参数资料
| 型号： | ISL22444TFR20Z |
| 厂商： | Intersil |
| 文件页数： | 16/19页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 256TP LN LP 20-QFN |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 600 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 电阻（欧姆）： | 100k |
| 电路数： | 4 |
| 温度系数： | 标准值 ±45 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线 SPI（芯片选择） |
| 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 |
6
FN6426.0
May 24, 2007
IV-SB
V- Current (standby)
V- = -5.5V, VCC = +5.5V @ +85°C, SPI interface
in standby state
-4.0
-0.7
A
V- = -5.5V, VCC = +5.5V @ +125°C, SPI interface
in standby state
-5.0
-1.5
A
V- = -2.25V, VCC = +2.25V @ +85°C, SPI
interface in standby state
-2.0
-0.3
A
V- = -2.25V, VCC = +2.25V @ +125°C, SPI
interface in standby state
-3.0
-0.4
A
ISD
VCC Current (shutdown)
VCC = +5.5V, V- = -5.5V @ +85°C, SPI interface
in standby state
0.5
2.0
A
VCC = +5.5V, V- = -5.5V @ +125°C, SPI interface
in standby state
1.0
4.0
A
VCC = +2.25V, V- = -2.25V @ +85°C, SPI
interface in standby state
0.2
1.0
A
VCC = +2.25V, V- = -2.25V @ +125°C, SPI
interface in standby state
0.5
2.0
A
IV-SD
V- Current (shutdown)
V- = -5.5V, VCC = +5.5V @ +85°C, SPI interface
in standby state
-4.0
-0.7
A
V- = -5.5V, VCC = +5.5V @ +125°C, SPI interface
in standby state
-5.0
-1.5
A
V- = -2.25V, VCC = +2.25V @ +85°C, SPI
interface in standby state
-2.0
-0.3
A
V- = -2.25V, VCC = +2.25V @ +125°C, SPI
interface in standby state
-3.0
-0.4
A
ILkgDig
Leakage current, at pins SCK, SDI,
SDO and CS
Voltage at pin from GND to VCC
-1
1
A
tWRT
(Note 20)
DCP wiper response time
CS rising edge to wiper new position
1.5
s
tShdnRec
(Note 20)
DCP recall time from shutdown
mode
CS rising edge to wiper stored position and RH
connection
1.5
s
Vpor
Power-on recall voltage
Minimum VCC at which memory recall occurs
1.9
2.1
V
VCCRamp VCC ramp rate
0.2
V/ms
tD
Power-up delay
VCC above Vpor, to DCP Initial Value Register
recall completed, and SPI Interface in standby
state
5ms
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
Cycles
EEPROM Retention
Temperature T
≤ +55C
50
Years
tWC
(Note 18)
Non-volatile Write Cycle time
12
20
ms
SERIAL INTERFACE SPECIFICATIONS
VIL
SCK, SDI, and CS input buffer
LOW voltage
0.3*VCC
V
VIH
SCK, SDI, and CS input buffer
HIGH voltage
0.7*VCC
V
Hysteresis
SCK, SDI, and CS input buffer
hysteresis
0.05*VCC
V
VOL
SDO output buffer LOW voltage
IOL = 4mA for Open Drain output, pull-up voltage
Vpu = VCC
00.4
V
Rpu
(Note 19)
SDO pull-up resistor off-chip
Maximum is determined by tRO and tFO with
maximum bus load Cb = 30pF, fSCK = 5MHz
2k
Ω
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 4)
MAX
UNIT
ISL22444
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相关代理商/技术参数 |
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| ISL22444TFR20Z-TK | 功能描述:数字电位计 IC 276 TAP FL RNG IND QD SPI 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 |
| ISL22444TFV20Z | 功能描述:数字电位计 IC 267 TAP FL RNG IND QD SPI 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 |
| ISL22444TFV20Z-TK | 功能描述:数字电位计 IC 270 TAP FL RNG IND QD SPI 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 |
| ISL22444UFR20Z | 功能描述:数字电位计 IC 274 TAP FL RNG IND QD SPI 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 |
| ISL22444UFR20Z-TK | 功能描述:数字电位计 IC 277 TAP FL RNG IND QD SPI 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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