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参数资料
| 型号： | CAT5119SDI-50-T3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/11页 |
| 文件大小： | 0K |
| 描述： | IC DPP MINIPOT 32TAP U/D SC70-6 |
| 标准包装： | 3,000 |
| 系列： | MiniPot™ |
| 接片： | 32 |
| 电阻（欧姆）： | 50k |
| 电路数： | 1 |
| 温度系数： | 标准值 200 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | 2 线串行（芯片选择，增/减） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
CAT5110, CAT5118, CAT5119, CAT5123, CAT5124, CAT5125
http://onsemi.com
5
FUNCTIONAL DESCRIPTION
The CAT5110/5118/5119/5123/5124/5125 consist of a
fixed resistor and a wiper contact with 32tap points that are
digitally controlled through a 2-wire up/down serial
interface. Three end-to-end resistance values are available:
10 k
W, 50 kW and 100 kW.
The CAT5110/5125 is designed to operate as a
potentiometer. In this configuration, the low terminal of the
resistor array is connected to ground (pin 2).
The CAT5118/5123 performs as a variable resistor. In this
device, the wiper terminal and high terminal of the resistor
array are connected at pin 5. The CAT5119/5124 is a similar
variable resistor, except the low terminal is connected to
pin 5.
Digital Interface Operation
The devices have two modes of operation when the serial
interface is active: increment and decrement mode. The
serial interface is only active when CS is low.
The CS and U/D inputs control the position of the wiper
along the resistor array. When CS transitions from high to
low, the part will go into increment mode if U/D input is
high, and into decrement mode when U/D input is low. Once
the mode is set, the device will remain in that mode until CS
goes high again. A low-to-high transition at the U/D pin will
increment or decrement the wiper position depending on the
When the CS input transitions to high (serial interface
inactive), the value of the counter is stored and the wiper
position is maintained.
Note that when the wiper reaches the maximum (or
minimum) tap position, the wiper will not wrap around to the
minimum (or maximum) position.
Power-On Reset
All parts in this family feature power-on reset (POR)
circuitry that sets the wiper position to midscale at
power-up. By default, the chip is in the increment mode.
Figure 7. Serial Interface Timing Diagram, Increment Mode
W
U/D
CS
tCU
tCI
tIL
tIH
tSETTLE
tIC
Note: “W” is not a digital signal. It represents wiper transitions.
Figure 8. Serial Interface Timing Diagram, Decrement Mode
W
Note: “W” is not a digital signal. It represents wiper transitions.
tSETTLE
tCI
tCU
U/D
CS
tIH
tIL
tSETTLE
tIC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT5119TBI-00 | 功能描述:数字电位计 IC Ind Temp 100K Up/Dwn RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| CAT5119TBI-00GT3 | 功能描述:数字电位计 IC DPP MiniPot 32 taps Up/Down RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| CAT5119TBI-00-GT3 | 制造商:ON Semiconductor 功能描述:IC DIGITAL POT 100KOHM 32 SGL SOT23-6 制造商:ON Semiconductor 功能描述:IC, DIGITAL POT 100KOHM 32, SGL, SOT23-6; End To End Resistance:100kohm; Track Taper:Linear; Resistance Tolerance:-; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Potentiometer IC Case Style:SOT-23; No. of Pins:6; No. of Steps:32;RoHS Compliant: Yes 制造商:ON Semiconductor 功能描述:IC, DIGITAL POT 100KOHM 32, SGL, SOT23-6; End To End Resistance:100kohm; Track Taper:Linear; Resistance Tolerance:(Not Available); Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Potentiometer IC Case Style:SOT-23; No. of Pins:6 ;RoHS Compliant: Yes |
| CAT5119TBI-00-T3 | 制造商:ON Semiconductor 功能描述:DPP, MINIPOT 32 TAPS, UP/DOWN - Tape and Reel |
| CAT5119TBI-10-G | 功能描述:数字电位计 IC DPP MiniPot 32 taps Up/Down RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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