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參數(shù)資料
| 型號(hào)： | DS1804-010 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT TRIMMER NV 10K 8-DIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 接片： | 100 |
| 電阻（歐姆）： | 10k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 750 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | 3 線（芯片選擇，遞增，增/減） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 其它名稱： | DS1804010 |
DS1804
3 of 10
DS1804 BLOCK DIAGRAM Figure 1
POWER-UP/POWER-DOWN CONDITIONS
On power-up, the DS1804 will load the value of EEPROM memory into the wiper position register (or 1
of 100 decoder). The value of this register can then be set to another wiper position if desired, by using
the three-terminal control port. On power-up, wiper position will be loaded within a maximum time
period of 500
s once the power-supply is stable. Additionally, the three-terminal interface port will be
active after 50ms.
On power-down, the wiper position register data will be lost. On the next device power-up, the value of
EEPROM memory will be loaded into the wiper position register.
On shipment from the factory, Maxim Integrated Products does not guarantee a specified EEPROM
memory value. This value should be set by the customer as needed.
NONVOLATILE WIPER STORAGE
Wiper position of the DS1804 can be stored using the INC and CS inputs. Storage of the wiper position
takes place whenever the CS input transitions from low-to-high while the INC is high. Once this
condition has occurred the value of the current wiper position will be written to EEPROM memory.
The DS1804 is specified to accept 50,000 writes to EEPROM over 0°C to 70C before a wear-out
condition. After wear-out the DS1804 will still function and wiper position can be changed during
powered conditions using the three-terminal control port. However, on power-up the wiper-position will
be indeterminate.
ONE-TIME PROGRAMMABILITY (OTP)
The DS1804 can be easily used as an OTP device. The user of the DS1804 can trim the desired value of
the wiper position and set this position for storage as described above. Any activity through the three-
terminal port can then be prevented by connecting the CS input pin to VCC. Also, an OTP application
does not adversely affect the number of times EEPROM is written, since EEPROM will only be loaded
and not written during a power-up or power-down condition.
On power-up, the DS1804 will load the current value of EEPROM memory into the wiper position
register.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1804-010+ | 功能描述:數(shù)字電位計(jì) IC NV Trimmer RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1804050 | 制造商:Maxim Integrated Products 功能描述: |
| DS1804-050 | 功能描述:數(shù)字電位計(jì) IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1804-050+ | 功能描述:數(shù)字電位計(jì) IC NV Trimmer RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1804-10 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:IC-NON VOLATILE POT |
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