MCP4018-502E_LT 查看數據表（PDF） - Microchip Technology
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MCP4018-502E_LT Datasheet PDF : 66 Pages
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MCP4017/18/19
AC/DC CHARACTERISTICS (CONTINUED)
DC Characteristics
Parameters
Sym
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.
Min
Typ Max Units
Conditions
Digital Inputs/Outputs (SDA, SCK)
Schmitt Trigger
High Input
Threshold
VIH
0.7 VDD —
—
V 1.8V ≤ VDD ≤ 5.5V
Schmitt Trigger
Low Input
Threshold
VIL
-0.5
— 0.3VDD
V
Hysteresis of
Schmitt Trigger
Inputs (Note 5)
Output Low
Voltage (SDA)
Input Leakage
Current
VHYS
VOL
IIL
—
N.A.
0.1VDD
—
N.A.
—
0.1 VDD —
0.05 VDD —
VSS
—
VSS
—
-1
—
—
—
—
—
—
0.2VDD
0.4
1
V All inputs except SDA and SCL
V
V
SDA
and
100 kHz VDD < 2.0V
VDD ≥ 2.0V
V
SCL 400 kHz VDD < 2.0V
V
VDD ≥ 2.0V
V VDD < 2.0V, IOL = 1 mA
V VDD ≥ 2.0V, IOL = 3 mA
µA VIN = VDD and VIN = VSS
Pin Capacitance CIN, COUT
—
RAM (Wiper) Value
10
—
pF fC = 400 kHz
Value Range
N
0h
—
7Fh
hex
Wiper POR/BOR NPOR/BOR
3Fh
hex
Value
Power Requirements
Power Supply
Sensitivity
(MCP4018 only)
PSS
— 0.0005 0.0035 %/%
VDD = 2.7V to 5.5V,
VA = 2.7V, Code = 3Fh
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: MCP4018 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
DS22147A-page 8
© 2009 Microchip Technology Inc.
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