ISL23325 Datasheet, PDF (6/20 Pages) Intersil Corporation – Dual, 256-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23325
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
R_offset Offset, Wiper at 0 Position
(Note 16)
W option; V_CC = 2.7V to 5.5V
0
3
5.5
MI
(Note 15)
W option; V_CC = 1.7V
6.3
MI
(Note 15)
U, T option; V_CC = 2.7V to 5.5V
0
0.5
2
MI
(Note 15)
U, T option; V_CC = 1.7V
1.1
MI
(Note 15)
Rmatch DCP to DCP Matching
(Note 23)
Any two DCPs at the same tap position
-2
with the same terminal voltages
2
LSB
(Note 9)
TCR Resistance Temperature Coefficient
(Note 19)
W option; Wiper register set between
32 hex and FF hex
170
ppm/°C
U option; Wiper register set between
32 hex and FF hex
80
ppm/°C
T option; Wiper register set between
32 hex and FF 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 20)
TYP
(Note 8)
MAX
(Note 20)
UNITS
I_LOGIC V_LOGIC Supply Current (Write/Read)
V_LOGIC = 5.5V, V_CC = 5.5V,
f_SCL = 400kHz (for I²C active read and
write)
200
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
f_SCL = 400kHz (for I²C active read and
write)
5
µA
I_CC
V_CC Supply Current (Write/Read)
I_{LOGIC SB} V_LOGIC Standby Current
V_LOGIC = 5.5V, V_CC = 5.5V
V_LOGIC = 1.2V, V_CC = 1.7V
V_LOGIC = V_CC = 5.5V,
I²C interface in standby
18
µA
10
µA
1
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
I²C interface in standby
0.5
µA
I_{CC SB} V_CC Standby Current
V_LOGIC = V_CC = 5.5V,
I²C interface in standby
2
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
I²C interface in standby
1.2
µA
I_LOGIC
SHDN
V_LOGIC Shutdown Current
IV^2LC^OGin^ICte=rfaVc^Ce^C
=
in
5.5V,
standby
V_LOGIC = 1.2V, V_CC = 1.7V,
I²C interface in standby
1
µA
0.5
µA
I_{CC SHDN} V_CC Shutdown Current
V_LOGIC = V_CC = 5.5V,
I²C interface in standby
2
µA
V_LOGIC = 1.2V, V_CC = 1.7V,
I²C interface in standby
1.2
µA
I_LkgDig Leakage Current, at Pins A0, A1, A2,
SDA, SCL
Voltage at pin from GND to V_LOGIC
-0.4
<0.1
0.4
µA
6
FN7870.0
June 21, 2011