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參數資料
| 型號： | 419UZ |
| 廠商： | Intersil Corporation |
| 元件分類： | 數字電位計 |
| 英文描述： | Single Digitally Controlled Potentiometer(XDCP) Low Noise, Low Power, SPI Bus, 128 Taps, Wiper Only |
| 中文描述： | 單數控電位（數字電位器）低噪聲，低功耗，SPI總線，128抽頭，雨刷只 |
| 文件頁數： | 8/13頁 |
| 文件大?。?/td> | 359K |
| 代理商： | 419UZ |
4
FN6311.0
June 28, 2006
Operating Specifications Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 5)
MAX
UNIT
ICC1
VCC Supply Current (volatile
write/read)
10k DCP, fSPI = 5MHz; (for SPI active, read
and write states)
1mA
VCC Supply Current (volatile
write/read)
50k DCP, fSPI = 5MHz; (for SPI active, read
and write states)
0.5
mA
ICC2
VCC Supply Current ( non-volatile
write/read)
10k DCP, fSPI = 5MHz; (for SPI active, read
and write states)
3.2
mA
VCC Supply Current ( non-volatile
write/read)
50k DCP, fSPI = 5MHz; (for SPI active, read
and write states)
2.7
mA
ISB
VCC Current (standby)
VCC = +5.5V, 10k DCP, SPI interface in
standby state
850
A
VCC = +5.5V, 50k DCP, SPI interface in
standby state
160
A
VCC = +3.6V, 10k DCP, SPI interface in
standby state
550
A
VCC = +3.6V, 50k DCP, SPI interface in
standby state
100
A
ISD
VCC Current (shutdown)
VCC = +5.5V @ +85°C, SPI interface in
standby state
3A
VCC = +5.5V@ +125°C, SPI interface in
standby state
5A
VCC = +3.6V @ +85°C, SPI interface in
standby state
2A
VCC = +3.6V @ +125°C, SPI interface in
standby state
4A
ILkgDig
Leakage Current, at Pins SHDN, SCK,
SDI, SDO and CS
Voltage at pin from GND to VCC
-1
1
A
tWRT
(Note 14)
Wiper Response Time
Wiper Response Time after SPI write to WR
register
1.5
s
tShdnRec
(Note 14)
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
VCC Ramp 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
°C
50
Years
tWC
(Note 12)
Non-volatile Write Cycle Time
From rising edge of CS
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
T55
≤
ISL22419
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|---|---|
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