參數(shù)資料
型號: DS3903E-020+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 7/11頁
文件大?。?/td> 0K
描述: IC POT NV TRIPLE 128POS 20-TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
接片: 128
電阻(歐姆): 10k,10k,90k
電路數(shù): 3
溫度系數(shù): 標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲(chǔ)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 ~ 85°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)
DS3903
Triple 128-Position Nonvolatile
Digital Potentiometer
_____________________________________________________________________
5
END-TO-END RESISTANCE PERCENT CHANGE
FROM 25
°C vs. TEMPERATURE (90k
)
DS3903
toc09
TEMPERATURE (
°C)
%
CHANGE
80
70
50 60
-10 0 10 203040
-30 -20
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-0.8
-1.0
-40
END-TO-END RESISTANCE PERCENT CHANGE
FROM 25
°C vs. TEMPERATURE (10k
)
DS3903
toc08
TEMPERATURE (
°C)
%
CHANGE
80
70
50 60
-10 0 10 203040
-30 -20
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-0.8
-1.0
-40
VOLTAGE-DIVIDER PERCENT CHANGE
FROM 25
°C vs. TEMPERATURE (10k
)
DS3903
toc07
TEMPERATURE (
°C)
%
CHANGE
(FROM
25
°C)
80
70
50 60
-10 0 10 203040
-30 -20
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-0.05
-0.06
-40
WIPER = 60h
WIPER = 20h
Tc = 1.9ppm/
°C
Tc = 0.7ppm/
°C
WIPER = 40h
Tc = 5.0ppm/
°C
VOLTAGE-DIVIDER PERCENT CHANGE
FROM 25
°C vs. TEMPERATURE (10k
)
DS3903
toc06
TEMPERATURE (
°C)
%
CHANGE
(FROM
25
°C)
80
70
50 60
-10 0 10203040
-30 -20
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
-0.06
-40
WIPER = 60h
WIPER = 20h
Tc = 18.0ppm/
°C
Tc = 3.7ppm/
°C
WIPER = 40h
Tc = 1.5ppm/
°C
WIPER RESISTANCE
vs. WIPER VOLTAGE (90k
)
DS3903
toc05
WIPER VOLTAGE (V)
WIPER
RESISTANCE
(
)
345
2
1
50
100
150
200
250
300
350
0
VCC = 3V
POS 7Fh
WIPER RESISTANCE
vs. WIPER VOLTAGE (10k
)
DS3903
toc04
WIPER VOLTAGE (V)
WIPER
RESISTANCE
(
)
345
2
1
50
100
150
200
250
300
350
0
VCC = 3V
POS 7Fh
Typical Operating Characteristics (continued)
(VCC = 5.0V, 10k
plots apply to both pot0 and pot2, TA = +25°C unless otherwise noted.)
VOLTAGE-DIVIDER ABSOLUTE LINEARITY
vs. WIPER SETTING (10k
)
DS3903
toc11
WIPER SETTING
ABSOLUTE
LINEARTIY
(LSB)
100
80
60
40
20
0.04
0.08
0.12
0.16
0.20
0
120
VOLTAGE-DIVIDER RELATIVE LINEARITY
vs. WIPER SETTING (10k
)
DS3903
toc10
WIPER SETTING
RELATIVE
LINEARTIY
(LSB)
100
80
60
40
20
0.01
0.02
0.03
0.04
0.05
0
120
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