RAB 4.0 5 6.0 k -502 de" />
參數(shù)資料
型號： MCP4352-503E/ST
廠商： Microchip Technology
文件頁數(shù)： 31/35頁
文件大?。?/td> 0K
描述： IC POT 8BIT QUAD 50K 14TSSOP
標(biāo)準(zhǔn)包裝： 96
接片： 257
電阻（歐姆）： 50k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 150 ppm/°C
存儲器類型： 易失
接口： 4 線 SPI（芯片選擇）
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： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 管件
產(chǎn)品目錄頁面： 676 (CN2011-ZH PDF)
2010 Microchip Technology Inc.
DS22242A-page 5
MCP433X/435X
Resistance
(± 20%)
RAB
4.0
5
6.0
k
-502 devices
8.0
10
12.0
k
-103 devices
40.0
50
60.0
k
-503 devices
80.0
100
120.0
k
-104 devices
Resolution
N
257
Taps
8-bit
No Missing Codes
129
Taps
7-bit
No Missing Codes
Step Resistance
RS
—RAB/
(256)
—
8-bit
—RAB/
(128)
—
7-bit
Nominal
Resistance Match
(| RABWC -
RABMEAN |)/
RABMEAN
—0.2
1.50
%
5 k
MCP43X1 devices only
—0.2
1.25
%
10 k
—0.2
1.0
%
50 k
—0.2
1.0
%
100 k
(| RBWWC -
RBWMEAN |)/
RBWMEAN
—
0.25
1.75
%
5 k
Code = Full Scale
—
0.25
1.50
%
10 k
—
0.25
1.25
%
50 k
—
0.25
1.25
%
100 k
Wiper Resistance
RW
—75
160
VDD = 5.5 V, IW = 2.0 mA, code = 00h
—75
300
VDD = 2.7 V, IW = 2.0 mA, code = 00h
Nominal
Resistance
Tempco
RAB/T—
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
VWB/T
—
15
—
ppm/°C Code = Mid-scale (80h or 40h)
Resistance
Tracking
RTRACK
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 k, 10 k, 50 k, 100 k 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:
MCP43X1 only.
4:
MCP43X2 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 MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested.
9:
POR/BOR is not rate dependent.
10: Supply current is independent of current through the resistor network.
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