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參數(shù)資料
| 型號(hào)： | ISL22419WFU8Z-TK |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 3/13頁(yè) |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 128TP LN LP 8-MSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | XDCP™ |
| 接片： | 128 |
| 電阻（歐姆）： | 10k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±50 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | 4 線 SPI（芯片選擇） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
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11
FN6311.1
September 8, 2009
FIGURE 12. THREE BYTE WRITE SEQUENCE
FIGURE 13. THREE BYTE READ SEQUENCE
Applications Information
Communicating with ISL22419
Communication with ISL22419 proceeds using SPI interface
through the ACR (address 11b), IVR (address 00b) and WR
(address 00b) registers.
The wiper of the potentiometer is controlled by the WR
register. Writes and reads can be made directly to this
register to control and monitor the wiper position without any
non-volatile memory changes. This is done by setting MSB
bit (ACR[7]) at address 11b to 1.
The non-volatile IVR stores the power up value of the wiper.
IVR is accessible when MSB bit (ACR[7]) at address 11b is
set to 0. Writing a new value to the IVR register will set a
new power up position for the wiper. Also, writing to this
register will load the same value into the WR as the IVR.
Reading from the IVR will not change the WR, if its contents
are different.
The typical application diagram is shown in Figure 14. For
proper operation adding 0.1F decoupling ceramic capacitor
to VCC is recommended. The capacitor value may vary
based on expected noise frequency of the design.
0
101
00
I3
I2
I1
I0
00
R1 R0
SCK
SDI
0
D6
D5D4
D3
D2
D1D0
CS
00
0
101
00
I3
I2
I1
I0
0
R1 R0
SCK
SDI
CS
00
SDO
0
D6
D5D4
D3
D2
D1D0
Don’t Care
0
ISL22419
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL22424 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP?) |
| ISL22424TFR16Z | 功能描述:數(shù)字電位計(jì) IC 256 TAP FL RNG IND L SPI DCP 4X4 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 |
| ISL22424TFR16Z-TK | 功能描述:數(shù)字電位計(jì) IC 256 TAP FL RNG IND DL SPI DCP 4X4 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 |
| ISL22424TFV14Z | 功能描述:數(shù)字電位計(jì) IC 256 TAP FL RNG IND DL SPI DCP 14LD 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 |
| ISL22424TFV14Z-TK | 功能描述:數(shù)字電位計(jì) IC 256 TAP FL RNG IND DL SPI DCP 14LD 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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