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參數資料
| 型號： | CAT5221UI-25TE13 |
| 英文描述： | SCREWDRIVER, SLOT TRITON ESD 150SCREWDRIVER, SLOT TRITON ESD 150; Tip Size A x B:5 x 0.8mm; Tip size:5mm; Length, blade:150mm; Length, Inches:6"; Handle type:Static diss.; Tip Size:5 mm; Tip type:Parallel Slot |
| 中文描述： | 雙數字可編程電位計（民進黨）與64個龍頭和2線接口 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 112K |
| 代理商： | CAT5221UI-25TE13 |
1
DESCRIPTION
The CAT5221 is two Digitally Programmable
Potentiometers (DPPs) integrated with control logic
and 16 bytes of NVRAM memory. Each DPP consists of
a series of 63 resistive elements connected between two
externally accessible end points. The tap points between
each resistive element are connected to the wiper outputs
with CMOS switches. A separate 6-bit control register
(WCR) independently controls the wiper tap switches for
each DPP. Associated with each wiper control register
are four 6-bit non-volatile memory data registers (DR)
used for storing up to four wiper settings. Writing to the
CAT5221
Dual Digitally Programmable Potentiometers (DPP)
with 64 Taps and 2-wire Interface
FEATURES
I
Two linear-taper digitally programmable
potentiometers
I
64 resistor taps per potentiometer
I
End to end resistance 2.5k
, 10k
, 50k
or 100k
I
Potentiometer control and memory access via
2-wire interface (I
2
C like)
I
Low wiper resistance, typically 80
I
Nonvolatile memory storage for up to four wiper
settings for each potentiometer
I
Automatic recall of saved wiper settings at
power up
I
2.5 to 6.0 volt operation
I
Standby current less than 1
μ
A
I
1,000,000 nonvolatile WRITE cycles
I
100 year nonvolatile memory data retention
I
20-lead SOIC and TSSOP packages
I
Industrial temperature ranges
PIN CONFIGURATION
FUNCTIONAL DIAGRAM
2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Document No. 2113, Rev. I
wiper control register or any of the non-volatile data
registers is via a 2-wire serial bus (I
2
C-like). On power-
up, the contents of the first data register (DR0) for each
of the four potentiometers is automatically loaded into its
respective wiper control register (WCR).
The CAT5221 can be used as a potentiometer or as a
two terminal, variable resistor. It is intended for circuit
level or system level adjustments in a wide variety of
applications.
H
A
L
O
G
E
N
F
R
E
E
TM
L
E
A
D
F
R
E
E
W1
W0
H1
RH0
R
L1
RL0
WIPER
CONTROL
REGISTERS
NONVOLATILE
DATA
REGISTERS
2-WIRE BUS
INTERFACE
CONTROL
LOGIC
SCL
SDA
A0
A1
A2
A3
R
R
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
CAT
5221
RW0
RL0
RH0
A0
A2
RW1
RL1
RH1
SDA
GND
VCC
NC
NC
NC
A1
A3
SCL
NC
NC
NC
SOIC Package (J, W)
TSSOP Package (U, Y)
相關PDF資料 |
PDF描述 |
|---|---|
| CAT5221WI-00TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface |
| CAT5221WI-10TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface |
| CAT5221WI-25TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface |
| CAT5221YI-10TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface |
| CAT5251UI-50TE13 | Quad Digitally Programmable Potentiometer (DPP) with 256 Taps and SPI Interface |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT5221WI00 | 制造商:ON Semiconductor 功能描述:DPP, NV, QUAD 64 TAPS, I2C - Rail/Tube |
| CAT5221WI-00 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5221WI-00-T1 | 功能描述:數字電位計 IC DPP NV QUAD 64 TAPS I2C RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5221WI10 | 功能描述:數字電位計 IC Ind Temp 10K Up/Dwn Dual 64-Tap 2-Wire RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5221WI-10 | 制造商:Catalyst Semiconductor 功能描述: |
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