参数资料
型号: AD5203ARUZ10-REEL
厂商: Analog Devices Inc
文件页数: 8/12页
文件大小: 0K
描述: IC POT DGTL QUAD 64POS 24TSSOP
标准包装: 2,500
接片: 64
电阻(欧姆): 10k
电路数: 4
温度系数: 标准值 700 ppm/°C
存储器类型: 易失
接口: 4 线 SPI(芯片选择)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
AD5203
–5–
REV. 0
Typical Performance Characteristics–
CODE – Decimal
RESISTANCE
k
10
0
08
64
16
24
32
40
48
56
9
6
5
3
1
8
7
4
2
VDD = +3V, OR +5V
RAB = 10k
RWB
RWA
Figure 2. Wiper to End Terminal
Resistance vs. Code
WIPER RESISTANCE –
FREQUENCY
80
60
0
30
31 32
33
34
35
36
37 38
39
40
20
SS = 544 UNITS
VDD = +4.5V
TA = +25 C
Figure 5. Wiper-Contact-Resistance
Histogram
DIGITAL INPUT CODE – Decimal
DNL
ERROR
LSB
0.25
–0.25
0
864
16
24
32
40
48
56
0.2
0.05
0
–0.1
–0.2
0.15
0.1
–0.05
–0.15
VDD = +3.0V
TA = +25 C, +85 C, –40 C
Figure 8. Potentiometer Divider
Differential Nonlinearity Error vs.
Code
05H
IWA CURRENT – mA
V
WB
VOLTAGE
V
5
0
17
23456
4.5
2
1.5
1
0.5
3.5
2.5
4
3
RAB = 10k
VDD = +5V
TA = +25 C
3FH
20H
10H
08H
02H
Figure 3. Resistance Linearity vs.
Conduction Current
TEMPERATURE – C
NOMINAL
RESISTANCE
k
12
0
–75 –50
125
–25
0
25
50
75
100
10
8
6
4
2
AD5203-10K VERSION
RAB (END-TO-END)
RWB (WIPER-TO-END)
CODE = 20H
Figure 6. Nominal Resistance vs.
Temperature
CODE – Decimal
POTENTIOMETER
MODE
TEMPCO
ppm/
C 50
0
08
64
16
24
32
40
48
56
30
40
20
10
VDD = +3.0V
TA = –40 C/+85 C
VA = +2.0V
VB = 0V
Figure 9.
V
WB/
T Potentiometer
Mode Tempco
DIGITAL INPUT CODE – Decimal
R
INL
ERROR
LSB
0.25
–0.25
08
64
16
24
32
40
48
56
0.2
0.05
0
–0.1
–0.2
0.15
0.1
–0.05
–0.15
VDD = +3.0V
TA = –55 C
TA = +85 C
TA = +25 C
Figure 4. Resistance Step Position
Nonlinearity Error vs. Code
DIGITAL INPUT CODE – Decimal
INL
NONLINEARITY
ERROR
LSB
0.25
–0.25
08
64
16
24
32
40
48
56
0.2
0.05
0
–0.1
–0.2
0.15
0.1
–0.05
–0.15
–55 C
+85 C
+25 C
VDD = +3.0V
Figure 7. Potentiometer Divider
Nonlinearity Error vs. Code
CODE – Decimal
RHEOSTAT
MODE
TEMPCO
ppm
/
C
120
0
08
64
16
24
32
40
48
56
80
100
60
40
20
VDD = +3.0V
TA = –40 C/+85 C
VA = NO CONNECT
RWB MEASURED
Figure 10.
R
WB/
T Rheostat Mode
Tempco
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