RAB 4.0 5 6.0 k Ω -502 d" />
參數(shù)資料
型號： MCP4462T-502E/ST
廠商： Microchip Technology
文件頁數(shù)： 46/100頁
文件大?。?/td> 0K
描述： IC DGTL POT 257TAPS 5K 14TSSOP
標準包裝： 2,500
接片： 257
電阻（歐姆）： 5k
電路數(shù)： 4
溫度系數(shù)： 標準值 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： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 帶卷 (TR)
2010 Microchip Technology Inc.
DS22265A-page 5
MCP444X/446X
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
257
Taps
8-bit
No Missing Codes
129
Taps
7-bit
No Missing Codes
Step Resistance
RS
—RAB /
(256)
—
Ω
8-bit
—RAB /
(128)
—
Ω
7-bit
Nominal
Resistance Match
(| RABWC -
RABMEAN |) /
RABMEAN
—
0.2
1.50
%
5 k
Ω
MCP44X1
devices only
—
0.2
1.25
%
10 k
Ω
—0.2
1.0
%
50 k
Ω
—
0.2
1.0
%
100 k
Ω
(| RBWWC -
RBWMEAN |) /
RBWMEAN
—0.25
1.75
%
5 k
Ω
Code = Full Scale
—0.25
1.50
%
10 k
Ω
—0.25
1.25
%
50 k
Ω
—
0.25
1.25
%
100 k
Ω
Wiper Resistance
RW
—
75
160
Ω
VDD = 5.5 V, IW = 2.0 mA, code = 00h
—
75
300
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 (80h or 40h)
Resistance
Tracking
ΔRTRACK
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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