ISL22444 Datasheet, PDF (6/19 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometer XDCP

ISL22444
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
TYP
MIN (NOTE 4) MAX
I_V-SB V- Current (standby)
V- = -5.5V, V_CC = +5.5V @ +85°C, SPI interface
-4.0
-0.7
in standby state
V- = -5.5V, V_CC = +5.5V @ +125°C, SPI interface
-5.0
-1.5
in standby state
V- = -2.25V, V_CC = +2.25V @ +85°C, SPI
interface in standby state
-2.0
-0.3
V- = -2.25V, V_CC = +2.25V @ +125°C, SPI
interface in standby state
-3.0
-0.4
I_SD
V_CC Current (shutdown)
V_CC = +5.5V, V- = -5.5V @ +85°C, SPI interface
in standby state
V_CC = +5.5V, V- = -5.5V @ +125°C, SPI interface
in standby state
0.5
2.0
1.0
4.0
V_CC = +2.25V, V- = -2.25V @ +85°C, SPI
interface in standby state
0.2
1.0
I_V-SD V- Current (shutdown)
V_CC = +2.25V, V- = -2.25V @ +125°C, SPI
interface in standby state
0.5
2.0
V- = -5.5V, V_CC = +5.5V @ +85°C, SPI interface
-4.0
-0.7
in standby state
V- = -5.5V, V_CC = +5.5V @ +125°C, SPI interface
-5.0
-1.5
in standby state
V- = -2.25V, V_CC = +2.25V @ +85°C, SPI
interface in standby state
V- = -2.25V, V_CC = +2.25V @ +125°C, SPI
interface in standby state
-2.0
-0.3
-3.0
-0.4
I_LkgDig Leakage current, at pins SCK, SDI, Voltage at pin from GND to V_CC
SDO and CS
-1
1
t_WRT DCP wiper response time
CS rising edge to wiper new position
1.5
(Note 20)
t_ShdnRec DCP recall time from shutdown
CS rising edge to wiper stored position and RH
1.5
(Note 20) mode
connection
Vpor Power-on recall voltage
Minimum V_CC at which memory recall occurs
1.9
2.1
V_CCRamp V_CC ramp rate
0.2
t_D
Power-up delay
V_CC above Vpor, to DCP Initial Value Register
5
recall completed, and SPI Interface in standby
state
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
EEPROM Retention
Temperature T ≤ +55ºC
50
t_WC Non-volatile Write Cycle time
(Note 18)
12
20
SERIAL INTERFACE SPECIFICATIONS
V_IL
SCK, SDI, and CS input buffer
LOW voltage
V_IH
SCK, SDI, and CS input buffer
HIGH voltage
0.7*V_CC
0.3*V_CC
Hysteresis SCK, SDI, and CS input buffer
hysteresis
0.05*V_CC
V_OL SDO output buffer LOW voltage I_OL = 4mA for Open Drain output, pull-up voltage
0
0.4
Vpu = V_CC
R_pu SDO pull-up resistor off-chip
Maximum is determined by t_RO and t_FO with
2
(Note 19)
maximum bus load Cb = 30pF, f_SCK = 5MHz
UNIT
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µs
µs
V
V/ms
ms
Cycles
Years
ms
V
V
V
V
kΩ
6
FN6426.0
May 24, 2007