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參數(shù)資料
| 型號： | X9438WV24-2.7 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| 中文描述： | DUAL 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24 |
| 封裝： | PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 280K |
| 代理商： | X9438WV24-2.7 |
2
FN8199.0
March 11, 2005
PIN DESCRIPTIONS
Host Interface Pins
Serial Clock (SCL)
The SCL input is used to clock data into and out of the
X9438.
Serial Data (SDA)
SDA is a bidirectional pin used to transfer data into
and out of the device. It is an open drain output and
may be wire-ORed with any number of open drain or
open collector outputs. An open drain output requires
the use of a pull-up resistor.
Device Address (A
0
- A
3
)
The address inputs are used to set the least significant
4 bits of the 8-bit slave address. A match in the slave
address serial data stream must be made with the
address input in order to initiate communication with
the X9438. A maximum of 16 devices may share the
same 2-wire serial bus.
Potentiometer Pins
(1)
R
H
(R
H0
- R
H1
), R
L
(R
L0
- R
L1
)
The R
H
and R
L
inputs are equivalent to the terminal con-
nections on either end of a mechanical potentiometer.
R
W
(R
W0
- R
W1
)
The wiper output is equivalent to the wiper output of a
mechanical potentiometer.
Amplifier and Device Pins
Amplifier Input Voltage V
NI
(0,1) and V
INV
(0,1)
V
NI
and V
INV
are inputs to the noninverting (+) and
inverting (-) inputs of the operational amplifiers.
Amplifier Output Voltage V
OUT
(0,1)
V
OUT
is the voltage output pin of the operational
amplifier.
Hardware Write Protect Input WP
The WP pin, when low, prevents non-volatile writes to
the wiper counter registers.
Note:
(1) Alternate designations for R
H
, R
L
, R
W
are V
H
, V
L
, V
W
Analog Supplies V+, V-
The analog supplies V+, V- are the supply voltages for
the XDCP analog section and the operational amplifiers.
System Supply V
CC
and Ground V
SS
.
The system supply V
CC
and its reference V
SS
is used
to bias the interface and control circuits.
PIN CONFIGURATION
PIN NAMES
Symbol
SCL
SDA
A0 - A3
R
H0
- R
H1
,
R
L0
- R
L1
R
W0
- R
W1
V
NI(0,1)
,
V
INV(0,1)
V
OUT0,
V
OUT1
WP
V+,V-
V
CC
V
SS
NC
Description
Serial Clock
Serial Data
Device Address
Potentiometers (terminal equivalent)
Potentiometers (wiper equivalent)
Amplifier Input Voltages
Amplifier Outputs
Hardware Write Protection
Analog and Voltage Amplifier Supplies
System/Digital Supply Voltage
System Ground
No Connection
V
CC
R
L0
R
H0
R
W0
A
2
WP
SDA
A1
R
L1
R
H1
R
W1
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
13
V+
V
OUT0
V
NI0
V
INV0
A0
NC
A
3
SCL
V
INV1
V
NI1
V
OUT1
V-
SOIC
X9438
V
SS
12
V-
V
SS
R
W1
R
H1
R
L1
A
1
SDA
V
INV0
V
NI0
V
OUT0
A
3
SCL
V
INV1
NC
A
0
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
13
WR
A
2
V
CC
R
L0
R
H0
R
W0
TSSOP
X9438
V+
12
V
OUT1
V
NI1
X9438
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相關(guān)代理商/技術(shù)參數(shù) |
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| X9438WV24I | 功能描述:IC DUAL DCP + OPAMP 10K 24TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲器類型:非易失 接口:3 線串口 電源電壓:2.7 V ~ 5.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN-EP（3x3） 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:1399 (CN2011-ZH PDF) 其它名稱:MAX5423ETA+TCT |
| X9438WV24I-2.7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YP24 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YP24-2.7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YP24I | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
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