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| 型号： | MCP40D19T-503E/LT |
| 厂商： | Microchip Technology |
| 文件页数： | 39/43页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 50K 128TAPS SC70-5 |
| 标准包装： | 1 |
| 接片： | 128 |
| 电阻（欧姆）： | 50k |
| 电路数： | 1 |
| 温度系数： | 标准值 150 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | I²C |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP（5 引线），SC-88A，SOT-353 |
| 供应商设备封装： | SC-70-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 674 (CN2011-ZH PDF) |
| 其它名称： | MCP40D19T-503E/LTDKR |
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2009 Microchip Technology Inc.
DS22152B-page 5
MCP40D17/18/19
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
ΔR
AB/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
ΔV
WB/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
≤ 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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