ISL23428_15 Datasheet, PDF (6/21 Pages) Intersil Corporation – Dual, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23428
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 19)
TYP
(Note 7)
MAX
(Note 19)
UNITS
R_offset Offset, Wiper at 0 Position
(Note 15)
W option; V_CC = 2.7V to 5.5V
0
1.8
3
MI
(Note 14)
W option; V_CC = 1.7V
3
MI
(Note 14)
U, T option; V_CC = 2.7V to 5.5V
0
0.3
1
MI
(Note 14)
U, T option; V_CC = 1.7V
0.5
MI
(Note 14)
Rmatch DCP to DCP Matching
(Note 22)
Any two DCPs at the same tap position
-2
with the same terminal voltages
±0.5
2
LSB
(Note 8)
TCR Resistance TemperatureCoefficient
(Note 18)
W option; Wiper register set between 19
hex and 7F hex
170
ppm/°C
U option; Wiper register set between 19
hex and 7F hex
80
ppm/°C
T option; Wiper register set between 19
hex and 7F hex
50
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
(Note 19)
TYP
MAX
(Note 7) (Note 19) 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
2
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
0.5
µA
I_{CC SB} V_CC Standby Current
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
2
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
1.2
µA
I_LOGIC
SHDN
V_LOGIC Shutdown Current
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
2
µA
0.5
µA
I_{CC SHDN} V_CC Shutdown Current
V_LOGIC = V_CC = 5.5V,
SPI interface in standby
2
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
SPI interface in standby
1.2
µA
I_LkgDig Leakage Current, at Pins CS, SDO, SDI, SCK Voltage at pin from GND to V_LOGIC
-0.4
<0.1
0.4
µA
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6
FN7904.2
September 23, 2015