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参数资料
| 型号： | ISL23425TFVZ-TK |
| 厂商： | Intersil |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 100K 14TSSOP |
| 标准包装： | 1,000 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 电阻（欧姆）： | 100k |
| 电路数： | 2 |
| 温度系数： | 标准值 45 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | 4 线 SPI（芯片选择） |
| 电源电压： | 1.2 V ~ 5.5 V，1.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
ISL23425
15
FN7873.0
June 20, 2011
Write Operation
A write operation to the ISL23425 is a two or more bytes
operation. It requires first, the CS transition from HIGH-to-LOW.
Then the host sends a valid Instruction Byte, followed by one or
more Data Bytes to the SDI pin. The host terminates the write
operation by pulling the CS pin from LOW-to-HIGH. Instruction is
executed on the rising edge of CS (see Figure 27).
Read Operation
A Read operation to the ISL23425 is a four byte operation. It
requires first, the CS transition from HIGH-to-LOW. Then the host
sends a valid Instruction Byte, followed by a “dummy” Data Byte,
NOP Instruction Byte and another “dummy” Data Byte to SDI pin.
The SPI host receives the Instruction Byte (instruction code +
register address) and requested Data Byte from SDO pin on the
rising edge of SCK during third and fourth bytes, respectively. The
host terminates the read by pulling the CS pin from LOW-to-HIGH
(see Figure 28).
FIGURE 27. TWO BYTE WRITE SEQUENCE
CS
SCK
SDI
SDO
WR INSTRUCTION
DATA BYTE
1
3
4
5
7
8
9
1011
1213141516
26
ADDR
FIGURE 28. FOUR BYTE READ SEQUENCE
CS
SCK
SDI
SDO
RD
ADDR
NOP
RD
ADDR
READ DATA
1
8
16
24
32
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL23425UFRUZ-T7A | 功能描述:数字电位计 IC 256 TAPVOLATILE SPI DUAL FL RNG IND 16LD 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 |
| ISL23425UFRUZ-TK | 功能描述:数字电位计 IC 256 TAP VOLATILE SPI DL FL RNG DCP 16LD 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 |
| ISL23425UFVZ | 功能描述:数字电位计 IC 256 TAP VOLATILE SPI DL FL RNG DCP 14LD 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 |
| ISL23425UFVZ-T7A | 功能描述:数字电位计 IC 256 TAPVOLATILE SPI DUAL FL RNG IND 14LD 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 |
| ISL23425UFVZ-TK | 功能描述:数字电位计 IC 256 TAP VOLATILE SPI DL FL RNG DCP 14LD 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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