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參數(shù)資料
| 型號： | MAX5467 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 中文描述： | 32抽頭、非易失、線性變化數(shù)字電位器，SOT23封裝 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 264K |
| 代理商： | MAX5467 |
M
32-Tap FleaPoT
, 2-Wire Digital
Potentiometers
_______________________________________________________________________________________
5
Detailed Description
The MAX5460
–
MAX5468 consist of a fixed resistor and a
wiper contact with 32-tap points that are digitally con-
trolled through a 2-wire serial interface. Three resistance
values are available: 10k
(MAX5466/MAX5467/
MAX5468), 50k
(MAX5463/MAX5464/MAX5465), and
100k
(MAX5460/MAX5461/MAX5462).
The MAX5462/MAX5465/MAX5468 are designed to oper-
ate as potentiometers. In this configuration, the low termi-
nal of the resistor array is connected to ground (pin 2).
The MAX5461/MAX5464/MAX5467 perform as variable
resistors. In these devices, the wiper terminal and high
terminal of the resistor array are connected at pin 5.
The MAX5460/MAX5463/MAX5466 are similar variable
resistors, except the low terminal is connected to
ground (pin 2).
Digital Interface Operation
The MAX5460
–
MAX5468 have two modes of operation
when the serial interface is active: increment and
decrement mode. The serial interface is only active
when
CS
is low.
The
CS
and U/
D
inputs control the position of the wiper
along the resistor array. When
CS
transitions from high to
low, the part will go into increment mode if U/
D
is high,
and into decrement mode if U/
D
is low. Once the mode is
set, the device will remain in that mode until
CS
goes high
again. A low-to-high transition at the U/
D
pin will incre-
ment or decrement the wiper position depending on the
current mode (Figures 1 and 2).
When the
CS
input transitions to high (serial interface
inactive), the value of the counter is stored and the
wiper position is maintained.
Note that when the wiper reaches the maximum (or mini-
mum) tap position, the wiper will not wrap around to the
minimum (or maximum) position.
CS
U/D
W
NOTE: "W" IS NOT A DIGITAL SIGNAL. IT REPRESENTS WIPER TRANSITIONS.
t
CU
t
IL
t
IH
t
SETTLE
t
IC
t
CI
t
SETTLE
Figure 1. Serial Interface Timing Diagram, Increment Mode
CS
U/D
W
t
CU
t
IL
t
IH
t
IC
t
SETTLE
t
CI
t
SETTLE
NOTE: "W" IS NOT A DIGITAL SIGNAL. IT REPRESENTS WIPER TRANSITIONS.
Figure 2. Serial Interface Timing Diagram, Decrement Mode
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX5467EUT | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| MAX5468EUT | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| MAX5462EXT | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| MAX5477 | Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| MAX5477-MAX5479 | Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5467ESA | 制造商:Maxim Integrated Products 功能描述: |
| MAX5467EUT | 制造商:Maxim Integrated Products 功能描述:32-TAP FLEAPOT 2-WIRE DIGITAL POT - Rail/Tube |
| MAX5467EUT+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 32POS 10KOHM SGL 6PIN SOT-23 - Rail/Tube |
| MAX5467EUT+T | 功能描述:數(shù)字電位計 IC 32-Tap FleaPoT 2Wire 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 |
| MAX5467EUT-T | 功能描述:數(shù)字電位計 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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