參數(shù)資料
型號： MAX5484EUD+T
廠商： Maxim Integrated Products
文件頁數(shù)： 4/20頁
文件大?。?/td> 0K
描述： IC POT DGTL 10BIT NV 14-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
接片： 1024
電阻（歐姆）： 50k
電路數(shù)： 1
溫度系數(shù)： 標準值 35 ppm/°C
存儲器類型： 非易失
接口： 4 線串行（芯片選擇，遞增，增/減）
電源電壓： 2.7 V ~ 5.25 V，±2.5 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 帶卷 (TR)
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
Detailed Description
The MAX5481/MAX5482 linear programmable voltage-
dividers and the MAX5483/MAX5484 variable resistors
feature 1024 tap points (10-bit resolution) (see the
Functional Diagrams). These devices consist of multi-
ple strings of equal resistor segments with a wiper con-
tact that moves among the 1024 points through a
pin-selectable 3-wire SPI-compatible serial interface or
up/down interface. The MAX5481/MAX5483 provide a
total end-to-end resistance of 10kΩ, and the
MAX5482/MAX5484 have an end-to-end resistance of
50kΩ. The MAX5481/MAX5482 allow access to the
high, low, and wiper terminals for a standard voltage-
divider configuration.
MAX5481/MAX5482 Programmable
Voltage-Dividers
The MAX5481/MAX5482 programmable voltage-
dividers provide a weighted average of the voltage
between the H and L inputs at the W output. Both
devices feature 10-bit resolution and provide up to
1024 tap points between the H and L voltages. Ideally,
the VL voltage occurs at the wiper terminal (W) when all
data bits are zero and the VH voltage occurs at the
wiper terminal when all data bits are one. The step size
(1 LSB) voltage is equal to the voltage applied across
terminals H and L divided by 210. Calculate the wiper
voltage VW as follows:
VD
D
VV
V
VV
W
HL
FSE
ZSE
L
ZSE
()
=
+
()
++
1023
MAX5483
MAX5484
SPI/UD
H
10
DECODER
10-BIT
LATCH
10-BIT
NV
MEMORY
POR
SPI
INTERFACE
UP/DOWN
INTERFACE
MUX
DIN(U/D)
SCLK(INC)
CS
VDD
GND
VSS
L
Functional Diagrams (continued)
MAX5481–MAX5484
12
Maxim Integrated
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