ISL22424 Datasheet, PDF (4/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer (XDCP™)

ISL22424
Absolute Maximum Ratings
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at any Digital Interface Pin
with Respect to GND . . . . . . . . . . . . . . . . . . . . -0.3V to V_CC +0.3
V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -6V to 0.3V
Voltage at any DCP pin with Respect to GND . . . . . . . . . . V- to V_CC
I_W (10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Latchup . . . . . . . . . . . . . . . . . . . . . . . . . Class II, Level A @ +125°C
ESD
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .350V
Thermal Information
Thermal Resistance (Typical, Note 3)
θ_JA (°C/W)
14 Lead TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
16 Lead QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Maximum Junction Temperature (Plastic Package). . . . . . . +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Temperature Range (Full Industrial) . . . . . . . . . . . .-40°C to +125°C
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15mW
V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25V to 5.5V
V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.25V to -5.5V
Max Wiper Current Iw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3.0mA
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:
3. θ_JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Analog Specifications Over recommended operating conditions unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
TYP
MIN (NOTE 4) MAX
UNIT
R_TOTAL RHi to RLi resistance
W option
U option
10
kΩ
50
kΩ
T option
100
kΩ
RHi to RLi resistance tolerance
-20
+20
%
End-to-End Temperature Coefficient W option
±85
ppm/°C
U, T option
±45
ppm/°C
V_RH, V_RL DCP terminal voltage
R_W
Wiper resistance
C_H/C_L/C_W Potentiometer capacitance
(Note 20)
V_RHi and V_RLi to GND
V-
V_CC
V
RH - floating, V_RL = V-, force Iw current to the
wiper, I_W = (V_CC - V_RL)/R_TOTAL
70
250
Ω
See Macro Model below.
10/10/25
pF
I_LkgDCP Leakage on DCP pins
Voltage at pin from V- to V_CC
VOLTAGE DIVIDER MODE (V- @ RLi; V_CC @ RHi; measured at RWi, unloaded)
INL
Integral non-linearity
(Note 9)
W option
0.1
-1.5
±0.5
1
µA
1.5
LSB
(Note 5)
DNL
Differential non-linearity
(Note 8) Monotonic over all tap positions
U, T option
W option
U, T option
-1.0
±0.2
1.0
LSB
(Note 5)
-1.0
±0.4
1.0
LSB
(Note 5)
-0.5
±0.15
0.5
LSB
(Note 5)
ZSerror Zero-scale error
(Note 6)
W option
U, T option
0
1
5
LSB
0
0.5
2
(Note 5)
FSerror Full-scale error
(Note 7)
V_MATCH DCP to DCP matching
(Note 10)
W option
U, T option
-5
-1
0
LSB
-2
-1
0
(Note 5)
Wipers at the same tap position, the same
-2
voltage at all RH terminals and the same
voltage at all RL terminals
2
LSB
(Note 5)
TC_V
Ratiometric temperature coefficient
(Note 11, 20)
DCP register set to 80 hex
±4
ppm/°C
4
FN6425.0
May 31, 2007