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参数资料
| 型号： | AD5245BRJ50-RL7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 数字电位计 |
| 英文描述： | 256-Position I2C Compatible Digital Potentiometer |
| 中文描述： | 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8 |
| 封装： | 2.90 X 3 MM, MO-178BA, SOT-23, 8 PIN |
| 文件页数： | 10/16页 |
| 文件大小： | 995K |
| 代理商： | AD5245BRJ50-RL7 |
AD5245
TEST CIRCUITS
Figure 27 to Figure 35 illustrate the test circuits that define the
test conditions used in the product specification tables.
Rev. 0 | Page 10 of 16
V
MS
A
W
B
DUT
V+ = V
1LSB = V+/2
N
V+
Figure 27. Test Circuit for Potentiometer Divider Nonlinearity Error (INL, DNL)
NO CONNECT
I
W
V
MS
A
W
B
DUT
Figure 28. Test Circuit for Resistor Position Nonlinearity Error
(Rheostat Operation; R-INL, R-DNL)
V
MS1
I
W
= V
DD
/R
NOMINAL
V
MS2
V
W
R
W
= [V
MS1
– V
MS2
]/I
W
A
W
B
DUT
Figure 29. Test Circuit for Wiper Resistance
V
V
MS
%
DD
%
PSS (%/%) =
V+ = V
DD
PSRR (dB) = 20 LOG
10%
MS
( )
V
DD
V
A
V
MS
A
W
B
V+
Figure 30. Test Circuit for Power Supply Sensitivity (PSS, PSSR)
B
OP279
W
5V
V
OUT
OFFSET
GND
OFFSET
BIAS
A
DUT
V
IN
Figure 31. Test Circuit for Inverting Gain
B
A
V
IN
OP279
W
5V
V
OUT
OFFSET
GND
OFFSET
BIAS
DUT
Figure 32. Test Circuit for Noninverting Gain
+15V
–15V
W
A
2.5V
B
V
OUT
OFFSET
GND
DUT
AD8610
V
IN
Figure 33. Test Circuit for Gain vs. Frequency
W
B
V
SS
TO V
DD
DUT
I
SW
CODE = 0x00
R
SW
=
0.1V
I
SW
0.1V
Figure 34. Test Circuit for Incremental ON Resistance
W
B
V
CM
I
CM
A
NC
GND
NC
V
SS
V
DD
DUT
NC = NO CONNECT
Figure 35. Test Circuit for Common-Mode Leakage current
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PDF描述 |
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| AD5245EVAL | 256-Position I2C Compatible Digital Potentiometer |
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| AD5246BKS10-R2 | 128-Position I2C Compatible Digital Resistor |
| AD5246BKS10-RL7 | 128-Position I2C Compatible Digital Resistor |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5245BRJ5-R2 | 制造商:Analog Devices 功能描述:IC DIGITAL POT. 8-BIT I2C |
| AD5245BRJ5-RL7 | 制造商:Analog Devices 功能描述:Digital Potentiometer 256POS 5KOhm Single 8-Pin SOT-23 T/R |
| AD5245BRJZ100 | 制造商:Analog Devices 功能描述:DGTL POT 256POS 100K SOT23-8 制造商:Analog Devices 功能描述:DGTL POT, 256POS, 100K, SOT23-8 |
| AD5245BRJZ100-R2 | 功能描述:IC DGTL POT 256POS SOT-23-8 T/R RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:- 标准包装:3,000 系列:DPP 接片:32 电阻（欧姆）:10k 电路数:1 温度系数:标准值 300 ppm/°C 存储器类型:非易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.5 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WFDFN 裸露焊盘 供应商设备封装:8-TDFN（2x3） 包装:带卷 (TR) |
| AD5245BRJZ100-R21 | 制造商:AD 制造商全称:Analog Devices 功能描述:256-Position I2C-Compatible Digital Potentiometer |
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