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參數(shù)資料
| 型號： | MAX5418NETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 32-Tap. Nonvolatile. Linear-Taper Digital Potentiometers in SOT23 |
| 中文描述： | 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, DSO8 |
| 封裝： | 3 X 3 MM, TDFN-8 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 796K |
| 代理商： | MAX5418NETA |
M
256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
8
_______________________________________________________________________________________
Pin Description
PIN
1
2
3
4
5
6
7
8
—
NAME
V
DD
SCL
SDA
A0
GND
L
W
H
EP
FUNCTION
Power-Supply Input. 2.7V to 5.25V voltage range. Bypass with a 0.1μF capacitor from V
DD
to GND.
I
2
C-Interface Clock Input
I
2
C-Interface Data Input
Address Input. Sets the A0 bit in the device ID address.
Ground
Low Terminal
Wiper Terminal
High Terminal
Exposed Pad
t
HD-STA
t
SU-DAT
t
HIGH
t
R
t
F
t
HD-DAT
t
HD-STA
S
Sr
A
t
SU-STA
t
LOW
t
BUF
t
SU-STO
P
S
t
R
t
F
SCL
SDA
PARAMETERS ARE MEASURED FROM 30% TO 70%.
Detailed Description
The MAX5417/MAX5418/MAX5419 contain a resistor
array with 255 resistive elements. The MAX5417 has a
total end-to-end resistance of 50k
, the MAX5418 has
an end-to-end resistance of 100k
, and the MAX5419
has an end-to-end resistance of 200k
. The
MAX5417/MAX5418/MAX5419 allow access to the high,
low, and wiper terminals for a standard voltage-divider
configuration. H, L, and W can be connected in any
desired configuration as long as their voltages fall
between GND and V
DD
.
A simple 2-wire I
2
C-compatible serial interface moves
the wiper among the 256 tap points. A nonvolatile mem-
ory stores the wiper position and recalls the stored wiper
position in the nonvolatile memory upon power-up. The
nonvolatile memory is guaranteed for 50 years for wiper
data retention and up to 200,000 wiper store cycles.
Figure 1. I
2
C Serial-Interface Timing Diagram
V
DD
I
OL
= 3mA
I
OH
= 0mA
V
OUT
400pF
SDA
Figure 2. Load Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5418NETA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 100KOHM SGL 8TDFN EP - Rail/Tube |
| MAX5418NETA+T | 功能描述:數(shù)字電位計 IC 256-Tap Nonvolatile I2C-Interface 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 |
| MAX5418NETA-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 |
| MAX5418PETA | 制造商:Maxim Integrated Products 功能描述:256-TAP NONVOLATILE 2-WIRE INTERF - Rail/Tube |
| MAX5418PETA+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 100KOHM SGL 8TDFN EP - Rail/Tube |
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