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ISL22317_10 Datasheet, PDF (4/15 Pages) Intersil Corporation – Precision Single Digitally Controlled Potentiometer (XDCP™)
ISL22317
Analog Specifications Over recommended operating conditions unless otherwise stated. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
(Note 22) (Note 7) (Note 22) UNIT
ZSerror
(Note 9)
Zero-scale Error
FSerror Full-scale Error
(Note 10)
TCV
Ratiometric Temperature Coefficient
(Notes 13, 19)
W, U or T option
VRL < VRW < VRL + 0.3V
W, U or T option
VCC - 0.3V < VRW < VCC
Match to external Rref, DCP register set
between 15 hex and 7F hex
0.5
2
LSB
(Note 8)
-2
-0.5
LSB
(Note 8)
TCref
±10
ppm/°C
fcutoff
-3dB Cut Off Frequency
Wiper at midpoint (40hex) W option (10k)
1
kHz
(Note 19)
Wiper at midpoint (40hex) U option (50k)
1
kHz
Wiper at midpoint (40hex) T option (100k)
1
kHz
RESISTOR MODE (Measurements between RW and RL with RH not connected)
RINL
Integral Non-linearity
(Note 17)
RDNL
Differential Non-linearity
(Note 16)
Roffset Offset
(Note 15)
W, U or T option
Current forced to the wiper
IW = (VCC - VRL)/RTOTAL (Note 20)
W, U or T option
Current forced to the wiper
IW = (VCC - VRL)/RTOTAL (Note 20)
W, U or T option, wiper is out of
recommended operation conditions
-3
±1
3
MI
(Note 14)
-3
±1
3
MI
(Note 14)
0
1
2
MI
(Note 14)
TCR
Resistance Temperature Coefficient Match to external Rref, DCP register set
(Notes 18, 19)
between 15 hex and 7F hex, all options
TCref
±10
ppm/°C
Operating Specifications Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
(Note 22) (Note 7) (Note 22)
ICC1
VCC Supply Current (volatile
write/read)
(VfoCrCI2=C+, 5a.c5tViv,ef,SrCeLad=
400kHz; SDA = Open;
and write states)
0.6
1.2
(VfoCrCI2=C+, 2a.c7tViv,ef,SrCeLad=
400kHz; SDA = Open;
and write states), 10k
0.35
0.9
ICC2
VCC Supply Current (non-volatile
write/read)
(VfoCrCI2=C+, 5a.c5tViv,ef,SrCeLad=
400kHz; SDA = Open;
and write states)
1.75
2.5
ISB
VCC Current (Standby)
ISD
VCC Current (Shutdown)
(VfoCrCI2=C+, 2a.c7tViv,ef,SrCeLad=
400kHz; SDA = Open;
and write states)
VCC = +5.5V @ +125°C, I2C interface in
standby state
VCC = +2.7V @ +125°C, I2C interface in
standby state, 10k
VCC = +5.5V @ +125°C, I2C interface in
standby state
1.0
1.8
0.5
1.0
0.3
0.75
0.5
1.5
ILkgDig Leakage Current, at Pins REF_A,
Voltage at pin from GND to VCC
-0.25
0.25
REF_B, A1, SDA, and SCL
tDCP
DCP Wiper Response Time
SCL falling edge of last bit of DCP data byte
150
(Note 19)
to wiper new position
tShdnRec DCP Recall Time from Shutdown
SCL falling edge of last bit of ACR data byte
150
(Note 19) Mode
to wiper stored position and RH connection
Vpor Power-on Recall Voltage
Minimum VCC at which memory recall occurs
2.6
VCC Ramp VCC Ramp Rate
0.2
50
UNIT
mA
mA
mA
mA
mA
mA
µA
µA
µs
µs
V
V/ms
4
FN6912.1
April 15, 2010