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參數(shù)資料
| 型號(hào)： | X9118TV14 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 11/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DCP 100K 1024TP 14TSSOP |
| 標(biāo)準(zhǔn)包裝： | 95 |
| 系列： | XDCP™ |
| 接片： | 1024 |
| 電阻（歐姆）： | 100k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±300 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 管件 |
3
FN8161.4
December 4, 2009
Pin Configuration
X9118
(14 LD TSSOP)
TOP VIEW
Pin Descriptions
Bus Interface Pins
SERIAL DATA INPUT/OUTPUT (SDA)
The SDA is a bidirectional serial data input/output pin for a
2-wire slave device and is used to transfer data into and out
of the device. It receives device address, opcode, wiper
register address and data sent from a 2-wire master at the
rising edge of the serial clock SCL, and it shifts out data after
each falling edge of the serial clock SCL.
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. For
selecting typical values, refer to the guidelines for calculating
typical values on the bus pull-up resistors graph.
SERIAL CLOCK (SCL)
This input is used by 2-wire master to supply 2-wire serial
clock to the X9118.
DEVICE ADDRESS (A1–A0)
The address inputs are used to set the least significant 2 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 X9118. A maximum
of 4 XDCP devices may occupy the 2-wire serial bus.
HARDWARE WRITE PROTECT INPUT (WP)
The WP pin when LOW prevents nonvolatile writes to the
Data Registers.
Potentiometer Pins
RH, RL
The RH and RL pins are equivalent to the terminal
connections on a mechanical potentiometer.
RW
The wiper pin is equivalent to the wiper terminal of a
mechanical potentiometer.
Bias Supply Pins
SYSTEM SUPPLY VOLTAGE (VCC) AND SUPPLY
GROUND (VSS)
The VCC pin is the system or digital supply voltage. The VSS
pin is the system ground.
ANALOG SUPPLY VOLTAGES (V+ AND V
-)
These supplies are the analog voltage supplies for the
potentiometer. The V+ supply is tied to the wiper switches
while the V- supply is used to bias the switches and the
internal P+ substrate of the integrated circuit. Both of these
supplies set the voltage limits of the potentiometer.
Other Pins
NO CONNECT
No connect pins should be left open. These pins are used for
Intersil manufacturing and testing purposes.
Principles of Operation
The X9118 is an integrated microcircuit incorporating a
resistor array and its registers and counters and the serial
interface logic providing direct communication between the
host and the digitally controlled potentiometer. This section
provides a detailed description of the following:
Resistor Array Description
Serial Interface Description
Instruction and Register Description
Resistor Array Description
The X9118 is comprised of a resistor array. The array
contains 1023, in effect, discrete resistive segments that are
connected in series (see Figure 1). The physical ends of
each array are equivalent to the fixed terminals of a
mechanical potentiometer (RH and RL inputs).
Pin Assignments
PIN
(TSSOP)
SYMBOL
FUNCTION
1
V+
Analog Supply Voltage
2
NC
No Connect
3
A0
Device Address for 2-wire bus
4
SCL
Serial Clock for 2-wire bus
5WP
Hardware Write Protect
6
SDA
Serial Data Input/Output for 2-wire bus
7VSS
System Ground
8
V-
Analog Supply Voltage
9
A1
Device Address for 2-wire bus
10
NC
No Connect
11
RW
Wiper terminal of the Potentiometer
12
RH
High terminal of the Potentiometer
13
RL
Low terminal of the Potentiometer
14
VCC
System Supply Voltage
VCC
RL
VSS
1
2
3
4
5
6
7
8
14
13
12
11
10
9
A0
RW
SCL
A1
RH
NC
V+
SDA
NC
WP
V-
X9118
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參數(shù)描述 |
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| X9118TV14-2.7 | 功能描述:IC XDCP SGL 1024TAP 100K 14TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲(chǔ)器類型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9118TV14I | 功能描述:IC DCP 100K 1024TP 14TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲(chǔ)器類型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9118TV14I-2.7 | 功能描述:IC XDCP SGL 1024TAP 100K 14TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲(chǔ)器類型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9118TV14IZ | 功能描述:IC XDCP SGL 1024TAP 100K 14TSSOP RoHS:是 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:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9118TV14IZ-2.7 | 功能描述:IC XDCP SGL 1024TAP 100K 14TSSOP RoHS:是 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:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
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