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參數(shù)資料
| 型號(hào)： | DS1845X-010 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, UUC14 |
| 封裝： | FCP-14 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 98K |
| 代理商： | DS1845X-010 |
DS1845
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6. A fast mode device can be used in a standard mode system, but the requirement tSU:DAT > 250 ns
must then be met. This will automatically be the case if the device does not stretch the LOW period
of the SCL signal. If such a device does stretch the LOW period of the SCL signal, it must output the
next data bit to the SDA line tRMAX + tSU:DAT = 1000 + 250 = 1250 ns before the SCL line is
released.
7. After this period, the first clock pulse is generated.
8. The maximum tHD:DAT has only to be met if the device does not stretch the LOW period (tLOW) of
the SCL signal.
9. CB - total capacitance of one bus line in picofarads, timing referenced to (0.9(V
CC
) and (0.1)(V
CC
).
10. EEPROM write begins after a stop condition occurs.
11. Resistor inputs can not go beneath GND by more than 0.5V or above VCC by more that 0.5V.
12. The –3 dB cutoff frequency for the DS1845 is 1 MHz (10k/10k version).
13. Absolute linearity is used to measure expected wiper voltage as determined by wiper position. The
DS1845 is specified to provide an absolute linearity of ± 0.5 LSB (10k/10k version), ±1 LSB(10k/50k
version), and ± 1.5 LSB (10k/100k) version.
14. Relative linearity is used to determine the change of wiper voltage between two adjacent wiper
positions. The DS1845 is specified to have a relative linearity of ± 0.25 dB.
15. When used as a rheostat or variable resister the temperature coefficient applies: 650 ppm/°C. When
used as a voltage divider or potentiometer, the effective temperature coefficient approaches
30 ppm/°C.
16. ICC specified with SDA pin open.
17. Maximum Icc is dependent on clock rates.
18. Valid for VCC = 5V only.
19. Valid at 25°C only.
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1845X-010/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL NV POT AND MEM BUMP T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT/MEM DUAL NV 10K 14-FCP |
| DS1845X-010/T&R | 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 |
| DS1845X-050 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual NV Potentiometer and Memory |
| DS1845X-050/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL NV POT & MEM BUMP 10K/50K T&R - Tape and Reel 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC POT/MEM DUAL NV 50K 14-FCP |
| DS1845X-050/T&R | 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 |
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