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參數(shù)資料
型號： MCP4461T-502E/ST
廠商： Microchip Technology
文件頁數(shù)： 57/100頁
文件大小： 0K
描述： IC DGTL POT 257TAPS 5K 20TSSOP
標(biāo)準(zhǔn)包裝： 2,500
接片： 257
電阻（歐姆）： 5k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲器類型： 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
安裝類型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 20-TSSOP
包裝： 帶卷 (TR)
MCP444X/446X
DS22265A-page 6
2010 Microchip Technology Inc.
Resistor Terminal
Input Voltage
Range (Terminals
A, B and W)
VA,VW,VB
Vss
—
VDD
V
Maximum current
through A, W or B
IW
—
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 (W = FS) or
IBW (W = ZS)
Maximum RAB
current (IAB)
IAB
——
1.38
mA
VB = 0V, VA = 5.5V, RAB(MIN) = 4000Ω
—
0.688
mA
VB = 0V, VA = 5.5V, RAB(MIN) = 8000Ω
—
0.138
mA
VB = 0V, VA = 5.5V, RAB(MIN) = 40000Ω
—
0.069
mA
VB = 0V, VA = 5.5V, RAB(MIN) = 80000Ω
Leakage current
into A, W or B
IWL
—100
—
nA
MCP44X1
PxA = PxW = PxB = VSS
—100
—
nA
MCP44X2
PxB = PxW = VSS
—
100
—
nA
Terminals Disconnected
(R0A = R0W = R0B = 0;
R1A = R1W = R1B = 0;
R2A = R2W = R2B = 0;
R3A = R3W = R3B = 0)
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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