ISL23415_11 Datasheet, PDF (7/20 Pages) Intersil Corporation – Single, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23415
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. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
(Note 20) (Note 8) (Note 20) UNITS
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
Serial Interface Specification For SCK, SDI, SDO, CS Unless Otherwise Noted.
SYMBOL
V_IL
V_IH
Hysteresis
V_OL
R_pu
(Note 19)
C_pin
f_SCK
t_CYC
t_WH
t_WL
t_LEAD
t_LAG
t_SU
t_H
t_RI
t_FI
t_DIS
t_SO
t_V
t_HO
t_RO
t_FO
PARAMETER
Input LOW Voltage
Input HIGH Voltage
SDI and SCK Input Buffer Hysteresis
SDO Output Buffer LOW Voltage
SDO Pull-up Resistor Off-chip
SCK, SDO, SDI, CS Pin Capacitance
SCK Frequency
SPI Clock Cycle Time
SPI Clock High Time
SPI Clock Low Time
Lead Time
Lag Time
SDI, SCK and CS Input Setup Time
SDI, SCK and CS Input Hold Time
SDI, SCK and CS Input Rise Time
SDI, SCK and CS Input Fall Time
SDO Output Disable Time
SDO Output Setup Time
SDO Output Valid Time
SDO Output Hold Time
SDO Output Rise Time
SDO Output Fall Time
TEST CONDITIONS
V_LOGIC > 2V
V_LOGIC < 2V
I_OL = 3mA, V_LOGIC > 2V
I_OL = 1.5mA, V_LOGIC < 2V
Maximum is determined by t_RO and t_FO with
maximum bus load Cb = 30pF, f_SCK = 5MHz
V_LOGIC = 1.7V to 5.5V
V_LOGIC = 1.2V to 1.6V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
V_LOGIC ≥ 1.7V
R_pu = 1.5k, Cbus = 30pF
R_pu = 1.5k, Cbus = 30pF
MIN
TYP
MAX
(Note 20) (Note 8) (Note 20) UNITS
-0.3
0.7 x V_LOGIC
0.05 x V_LOGIC
0.1 x V_LOGIC
0
0.3 x V_LOGIC V
V_LOGIC+ 0.3 V
V
0.4
V
0.2 x V_LOGIC V
1.5
kΩ
10
pF
5
MHz
1
MHz
200
ns
100
ns
100
ns
250
ns
250
ns
50
ns
50
ns
10
ns
10
20
ns
0
100
ns
50
ns
150
ns
0
ns
60
ns
60
ns
7
FN7780.1
August 16, 2011