RWB 64 96 50 25 CODE – Decimal
參數(shù)資料
型號: AD5222BRZ50
廠商: Analog Devices Inc
文件頁數(shù): 5/10頁
文件大?。?/td> 0K
描述: IC POT DGTL DUAL 128POS 14SOIC
標準包裝: 56
接片: 128
電阻(歐姆): 50k
電路數(shù): 2
溫度系數(shù): 標準值 -35 ppm/°C
存儲器類型: 易失
接口: 4 線串行(芯片選擇,遞增,增/減)
電源電壓: 2.7 V ~ 5.5 V,±2.3 V ~ 2.7 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 14-SOICN
包裝: 管件
PERCENT
OF
NOMINAL
END-TO-END
RESISTANCE
%
R
AB
100
75
0
32
128
RWB
64
96
50
25
CODE – Decimal
RWA
Figure 3. Wiper-To-End Terminal Resistance vs. Code
IWA CURRENT – mA
0
3FH
RAB = 10k
VDD = 5V
TA = 25 C
2
3
456
7
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
01
V
WB
VOLTAGE
V
08H
02H
05H
10H
20H
Figure 4. Resistance Linearity vs. Conduction Current
180
90
WIPER RESISTANCE –
FREQUENCY
0
40
30
41
42
47 48
50 51
53 54
60
44
45
56 57 59
60
120
150
SS = 600 UNITS
VDD = 2.7V
TA = 25 C
Figure 5. Wiper Contact Resistance
AD5222–Typical Performance Characteristics
–4–
REV. 0
CODE – Decimal
0.25
–0.25
0
128
16
R-DNL
ERROR
LSB
32
48
64
80
96
112
0.20
0.05
–0.05
–0.15
–0.20
0.15
0.10
0
–0.10
TA = +25 C
TA = +85 C
TA = –55 C
VDD = +15V
VSS = –15V
RAB = 50k
Figure 6. R-DNL Relative Resistance Step Position
Change vs. Code
CODE – Decimal
1.0
–1.0
0
128
16
R-INL
ERROR
LSB
32
48
64
80
96
112
0.8
0.2
–0.2
–0.6
–0.8
0.6
0.4
0
–0.4
VDD/VSS = 2.7V/0V
TA = 25 C
50k
VERSION
100k
VERSION
1M
VERSION
10k
VERSION
Figure 7. R-INL Resistance Nonlinearity Error vs. Code
CODE – Decimal
–1.0
0
128
16
INL
LSB
32
48
64
80
96
112
0.2
–0.2
–0.6
–0.8
0.6
0.4
0
–0.4
VDD/VSS = 2.7V/0V
TA = 25 C
50k
VERSION
100k
VERSION
1M
VERSION
10k
VERSION
Figure 8. Potentiometer Divider INL Error vs. Code
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