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參數(shù)資料
| 型號： | CAT5251JI-50TE13 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Quad Digitally Programmable Potentiometer (DPP) with 256 Taps and SPI Interface |
| 中文描述： | 四數(shù)字可編程電位（民進黨）與256水龍頭和SPI接口 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 95K |
| 代理商： | CAT5251JI-50TE13 |
4
CAT5251
Document No. 2017, Rev. D
Note:
(1)
(2)
(3)
This parameter is tested initially and after a design or process change that affects the parameter.
Absolute linearity is utilitzed to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a potentiometer.
Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a
potentiometer. It is a measure of the error in step size.
LSB = R
TOT
/ 255 or (R
H
- R
L
) / 255, single pot
n = 0, 1, 2, ..., 255
(4)
(5)
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias .................. -55
°
C to +125
°
C
Storage Temperature........................ -65
°
C to +150
°
C
Voltage on any Pin with
Respect to V
SS(1)(2)
................ -2.0V to +V
CC
+2.0V
V
CC
with Respect to Ground ................ -2.0V to +7.0V
Package Power Dissipation
Capability (T
A
= 25
°
C) ................................... 1.0W
Lead Soldering Temperature (10 secs) ............ 300
°
C
Wiper Current.................................................... +6mA
Note:
(1) The minimum DC input voltage is
–
0.5V. During transitions, inputs may undershoot to
–
2.0V for periods of less than 20 ns. Maximum DC voltage on output
pins is V
CC
+0.5V, which may overshoot to V
CC
+2.0V for periods of less than 20 ns.
(2) Latch-up protection is provided for stresses up to 100 mA on address and data pins from
–
1V to V
CC
+1V.
*COMMENT
Stresses above those listed under
“
Absolute Maximum Ratings
”
may cause permanent
damage to the device. These are stress ratings only, and functional operation of the
device at these or any other conditions outside of those listed in the operational sections
of this specification is not implied. Exposure to any absolute maximum rating for extended
periods may affect device performance and reliability.
Recommended Operating Conditions:
V
CC
= +2.5V to +6.0V
Temperature
Industrial
Min
-40
°
C
Max
85
°
C
POTENTIOMETER CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol
R
POT
Parameter
Test Conditions
Min
Typ
100
Max
Units
k
k
Potentiometer Resistance (-00
)
Potentiometer Resistance (-50
)
R
POT
50
Potentiometer Resistance
Tolerance
+20
%
R
POT
Matching
1
%
Power Rating
25
°
C, each pot
50
mW
I
W
Wiper Current
+3
mA
R
W
Wiper Resistance
I
W
= +3mA @ V
CC
=3V
200
300
R
W
Wiper Resistance
I
W
= +3mA @ V
CC
= 5V
100
150
V
TERM
Voltage on any R
H
or R
L
Pin
V
SS
= 0V
GND
V
CC
V
V
N
Noise
(1)
nV/ Hz
Resolution
0.4
%
Absolute Linearity
(2)
R
w(n)(actual)
-R
(n)(expected)(5)
R
w(n+1)
-[R
w(n)+LSB
]
(5)
+1
LSB
(4)
Relative Linearity
(3)
+0.5
LSB
(4)
TC
RPOT
Temperature Coefficient of R
POT
(1)
+300
ppm/
°
C
ppm/
°
C
TC
RATIO
Ratiometric Temp. Coefficient
(1)
20
C
H
/C
L
/C
W
Potentiometer Capacitances
(1)
10/10/25
pF
fc
Frequency Response
R
POT
= 50k
(1)
0.4
MHz
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT5251WI00 | 制造商:ON Semiconductor 功能描述:DPP, NV, QUAD 256 TAPS, SPI - Rail/Tube |
| CAT5251WI-00 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5251WI-00-T1 | 功能描述:數(shù)字電位計 IC DPP NV QUAD 256 TAP SPI 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 |
| CAT5251WI50 | 功能描述:數(shù)字電位計 IC Ind Temp 50K Up/Dwn Quad 256-Tap SPI 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 |
| CAT5251WI-50 | 制造商:ON Semiconductor 功能描述:IC DIGITAL POT 50KOHM 256 QUAD SOIC-24 |
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