参数资料
| 型号： | ISL22343UFR20Z |
| 厂商： | Intersil |
| 文件页数： | 16/18页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 256TP LN LP 20-QFN |
| 标准包装： | 600 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 4 |
| 温度系数： | 标准值 ±45 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN 裸露焊盘（5x5） |
| 包装： | 管件 |
7
FN6423.1
March 13, 2008
SERIAL INTERFACE SPECS
VIL
A1, A0, A2, SDA, and SCL
Input Buffer LOW Voltage
0.3*VCC
V
VIH
A1, A0, A2, SDA, and SCL
Input Buffer HIGH Voltage
0.7*VCC
V
Hysteresis
(Note 19)
SDA and SCL Input Buffer
Hysteresis
0.05*VCC
V
VOL
(Note 19)
SDA Output Buffer LOW
Voltage, Sinking 4mA
00.4
V
Cpin
(Note 19)
A1, A0, A2, SDA, and SCL
Pin Capacitance
10
pF
fSCL
SCL Frequency
400
kHz
tsp
Pulse Width Suppression
Time at SDA and SCL
Inputs
Any pulse narrower than the max spec is suppressed
50
ns
tAA
(Note 19)
SCL Falling Edge to SDA
Output Data Valid
SCL falling edge crossing 30% of VCC, until SDA exits
the 30% to 70% of VCC window
900
ns
tBUF
(Note 19)
Time the Bus Must be Free
Before the Start of a New
Transmission
SDA crossing 70% of VCC during a STOP condition, to
SDA crossing 70% of VCC during the following START
condition
1300
ns
tLOW
Clock LOW Time
Measured at the 30% of VCC crossing
1300
ns
tHIGH
Clock HIGH Time
Measured at the 70% of VCC crossing
600
ns
tSU:STA
START Condition Setup
Time
SCL rising edge to SDA falling edge; both crossing 70%
of VCC
600
ns
tHD:STA
START Condition Hold
Time
From SDA falling edge crossing 30% of VCC to SCL
falling edge crossing 70% of VCC
600
ns
tSU:DAT
Input Data Setup Time
From SDA exiting the 30% to 70% of VCC window, to
SCL rising edge crossing 30% of VCC
100
ns
tHD:DAT
Input Data Hold Time
From SCL rising edge crossing 70% of VCC to SDA
entering the 30% to 70% of VCC window
0ns
tSU:STO
STOP Condition Setup
Time
From SCL rising edge crossing 70% of VCC, to SDA
rising edge crossing 30% of VCC
600
ns
tHD:STO
STOP Condition Hold
Time for Read, or Volatile
Only Write
From SDA rising edge to SCL falling edge; both
crossing 70% of VCC
1300
ns
tDH
(Note 19)
Output Data Hold Time
From SCL falling edge crossing 30% of VCC, until SDA
enters the 30% to 70% of VCC window
0ns
tR
(Note 19)
SDA and SCL Rise Time
From 30% to 70% of VCC
20 +
0.1*Cb
250
ns
tF
(Note 19)
SDA and SCL Fall Time
From 70% to 30% of VCC
20 +
0.1*Cb
250
ns
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 21)
TYP
(Note 5)
MAX
(Note 21)
UNIT
ISL22343
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| ISL22343UFR20Z-TK | 功能描述:数字电位计 IC 265 TAP FL RNG IND QD I2C DCP 5X5 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 |
| ISL22343UFV20Z | 功能描述:数字电位计 IC 256 TAP FL RNG IND QD I2C DCP 20LD 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 |
| ISL22343UFV20Z-TK | 功能描述:数字电位计 IC 259 TAP FL RNG IND QD I2C DCP 20LD 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 |
| ISL22343WFR20Z | 功能描述:数字电位计 IC 263 TAP FL RNG IND QD I2C DCP 5X5 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 |
| ISL22343WFR20Z-TK | 功能描述:数字电位计 IC 266 TAP FL RNG IND QD I2C DCP 5X5 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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