ISL22424 Datasheet, PDF (6/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer (XDCP™)

ISL22424
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
-3.0
-0.7
in standby state
V- = -5.5V, V_CC = +5.5V @ +125°C, SPI
interface in standby state
V- = -2.25V, V_CC = +2.25V @ +85°C, SPI
interface in standby state
-5.0
-1.5
-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
-3.0
-0.7
in standby state
V- = -5.5V, V_CC = +5.5V @ +125°C, SPI
interface in standby state
-5.0
-1.5
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,
Voltage at pin from GND to V_CC
-1
1
SDI, SDO and CS
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 Vcc at which memory recall occurs
1.9
2.1
VccRamp 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
0
0.4
voltage Vpu = Vcc
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
FN6425.0
May 31, 2007