參數(shù)資料
型號(hào)： MAX5478EUD
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 數(shù)字電位計(jì)
英文描述： Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers
中文描述： 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14
封裝： 4.40 X 5 MM, MO-153AB-1, TSSOP-14
文件頁(yè)數(shù)： 3/15頁(yè)
文件大?。?/td> 383K
代理商： MAX5478EUD
M
Dual, 256-Tap, Nonvolatile, I
2
C-Interface,
Digital Potentiometers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, H_ = V
DD
, L_ = GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +5V, T
A
=
+25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS
V
DD
= 3.4V to 5.25V
V
DD
< 3.4V
(Note 5)
I
SINK
= 3mA
2.4
Input High Voltage (Note 5)
V
IH
0.7 x V
DD
V
Input Low Voltage
Output Low Voltage
WP Pullup Resistance
Input Leakage Current
Input Capacitance
DYNAMIC CHARACTERISTICS
V
IL
V
OL
I
WP
I
LEAK
0.8
0.4
V
V
255
k
μA
pF
±1
5
Crosstalk
HA = 1kHz (0 to V
DD
), LA = GND,
LB = GND, measure WB
-80
dB
MAX5478
MAX5479
100
50
3dB Bandwidth (Note 6)
kHz
Total Harmonic Distortion Plus
Noise
THD+N
H_ = 1V
RMS
, f = 1kHz, L_ = GND,
measure W_
0.003
%
NONVOLATILE MEMORY RELIABILITY
Data Retention
T
A
= +85°C
T
A
= +25°C
T
A
= +85°C
50
Years
200,000
50,000
Endurance
Stores
POWER SUPPLY
Power-Supply Voltage
V
DD
2.70
5.25
V
Writing to EEPROM, digital inputs at
GND or V
DD
(Note 7)
250
400
WP = GND
WP = V
DD
15
0.5
20.6
1
Supply Current
I
DD
Normal operation, digital
inputs at GND or V
DD
μA
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG SECTION
MAX5478
MAX5479
500
1000
Wiper Settling Time (Note 10)
t
WS
ns
DIGITAL SECTION
SCL Clock Frequency
Setup Time for START Condition
Hold Time for START Condition
f
SCL
t
SU:STA
t
HD:STA
400
kHz
μs
μs
0.6
0.6
TIMING CHARACTERISTICS
(V
DD
= +2.7V to +5.25V, H_ = V
DD
, L_ = GND, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= +5V,
T
A
= +25°C. See Figure 1.) (Notes 8 and 9)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5478EUD+ 功能描述:數(shù)字電位計(jì) IC Dual 256-Tap NV 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(chǔ)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
MAX5478EUD+ 制造商:Maxim Integrated Products 功能描述:DIGITAL POT 256 TAP I2C DUAL 5478
MAX5478EUD+T 功能描述:數(shù)字電位計(jì) IC Dual 256-Tap NV 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(chǔ)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
MAX5478EUD-T 功能描述:數(shù)字電位計(jì) 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(chǔ)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
MAX5478EVCMODU 功能描述:數(shù)字電位計(jì) IC Evaluation Kit/Evaluation System for the MAX5477/MAX5478/MAX5479 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(chǔ)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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