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參數(shù)資料
| 型號： | ISL23425TFRUZ-T7A |
| 廠商： | Intersil |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DGTL POT DUAL 100K 16UTQFN |
| 標準包裝： | 1 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 電阻（歐姆）： | 100k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標準值 45 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | 4 線 SPI（芯片選擇） |
| 電源電壓： | 1.2 V ~ 5.5 V，1.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-UFQFN |
| 供應(yīng)商設(shè)備封裝： | 16-UTQFN（2.6x1.8） |
| 包裝： | 標準包裝 |
| 其它名稱： | ISL23425TFRUZ-T7ADKR |
ISL23425
12
FN7873.0
June 20, 2011
Functional Pin Descriptions
Potentiometers Pins
RHI AND RLI
The high (RHi, i = 0, 1) and low (RLi, i = 0, 1) terminals of the
ISL23425 are equivalent to the fixed terminals of a mechanical
potentiometer. RHi and RLi are referenced to the relative position
of the wiper and not the voltage potential on the terminals. With
WRi set to 255 decimal, the wiper will be closest to RHi, and with
the WRi set to 0, the wiper is closest to RLi.
RWI
RWi (i = 0, 1) is the wiper terminal, and it is equivalent to the
movable terminal of a mechanical potentiometer. The position of
the wiper within the array is determined by the WRi register.
Power Pins
VCC
Power terminal for the potentiometer section analog power
source. Can be any value needed to support voltage range of DCP
pins, from 1.7V to 5.5V, independent of the VLOGIC voltage.
Bus Interface Pins
SERIAL CLOCK (SCK)
This input is the serial clock of the SPI serial interface.
SERIAL DATA INPUT (SDI)
The SDI is a serial data input pin for SPI interface. It receives
operation code, wiper address and data from the SPI remote
host device. The data bits are shifted in at the rising edge of the
serial clock SCK, while the CS input is low.
FIGURE 21. WIPER LARGE SIGNAL SETTLING TIME
FIGURE 22. POWER-ON START-UP IN VOLTAGE DIVIDER MODE
FIGURE 23. 10k -3dB CUT OFF FREQUENCY
FIGURE 24. STANDBY CURRENT vs TEMPERATURE
Typical Performance Curves (Continued)
1V/DIV
0.2s/DIV
WIPER
CS RISING
0.5V/DIV
20s/DIV
VCC
WIPER
0.5V/DIV, 0.2s/DIV
-3dB FREQUENCY = 1.4MHz AT MIDDLE TAP
CH1: RH TERMINAL
CH2: RW TERMINAL
0
0.2
0.4
0.6
0.8
1.0
1.8
-40
-15
10
35
60
85
110
S
T
A
N
D
B
Y
C
U
R
E
N
T
I C
C
(
A
)
TEMPERATURE (°C)
VCC = 5.5V, VLOGIC = 5.5V
VCC = 1.7V, VLOGIC = 1.2V
1.6
1.4
1.2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL23425TFRUZ-TK | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI DL FL RNG DCP 16LD 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 |
| ISL23425TFVZ | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI DL FL RNG DCP 14LD 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 |
| ISL23425TFVZ-T7A | 功能描述:數(shù)字電位計 IC 256 TAPVOLATILE SPI DUAL FL RNG IND 14LD 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 |
| ISL23425TFVZ-TK | 功能描述:數(shù)字電位計 IC 256 TAP VOLATILE SPI DL FL RNG DCP 14LD 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 |
| ISL23425UFRUZ-T7A | 功能描述:數(shù)字電位計 IC 256 TAPVOLATILE SPI DUAL FL RNG IND 16LD 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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