ISL23418 Datasheet, PDF (6/20 Pages) Intersil Corporation – Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23418
Analog Specifications V_CC = 2.7V to 5.5V, V_LOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise stated.
Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20)
TYP
(Note 8)
MAX
(Note 20)
UNITS
TCR Resistance Temperature Coefficient W option; Wiper register set between
220
ppm/°C
(Note 19)
32 hex and 7F hex
U option; Wiper register set between
32 hex and 7F hex
100
ppm/°C
T option; Wiper register set between
32 hex and 7F hex
75
ppm/°C
Operating Specifications V_CC = 2.7V to 5.5V, V_LOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise
stated. Boldface limits apply over the operating temperature range, -40°C to +125°C.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
(Note 20) (Note 8) (Note 20) UNITS
I_LOGIC V_LOGIC Supply Current (Write/Read)
I_CC
V_CC Supply Current (Write/Read)
I_{LOGIC SB} V_LOGIC Standby Current
V_LOGIC = 5.5V, V_CC = 5.5V,
f_SCK = 5MHz (for SPI active read and write)
V_LOGIC = 1.2V, V_CC = 1.7V,
f_SCK = 1MHz (for SPI active read and write)
V_LOGIC = 5.5V, V_CC = 5.5V
V_LOGIC = 1.2V, V_CC = 1.7V
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
1.5
mA
30
µA
100
µA
10
µA
1.3
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
0.4
µA
I_{CC SB} V_CC Standby Current
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
1.5
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
1
µA
I_{LOGIC SHDN} V_LOGIC Shutdown Current
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
1.3
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
0.4
µA
I_{CC SHDN} V_CC Shutdown Current
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
1.5
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
1
µA
I_LkgDig Leakage Current, at Pins CS, SDO, SDI, Voltage at pin from GND to V_LOGIC
SCK
-0.4
<0.1
0.4
µA
t_DCP Wiper Response Time
W option; CS rising edge to wiper new position,
0.4
µs
from 10% to 90% of final value.
U option; CS rising edge to wiper new position,
1.5
µs
from 10% to 90% of final value.
T option; CS rising edge to wiper new position,
3.5
µs
from 10% to 90% of final value.
tShdnRec DCP Recall Time from Shutdown Mode CS rising edge to wiper recalled position and
1.5
µs
RH connection
V_CC, V_LOGIC V_CC, V_LOGIC Ramp Rate
Ramp
Ramp monotonic at any level
0.01
50
V/ms
6
FN7901.0
August 3, 2011