參數(shù)資料
型號： ISL22449
廠商： Intersil Corporation
英文描述： Low Noise, Low Power, SPI Bus, 128 Taps, Wiper Only(低噪聲,低功率，SPI總線, 128抽頭電位器)
中文描述： 低噪聲，低功耗，SPI總線，128抽頭，雨刷，只有（低噪聲，低功率和SPI總線，128抽頭電位器）
文件頁數(shù)： 4/12頁
文件大小： 356K
代理商： ISL22449
4
FN6333.2
September 15, 2006
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 5)
MAX
UNIT
I
CC1
V
CC
Supply Current (volatile
write/read)
V
CC
= +3.6V, 10k DCP, f
SPI
= 5MHz; (for SPI
active, read and write states)
2.5
mA
V
CC
Supply Current (volatile
write/read)
V
CC
= +3.6V, 50k DCP, f
SPI
= 5MHz; (for SPI
active, read and write states)
0.65
mA
I
CC2
V
CC
Supply Current ( non-volatile
write/read)
V
CC
= +5.5V, 10k DCP, f
SPI
= 5MHz; (for SPI
active, read and write states)
4.0
mA
V
CC
Supply Current ( non-volatile
write/read)
V
CC
= +5.5V, 50k DCP, f
SPI
= 5MHz; (for SPI
active, read and write states)
3.0
mA
I
SB
V
CC
Current (standby)
V
CC
= +5.5V, 10k DCP, SPI interface in
standby state
2.4
mA
V
CC
= +5.5V, 50k DCP, SPI interface in
standby state
525
μA
V
CC
= +3.6V, 10k DCP, SPI interface in
standby state
1.6
mA
V
CC
= +3.6V, 50k DCP, SPI interface in
standby state
350
μA
I
SD
V
CC
Current (shutdown)
V
CC
= +5.5V @ +85°C, SPI interface in
standby state
5
μA
V
CC
= +5.5V@ +125°C, SPI interface in
standby state
6.5
μA
V
CC
= +3.6V @ +85°C, SPI interface in
standby state
4
μA
V
CC
= +3.6V @ +125°C, SPI interface in
standby state
5.5
μA
I
LkgDig
Leakage current, at pins SHDN, SCK,
SDI, SDO and CS
Voltage at pin from GND to V
CC
-1
1
μA
t
WRT
(Note 15)
DCP wiper response time
SCK falling edge of last bit of DCP data byte
to wiper new position
1.5
μs
t
ShdnRec
(Note 15)
DCP recall time from shutdown mode
From rising edge of SHDN signal to wiper
stored position and RH connection
1.5
μs
SCK rising edge of last bit of ACR data byte
to wiper stored position and RH connection
1.5
μs
Vpor
Power-on recall voltage
Minimum V
CC
at which memory recall occurs
2.0
2.6
V
VccRamp
Vcc ramp rate
0.2
V/ms
t
D
Power-up delay
V
CC
above Vpor, to DCP Initial Value
Register recall completed, and SPI Interface
in standby state
3
ms
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
Cycles
EEPROM Retention
Temperature
T < +55
°
C
50
Years
t
WC
(Note 13)
Non-volatile Write cycle time
12
20
ms
SERIAL INTERFACE SPECIFICATIONS
V
IL
SHDN, SCK, SDI, and CS input buffer
LOW voltage
-0.3
0.3*V
CC
V
V
IH
SHDN, SCK, SDI, and CS input buffer
HIGH voltage
0.7*V
CC
V
CC
+0.3
V
ISL22449
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