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| 型号： | MAX5483EUD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 10BIT NV 14-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接片： | 1024 |
| 电阻（欧姆）： | 10k |
| 电路数： | 1 |
| 温度系数： | 标准值 35 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线串行（芯片选择，递增，增/减） |
| 电源电压： | 2.7 V ~ 5.25 V，±2.5 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
Standby Mode
The MAX5481–MAX5484 feature a low-power standby
mode. When the device is not being programmed, it
enters into standby mode and supply current drops to
0.5A (typ).
Nonvolatile Memory
The internal EEPROM consists of a nonvolatile register
that retains the last value stored prior to power-down.
The nonvolatile register is programmed to midscale at
the factory. The nonvolatile memory is guaranteed for
50 years of wiper data retention and up to 200,000
wiper write cycles.
Power-Up
Upon power-up, the MAX5481–MAX5484 load the data
stored in the nonvolatile wiper register into the volatile
wiper register, updating the wiper position with the data
stored in the nonvolatile wiper register.
Applications Information
The MAX5481–MAX5484 are ideal for circuits requiring
digitally controlled adjustable resistance, such as LCD
contrast control (where voltage biasing adjusts the dis-
play contrast), or programmable filters with adjustable
gain and/or cutoff frequency.
Positive LCD Bias Control
Figures 9 and 10 show an application where a voltage-
divider or a variable resistor is used to make an
adjustable, positive LCD-bias voltage. The op amp pro-
vides buffering and gain to the voltage-divider network
made by the programmable voltage-divider (Figure 9) or
to a fixed resistor and a variable resistor (see Figure 10).
Programmable Gain and Offset Adjustment
Figure 11 shows an application where a voltage-divider
and a variable resistor are used to make a programma-
ble gain and offset adjustment.
CS
SCLK(INC)
DIN(U/D)
VW
tS
tID
tDI
tIH
tIL
tCYC
tCI
tIC
tCPH
tWSC
tIK
WIPER POSITION
NOT STORED
WIPER POSITION
STORED
NOTES:
VW IS NOT A DIGITAL SIGNAL. IT REPRESENTS A WIPER TRANSITION.
SCLK(INC) MUST BE AT LOGIC HIGH WHEN DIN(U/D) CHANGES STATE.
Figure 8. Up/Down Serial-Interface Timing Diagram (SPI/
UD = 0)
MAX5481–MAX5484
17
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5484ETE | 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 |
| MAX5484ETE+ | 功能描述:数字电位计 IC 10-Bit Nonvolatile Linear-Taper 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 |
| MAX5484ETE+T | 功能描述:数字电位计 IC 10-Bit Nonvolatile Linear-Taper 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 |
| MAX5484ETE-T | 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 |
| MAX5484EUD | 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 |
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