参数资料
| 型号： | ISL22446UFRT20Z-TK |
| 厂商： | Intersil |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 128TP LN LP 20-TQFN |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 1,000 |
| 系列： | XDCP™ |
| 接片： | 128 |
| 电阻（欧姆）： | 50k |
| 电路数： | 4 |
| 温度系数： | 标准值 ±80 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 4 线 SPI（芯片选择） |
| 电源电压： | 2.7 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-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN（4x4） |
| 包装： | 带卷 (TR) |
5
FN6181.2
September 9, 2009
ILkgDig
Leakage Current at Pins SHDN, SCK,
SDI, SDO and CS
Voltage at pin from GND to VCC
-1
1
A
tWRT
(Note 21)
Wiper Response Time after SPI Write
to WR Register
1.5
s
tShdnRec
(Note 21)
DCP Recall Time from Shutdown
Mode
From rising edge of SHDN signal to wiper
stored position and RH connection
1.5
s
SCK rising edge of last bit of ACR data byte
to wiper stored position and RH connection
1.5
s
Vpor
Power-on Recall Voltage
Minimum VCC at which memory recall occurs
2.0
2.6
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
3ms
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
Cycles
EEPROM Retention
Temperature T < +55°C
50
Years
tWC
(Note 19)
Non-volatile Write Cycle Time
12
20
ms
SERIAL INTERFACE SPECIFICATIONS
VIL
SHDN, SCK, SDI, and CS Input Buffer
LOW Voltage
-0.3
0.3*VCC
V
VIH
SHDN, SCK, SDI, and CS Input Buffer
HIGH Voltage
0.7*VCC
VCC + 0.3
V
Hysteresis
SHDN, SCK, SDI, and CS Input Buffer
Hysteresis
0.05*VCC
V
VOL
SDO Output Buffer LOW Voltage
IOL = 4mA
0
0.4
V
Rpu
(Note 20)
SDO pull-up resistor off-chip
Maximum is determined by tRO and tFO with
maximum bus load Cb = 30pF, fSCK = 5MHz
2k
Ω
Cpin
(Note 21)
SHDN, SCK, SDI, SDO and CS Pin
Capacitance
10
pF
fSCK
SPI Frequency
5MHz
tCYC
SPI Clock Cycle Time
200
ns
tWH
SPI Clock High Time
100
ns
tWL
SPI Clock Low Time
100
ns
tLEAD
Lead Time
250
ns
tLAG
Lag Time
250
ns
tSU
SDI, SCK and CS Input Setup Time
50
ns
tH
SDI, SCK and CS Input Hold Time
50
ns
tRI
SDI, SCK and CS Input Rise Time
10
ns
tFI
SDI, SCK and CS Input Fall Time
10
20
ns
tDIS
SDO Output Disable Time
0
100
ns
tV
SDO Output Valid Time
350
ns
Operating Specifications Over the recommended operating conditions, unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 22)
TYP
(Note 5)
MAX
(Note 22)
UNIT
ISL22446
相关PDF资料 |
PDF描述 |
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| ISL22446WFV20Z-TK | IC POT DGTL 128TP LN LP 20-TSSOP |
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| ISL22446WFRT20Z-TK | IC POT DGTL 128TP LN LP 20-TQFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL22446UFV20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD 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 |
| ISL22446UFV20Z-TK | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD 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 |
| ISL22446WFRT20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN 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 |
| ISL22446WFRT20Z-TK | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD DCP 20LD 4X4 TQFN 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 |
| ISL22446WFV20Z | 功能描述:数字电位计 IC 128 TAP FL RNG IND QD 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 |
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