isl22444 Intersil Corporation, isl22444 Datasheet - Page 4

• Manufacturer Part Number: isl22444
• Description: Quad Digitally Controlled Potentiometer Xdcp? , Low Noise, Low Power, Spi? Bus, 256 Taps
• Manufacturer: Intersil Corporation

Analog Specifications
Absolute Maximum Ratings
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at any Digital Interface Pin
V
V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -6V to 0.3V
Voltage at any DCP pin with Respect to GND . . . . . . . . . . V- to V
I
Latchup . . . . . . . . . . . . . . . . . . . . . . . . . Class II, Level A @ +125°C
ESD
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
VOLTAGE DIVIDER MODE (V- @ RLi; V
W
(Note 11, 20)
3. θ
CC
C
with Respect to GND . . . . . . . . . . . . . . . . . . . . -0.3V to V
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400V
SYMBOL
V
(Note 20)
(Note 10)
V
I
(Note 9)
(Note 8)
(Note 6)
(Note 7)
(10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
R
ZSerror
FSerror
H
LkgDCP
RH
MATCH
TOTAL
/C
DNL
TC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
R
INL
JA
, V
W
L
V
/C
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
RL
W
RHi to RLi resistance
RHi to RLi resistance tolerance
End-to-End Temperature Coefficient
DCP terminal voltage
Wiper resistance
Potentiometer capacitance
Leakage on DCP pins
Integral non-linearity
Differential non-linearity
Zero-scale error
Full-scale error
DCP to DCP matching
Ratiometric temperature coefficient
PARAMETER
Over recommended operating conditions unless otherwise stated.
4
CC
@ RHi; measured at RWi, unloaded)
W option
U option
T option
W option
U, T option
V
the wiper, I
See “DCP Macro Model” on page 8.
Voltage at pin from V- to V
W option
U, T option
Monotonic over all tap positions,
W option
U, T option
W option
U, T option
W option
U, T option
Wipers at the same tap position, the same
voltage at all RH terminals and the same
voltage at all RL terminals
DCP register set to 80 hex
RH - floating, V
RHi
CC
and V
+0.3
CC
ISL22444
W
RLi
TEST CONDITIONS
= (V
to GND
RL
CC
= V-, force Iw current to
- V
Thermal Information
Thermal Resistance (Typical, Note 3)
Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Temperature Range (Full Industrial) . . . . . . . . . . . .-40°C to +125°C
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15mW
V
V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.25V to -5.5V
Max Wiper Current I
RL
CC
20 Lead TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
20 Lead QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CC
)/R
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25V to 5.5V
TOTAL
w
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3.0mA
MIN
-1.5
-1.0
-1.0
-0.5
-20
V-
-5
-2
-2
0
0
(NOTE 4)
10/10/25
±0.15
TYP
±0.5
±0.2
±0.4
100
±85
±45
0.1
0.5
10
50
70
±4
-1
-1
1
MAX
V
+20
250
1.5
1.0
1.0
0.5
CC
1
5
2
0
0
2
θ
May 24, 2007
JA
(Note 5)
(Note 5)
(Note 5)
(Note 5)
(Note 5)
(Note 5)
(Note 5)
ppm/°C
ppm/°C
ppm/°C
UNIT
FN6426.0
LSB
LSB
LSB
LSB
LSB
LSB
LSB
(°C/W)
kΩ
kΩ
kΩ
pF
µA
%
Ω
V