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參數(shù)資料
| 型號： | MCP40D19T-503E/LT |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 42/43頁 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 50K 128TAPS SC70-5 |
| 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（5 引線），SC-88A，SOT-353 |
| 供應(yīng)商設(shè)備封裝： | SC-70-5 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 674 (CN2011-ZH PDF) |
| 其它名稱： | MCP40D19T-503E/LTDKR |
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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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