參數(shù)資料
型號(hào)： MCP4461-104E/ML
廠(chǎng)商： Microchip Technology
文件頁(yè)數(shù)： 90/100頁(yè)
文件大小： 0K
描述： IC DGTL POT 257TAPS 100K 20QFN
標(biāo)準(zhǔn)包裝： 91
接片： 257
電阻（歐姆）： 100k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲(chǔ)器類(lèi)型： 非易失
接口： I²C（設(shè)備位址）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 20-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 20-QFN 裸露焊盤(pán)（4x4）
包裝： 管件
2010 Microchip Technology Inc.
DS22265A-page 9
MCP444X/446X
Rheostat
Differential Non-
linearity
MCP44X1
MCP44X2
devices
only
R-DNL
-0.5
±0.25
+0.5
LSb
5 k
Ω
8-bit
5.5V, IW = 900 A
-1.0
+0.5
+1.0
LSb
3.0V, IW = 480 A
-0.375
±0.25
+0.375
LSb
7-bit
5.5V, IW = 900 A
-0.75
+0.5
+0.75
LSb
3.0V, IW = 480 A
-0.5
±0.25
+0.5
LSb
10 k
Ω
8-bit
5.5V, IW = 450 A
-1.0
+0.25
+1.0
LSb
3.0V, IW = 240 A
-0.375
±0.25
+0.375
LSb
7-bit
5.5V, IW = 450 A
-0.75
+0.5
+0.75
LSb
3.0V, IW = 240 A
-0.5
±0.25
+0.5
LSb
50 k
Ω
8-bit
5.5V, IW = 90 A
-0.5
±0.25
+0.5
LSb
3.0V, IW = 48 A
-0.375
±0.25
+0.375
LSb
7-bit
5.5V, IW = 90 A
-0.375
±0.25
+0.375
LSb
3.0V, IW = 48 A
-0.5
±0.25
+0.5
LSb
100 k
Ω 8-bit
5.5V, IW = 45 A
-0.5
±0.25
+0.5
LSb
3.0V, IW = 24 A
-0.375
±0.25
+0.375
LSb
7-bit
5.5V, IW = 45 A
-0.375
±0.25
+0.375
LSb
3.0V, IW = 24 A
Capacitance (PA)CAW
—
75
—
pF
f =1 MHz, Code = Full Scale
Capacitance (Pw)CW
—
120
—
pF
f =1 MHz, Code = Full Scale
Capacitance (PB)CBW
—
75
—
pF
f =1 MHz, Code = Full Scale
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:
MCP44X1
only.
4:
MCP44X2
only, includes VWZSE and VWFSE.
5:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
6:
This specification by design.
7:
Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and
temperature.
8:
The MCP44X1 is externally connected to match the configurations of the MCP44X2, and then tested.
9:
POR/BOR is not rate dependent.
10:
Supply current is independent of current through the resistor network.
11:
When HVC/A0 = VIHH, the IDD current is less due to current into the HVC/A0 pin. See IPU specification.
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