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参数资料
| 型号： | MAX5424ETA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 数字电位计 |
| 英文描述： | 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 200K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, DSO8 |
| 封装： | 3 X 3 MM, 0.8 MM HEIGHT, MO229/WEEC, TDFN-8 |
| 文件页数： | 8/11页 |
| 文件大小： | 614K |
| 代理商： | MAX5424ETA |
M
(
CS
), data clock (SCLK), and data in (DIN). Drive
CS
low to enable the serial interface and clock data syn-
chronously into the shift register on each SCLK rising
edge.
The WRITE commands (C1, C0 = 00 or 01) require 16
clock cycles to clock in the command and data (Figure
2a). The COPY commands (C1, C0 = 10, 11) can use
either eight clock cycles to transfer the command bits
(Figure 2b) or 16 clock cycles with 8 data bits that are
disregarded by the device (Figure 2a).
Table 1. Register Map
After loading data into the shift register, drive
CS
high
to latch the data into the appropriate potentiometer
control register and disable the serial interface. Keep
CS
low during the entire serial-data stream to avoid
corruption of the data.
The serial-data timing for the potentiometer is shown in
Figures 1 and 2.
256-Tap, Nonvolatile, SPI-Interface,
Digital Potentiometers
8
_______________________________________________________________________________________
CLOCK EDGE
Bit name
Write wiper register
Write NV register
1
—
0
0
2
—
0
0
3
4
5
—
0
0
6
—
0
0
7
—
0
0
8
—
0
0
9
10
D6
D6
D6
11
D5
D5
D5
12
D4
D4
D4
13
D3
D3
D3
14
D2
D2
D2
15
D1
D1
D1
16
D0
D0
D0
C1
0
0
C0
0
1
D7
D7
D7
Copy wiper register to NV
register
0
0
1
0
0
0
0
0
—
—
—
—
—
—
—
—
Copy NV register to wiper
register
0
0
1
1
0
0
0
0
—
—
—
—
—
—
—
—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D7
D6
D5
D4
D3
D2
D1
D0
C1
C0
SCLK
DIN
A) 16-BIT COMMAND/DATA WORD
1
2
3
4
5
6
7
8
C1
C0
SCLK
DIN
B) 8-BIT COMMAND WORD
CS
CS
Figure 2. Digital-Interface Format
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5424ETA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 200KOHM SGL 8TDFN EP - Rail/Tube |
| MAX5424ETA+T | 功能描述:数字电位计 IC 256-Tap Nonvolatile SPI-Interface 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 |
| MAX5424ETA-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 |
| MAX5426AEUD | 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道数量:Single 共模抑制比（最小值）: 输入补偿电压: 工作电源电压:3 V to 5.5 V 电源电流:5 mA 最大功率耗散: 最大工作温度:+ 70 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-20 封装:Reel |
| MAX5426AEUD+ | 功能描述:仪表放大器 Prec Resistor Net for Prog Inst Amp RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
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