參數(shù)資料
型號(hào)： CAT5409YI-25-TE13
元件分類： 數(shù)字電位計(jì)
英文描述： Quad Digitally Programmable Potentiometers (DPPTM) with 64 Taps and 2-wire Interface
中文描述： 四數(shù)字可編程電位計(jì)（DPPTM）與64個(gè)龍頭和2線接口
文件頁(yè)數(shù)： 2/17頁(yè)
文件大?。?/td> 95K
代理商： CAT5409YI-25-TE13
2
CAT5409
Document No. 2010, Rev. I
PIN DESCRIPTION
Pin
Pin
Pin
(BGA) Name
(TSSOP)
(SOIC)
Function
19
20
1
2
C1
B1
VCC
R
L0
Supply Voltage
Low Reference Terminal
for Potentiometer 0
High Reference Terminal
for Potentiometer 0
Wiper Terminal for Potentiometer 0
Device Address
Write Protection
Serial Data Input/Output
Device Address
Low Reference Terminal
for Potentiometer 1
High Reference Terminal
for Potentiometer 1
Wiper Terminal for Potentiometer 1
Ground
No Connect
Wiper Terminal for
Potentiometer 2
High Reference Terminal
for Potentiometer 2
Low Reference Terminal
for Potentiometer 2
Bus Serial Clock
21
3
C2
R
H0
22
23
24
1
2
3
4
5
6
7
8
9
A1
A2
B2
B3
A3
A4
R
W0
A2
WP
SDA
A1
R
L1
4
10
C3
R
H1
5
6
7
8
11
12
13
14
B4
C4
D4
E4
R
W1
GND
NC
R
W2
9
15
D3
R
H2
10
16
F4
R
L2
11
17
F3
SCL
12
13
14
15
16
18
19
20
21
22
E3
D1
F2
F1
D2
A3
NC
A0
R
W3
R
H3
Device Address
No Connect
Device Address, LSB
Wiper Terminal for Potentiometer 3
High Reference Terminal
for Potentiometer 3
Low Reference Terminal
for Potentiometer 3
17
23
E1
R
L3
18
24
E2
NC
No Connect
PIN DESCRIPTIONS
SCL:
The CAT5409 serial clock input pin is used to clock
all data transfers into or out of the device.
Serial Clock
SDA:
The CAT5409 bidirectional serial data pin is used
to transfer data into and out of the device. The
SDA pin is an open drain output and can be wire-
Ored with the other open drain or open collector
outputs.
Serial Data
A0, A1, A2, A3:
These inputs set the device address when ad-
dressing multiple devices. A total of sixteen
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 CAT5409.
Device Address Inputs
R
H
, R
L
: Resistor End Points
The four sets of R
H
and R
L
pins are equivalent to
the terminal connections on a mechanical potenti-
ometer.
R
W
:
The four R
W
pins are equivalent to the wiper
terminal of a mechanical potentiometer.
Wiper
WP
:
The
WP
pin when tied low prevents non-volatile
writes to the data registers (change of wiper control
register is allowed) and when tied high or left
floating normal read/write operations are allowed.
See
Write Protection
on page 7 for more details.
Write Protect Input
DEVICE OPERATION
The CAT5409 is four resistor arrays integrated with 2-
wire serial interface logic, four 6-bit wiper control
registers and sixteen 6-bit, non-volatile memory data
registers. Each resistor array contains 63 separate
resistive elements connected in series. The physical
ends of each array are equivalent to the fixed terminals
of a mechanical potentiometer (R
H
and R
L
). R
H
and R
L
are symmetrical and may be interchanged. The tap
positions between and at the ends of the series resistors
are connected to the output wiper terminals (R
W
) by a
CMOS transistor switch. Only one tap point for each
potentiometer is connected to its wiper terminal at a
time and is determined by the value of the wiper control
register. Data can be read or written to the wiper control
registers or the non-volatile memory data registers via
the 2-wire bus. Additional instructions allows data to be
transferred between the wiper control registers and
each respective potentiometer's non-volatile data
registers. Also, the device can be instructed to operate
in an "increment/decrement" mode.
相關(guān)PDF資料
PDF描述
CAT5409YI-50-TE13 Quad Digitally Programmable Potentiometers (DPPTM) with 64 Taps and 2-wire Interface
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CAT5409WI-25-TE13 Quad Digitally Programmable Potentiometers (DPPTM) with 64 Taps and 2-wire Interface
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CAT5409YI50 功能描述:數(shù)字電位計(jì) IC DPP NV Quad 64 taps I2C 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
CAT5409YI-50-T2 功能描述:數(shù)字電位計(jì) IC DPP NV Quad 64 taps I2C 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
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
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