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參數(shù)資料
| 型號(hào)： | CAT5411JI-10-TE13 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface |
| 中文描述： | 雙數(shù)字可編程電位計(jì)（民進(jìn)黨）64絲錐和SPI接口 |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 93K |
| 代理商： | CAT5411JI-10-TE13 |
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2
CAT5411
Document No. 2114, Rev. F
takes the SO output pin to high impedance and forces the devices into a Standby mode (unless an internal write operation is
underway). The CAT5411 draws ZERO current in the Standby mode. A high to low transition on
CS
is required prior to any
sequence being initiated. A low to high transition on
CS
after a valid write sequence is what initiates an internal write cycle.
WP
:
WP
is the Write Protect pin. The Write Protect pin will allow normal read/write operations when held high. When
WP
is tied low, all
non-volatile write operations to the Data registers are inhibited (change of wiper control register is allowed).
WP
going low while
CS
is still low will interrupt a write to the registers. If the internal write cycle has already been initiated,
WP
going low will have no
effect on any write operation.
Write Protect
HOLD
:
The
HOLD
pin is used to pause transmission to the CAT5411 while in the middle of a serial sequence without having to re-
transmit entire sequence at a later time. To pause,
HOLD
must be brought low while SCK is low. The SO pin is in a high imped-
ance state during the time the part is paused, and transitions on the SI pins will be ignored. To resume communication,
HOLD
is
brought high, while SCK is low. (
HOLD
should be held high any time this function is not being used.)
HOLD
may be tied high
directly to VCC or tied to VCC through a resistor.
Hold
PIN DESCRIPTIONS
SI:
SI is the serial data input pin. This pin is used to input
all opcodes, byte addresses and data to be written to
the CAT5411. Input data is latched on the rising edge
of the serial clock.
Serial Input
SO:
SO is the serial data output pin. This pin is used to
transfer data out of the CAT5411. During a read
cycle, data is shifted out on the falling edge of the
serial clock.
Serial Output
SCK:
SCK is the serial clock pin. This pin is used to
synchronize the communication between the
microcontroller and the CAT5411. Opcodes, byte
addresses or data present on the SI pin are latched
on the rising edge of the SCK. Data on the SO pin is
updated on the falling edge of the SCK.
Serial Clock
A0, A1: Device Address Inputs
These inputs set the device address when address-
ing multiple devices. A total of four devices can be
addressed on a single bus. A match in the slave
address must be made with the address input in
order to initiate communication with the CAT5411.
R
H
, R
L
: Resistor End Points
The R
H
and R
L
pins are equivalent to the terminal
connections on a mechanical potentiometer.
R
W
:
The R
W
pins are equivalent to the wiper terminal of a
mechanical potentiometer.
Wiper
CS
:
CS
is the Chip select pin.
CS
low enables the
CAT5411 and
CS
high disables the CAT5411.
CS
high
Chip Select
PIN DESCRIPTION
Pin
Pin
Pin
(SOIC)
(TSSOP) (BGA) Name
Function
1
2
19
20
C1
B1
VCC
R
L0
Supply Voltage
Low Reference Terminal
for Potentiometer 0
High Reference Terminal
for Potentiometer 0
Wiper Terminal for Potentiometer 0
Chip Select
Write Protection
Serial Input
Device Address
Low Reference Terminal
for Potentiometer 1
High Reference Terminal
for Potentiometer 1
Wiper Terminal for Potentiometer 1
Ground
No Connect
No Connect
No Connect
No Connect
Bus Serial Clock
3
21
C2
R
H0
4
5
6
7
8
9
22
23
24
1
2
3
A1
A2
B2
B3
A3
A4
R
W0
CS
WP
SI
A1
R
L1
10
4
C3
R
H1
11
12
13
14
15
16
17
5
6
7
8
9
10
11
B4
C4
D4
E4
D3
F4
F3
R
W1
GND
NC
NC
NC
NC
SCK
18
19
20
21
22
23
12
13
14
15
16
17
E3
E2
F2
F1
D2
E1
HOLD
SO
A0
NC
NC
NC
Hold
Serial Data Output
Device Address, LSB
No Connect
No Connect
No Connect
24
18
D1
NC
No Connect
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CAT5411JI-25-TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface |
| CAT5411UI-00-TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface |
| CAT5411UI-10-TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface |
| CAT5411UI-25-TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface |
| CAT5411WI-00-TE13 | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT5411WI00 | 制造商:ON Semiconductor 功能描述:DPP, NV, DUAL 64 TAPS, SPI - Rail/Tube |
| CAT5411WI-00-T1 | 功能描述:數(shù)字電位計(jì) IC DPP NV DUAL 64 TAPS 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(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 |
| CAT5411WI10 | 功能描述:數(shù)字電位計(jì) IC Ind Temp 10K Up/Dwn 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 |
| CAT5411WI-10-T1 | 功能描述:數(shù)字電位計(jì) IC DPP NV DUAL 64 TAPS 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(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 |
| CAT5411WI25 | 制造商:ON Semiconductor 功能描述:DPP, NV, DUAL 64 TAPS, SPI - Rail/Tube |
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