ISL22414 Datasheet, PDF (5/16 Pages) Intersil Corporation – Single Digitally Controlled Potentiometer

ISL22414
Operating Specifications Over the recommended operating conditions unless otherwise specified. Boldface limits apply over the
operating temperature range. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
(Note 18) (Note 4) (Note 18) UNIT
I_V-SB V- Current (Standby)
V- = -5.5V, V_CC = +5.5V @ +85°C, SPI interface -2.5
-0.7
µA
in standby state
V- = -5.5V, V_CC = +5.5V @ +125°C, SPI
-4
-3
µA
interface in standby state
V- = -2.25V, V_CC = +2.25V @ +85°C, SPI
-1.5
-0.3
µA
interface in standby state
V- = -2.25V, V_CC = +2.25V @ +125°C, SPI
-3
-1
µA
interface in standby state
I_SD
V_CC Current (Shutdown)
V_CC = +5.5V, V- = -5.5V @ +85°C, SPI interface
in standby state
0.2
1.5
µA
V_CC = +5.5V, V- = -5.5V @ +125°C, SPI
interface in standby state
1
2.5
µA
V_CC = +2.25V, V- = -2.25V @ +85°C, SPI
interface in standby state
0.1
1
µA
V_CC = +2.25V, V- = -2.25V @ +125°C, SPI
interface in standby state
0.5
2
µA
I_V-SD V- Current (Shutdown)
V- = -5.5V, V_CC = +5.5V @ +85°C, SPI interface -2.5
-0.7
µA
in standby state
V- = -5.5V, V_CC = +5.5V @ +125°C, SPI
-4
-3
µA
interface in standby state
V- = -2.25V, V_CC = +2.25V @ +85°C, SPI
-1.5
-0.3
µA
interface in standby state
V- = -2.25V, V_CC = +2.25V @ +125°C, SPI
-3
-1
µA
interface in standby state
I_LkgDig Leakage Current, at Pins SCK, SDI, Voltage at pin from GND to V_CC
SDO and CS
-0.5
0.5
µA
t_WRT DCP Wiper Response Time
CS rising edge to wiper new position
1.5
µs
t_ShdnRec DCP Recall Time From Shutdown CS rising edge to wiper stored position and RH
1.5
µs
Mode
connection
Vpor Power-on Recall Voltage
VccRamp V_CC Ramp Rate
t_D
Power-up Delay
Minimum V_CC at which memory recall occurs
1.9
0.2
V_CC above Vpor, to DCP Initial Value Register
recall completed, and SPI Interface in standby
state
2.1
V
V/ms
5
ms
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
Cycles
EEPROM Retention
Temperature T ≤ +55ºC
50
Years
t_WC Non-volatile Write Cycle Time
(Note 16)
12
20
ms
SERIAL INTERFACE SPECIFICATIONS
V_IL
SCK, SDI, and CS Input Buffer LOW
voltage
-0.3
0.3*V_CC
V
V_IH
SCK, SDI, and CS Input Buffer HIGH
Voltage
0.7*V_CC
V_CC+0.3
V
Hysteresis SCK, SDI, and CS Input Buffer
Hysteresis
0.05*V_CC
V
V_OL SDO Output Buffer LOW Voltage
I_OL = 4mA for Open Drain output, pull-up
0
voltage Vpu = V_CC
0.4
V
5
FN6424.1
December 16, 2010