X9251_14 Datasheet, PDF (12/21 Pages) Intersil Corporation – Single Supply/Low Power/256-Tap/SPI Bus, Quad Digitally-Controlled Potentiometer

X9251
Absolute Maximum Ratings
Temperature Under Bias . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to +135C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to +150C
Voltage on SCK, CS, SI, SO, WP, HOLD, V_CC
with respect to V_SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-1V to +7V
V = | (V_H - VL) |. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.5V
Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . +300C
I_W (10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Wiper Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3mA
Power Rating (each pot) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50mW
Recommended Operating Conditions
Commercial Temperature Range . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Industrial Temperature Range . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Supply Voltage (V_CC) Limits (Note 12)
X9251 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V ±10%
X9251-2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
Analog Characteristics Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
R_TOTAL
R_W
End to End Resistance
End to End Resistance Tolerance
Wiper Resistance
V_TERM
Voltage on any R_H or R_L Pin
Noise (Note 14)
Resolution
Absolute Linearity (Note 9)
U version
I_W =
V(V_CC)
R_TOTAL
at V_CC = 3V
I_W =
V(V_CC)
R_TOTAL
at V_CC = 5V
V_SS = 0V
V_SS
Ref: 1V
R_w(n)(actual) - R_{w(n)(expected)} (Note 13)
-1
TYP
50
-120
0.4
Relative Linearity (Note 10)
R_{w(n + 1)} - [R_{w(n) + MI}] (Note 13)
-0.6
C_H/C_L/C_W
Temperature Coefficient of R_TOTAL
Ratiometric Temp. Coefficient
Potentiometer Capacitances
(Note 14)
(Note 14)
See macromodel on page 13, (Note 14)
300
20
10/10/25
MAX
±20
300
220
V_CC
+1
+0.6
UNITS
kΩ
%
Ω
Ω
V
dBV√Hz
%
MI
(Note 11)
MI
(Note 11)
ppm/C
ppm/°C
pF
DC Operating Characteristics Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
I_CC1 V_CC Supply Current (Active)
I_CC2 V_CC Supply Current
(Nonvolatile Write)
I_SB
V_CC Current (Standby)
I_LI
Input Leakage Current
I_LO
Output Leakage Current
V_IH
Input HIGH Voltage
V_IL
Input LOW Voltage
V_OL
Output LOW Voltage
V_OH Output HIGH Voltage
V_OH Output HIGH Voltage
TEST CONDITIONS
f_SCK = 2.5MHz, SO = Open, V_CC = 6V
Other Inputs = V_SS
f_SCK = 2.5MHz, SO = Open, V_CC = 6V
Other Inputs = V_SS
SCK = SI = V_SS, Addr. = V_SS,
CS = V_CC = 6V
V_IN = V_SS to V_CC
V_OUT = V_SS to V_CC
I_OL = 3mA
I_OH = -1mA, V_CC  +3V
I_OH = -0.4mA, V_CC  +3V
MIN
TYP
1
V_CC x 0.7
V_CC - 0.8
V_CC - 0.4
MAX
400
5
3
10
10
V_CC x 0.3
0.4
UNITS
µA
mA
µA
µA
µA
V
V
V
V
V
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FN8166.6
December 3, 2014