Sensitivity
(MCP40D18 only)
PSS
—
0.0005
0.0035
%/%
VDD = 2.7V to 5.5V,
VA = 2.7V, Code = 3Fh
AC/DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
–40°C
≤ T
A ≤ +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:
MCP40D18 device only, includes VWZSE and VWFSE.
4:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
5:
This specification by design.
6:
Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and
temperature.
7:
POR/BOR is not rate dependent.
8:
Supply current is independent of current through the resistor network
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