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| 型号： | DS3903E |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/11页 |
| 文件大小： | 0K |
| 描述： | IC POT NV TRIPLE 128POS 20-TSSOP |
| 标准包装： | 74 |
| 接片： | 128 |
| 电阻（欧姆）： | 10k，10k，90k |
| 电路数： | 3 |
| 温度系数： | 标准值 ±300 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 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： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
DS3903
Triple 128-Position Nonvolatile
Digital Potentiometer
6
______________________________________________________________________
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 (90k
)
DS3903
toc13
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 (90k
)
DS3903
toc12
WIPER SETTING
RELATIVE
LINEARTIY
(LSB)
100
80
60
40
20
0.01
0.02
0.03
0.04
0.05
0
120
Pin Description
PIN
NAME
FUNCTION
1
SDA
2-Wire Serial Data. Input/output for 2-wire data.
2
SCL
2-Wire Serial Clock. Input for 2-wire clock.
3A0
Address-Select Input. Determines device 2-wire address.
4WP
Write-Protect Input. Must be grounded to write to the potentiometer registers. An internal pullup locks
the potentiometer positions if this pin is not connected.
5, 16, 17
18, 19
N.C.
No Connection
6, 8, 9
L0, L1, L2
Potentiometer Low Terminals. Voltages on these pins should remain between GND and +5.5V while
VCC is above +2.7V. Low terminals can be at potentials above the wiper or high terminals.
7, 12, 14
W1, W2, W0
Potentiometer Wiper Terminal. Voltages on these pins should remain between GND and +5.5V while
VCC is above +2.7V.
10
GND
Ground Terminal
11, 13, 15
H2, H1, H0
Potentiometer High Terminals. Voltages on these pins should remain between GND and +5.5V while
VCC is above +2.7V. High terminals can be at potentials below the low terminals.
20
VCC
Supply Voltage Terminal
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3903E+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 128POS 10.5KOHM/90KOHM TRIPLE 20TSSOP - Rail/Tube |
| DS3903E-020 | 功能描述:数字电位计 IC RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| DS3903E-020/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Triple 128-Position Nonvolatile Digital Potentiometer |
| DS3903E-020/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Triple 128-Position Nonvolatile Digital Potentiometer |
| DS3903E-020/T&R | 制造商:Maxim Integrated Products 功能描述:TRIPLE NV POTENTIOMETER T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT NV TRIPLE 128POS 20-TSSOP |
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