RAB 4.0 5 6.0 k Ω -502 " />
參數(shù)資料
型號(hào)： MCP4018T-503E/LT
廠商： Microchip Technology
文件頁(yè)數(shù)： 45/51頁(yè)
文件大小： 0K
描述： IC DGTL POT 50K 128TAPS SC70-6
標(biāo)準(zhǔn)包裝： 1
接片： 128
電阻（歐姆）： 50k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲(chǔ)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(yīng)商設(shè)備封裝： SC-70-6
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面： 674 (CN2011-ZH PDF)
其它名稱： MCP4018T-503E/LTDKR
2009 Microchip Technology Inc.
DS22147A-page 5
MCP4017/18/19
Resistance
(± 20%)
RAB
4.0
5
6.0
k
Ω
-502 devices (Note 1)
8.0
10
12.0
k
Ω
-103 devices (Note 1)
40.0
50
60.0
k
Ω
-503 devices (Note 1)
80.0
100
120.0
k
Ω
-104 devices (Note 1)
Resolution
N
128
Taps
No Missing Codes
Step Resistance
RS
—RAB /
(127)
—
Ω
Wiper Resistance
RW
—
100
170
Ω
VDD = 5.5 V, IW = 2.0 mA, code = 00h
—
155
325
Ω
VDD = 2.7 V, IW = 2.0 mA, code = 00h
Nominal
Resistance
Tempco
ΔRAB/ΔT
—
50
—
ppm/°C TA = -20°C to +70°C
—
100
—
ppm/°C TA = -40°C to +85°C
—
150
—
ppm/°C TA = -40°C to +125°C
Ratiometeric
Tempco
ΔVWB/ΔT
—
15
—
ppm/°C Code = Midscale (3Fh)
Resistor Terminal
Input Voltage
Range (Terminals
A, B and W)
VA,VW,VB
Vss
—
VDD
V
Maximum current
through Terminal
(A, W or B)
IT
—
2.5
mA
Terminal A
IAW, W = Full Scale (FS)
—
2.5
mA
Terminal B
IBW, W = Zero Scale (ZS)
—
2.5
mA
Terminal W
IAW or IBW, W = FS or ZS
—
1.38
mA
Terminal A
and
Terminal B
IAB, VB = 0V, VA = 5.5V,
RAB(MIN) = 4000
—
0.688
mA
IAB, VB = 0V, VA = 5.5V,
RAB(MIN) = 8000
—
0.138
mA
IAB, VB = 0V, VA = 5.5V,
RAB(MIN) = 40000
—
0.069
mA
IAB, VB = 0V, VA = 5.5V,
RAB(MIN) = 80000
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: 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
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