WMS7170 Datasheet, PDF (13/22 Pages) Winbond – NON-VOLATILE DIGITAL POTENTIOMETERS WITH UP/DOWN (3-WIRE) INTERFACE, 10KOHM, 50KOHM, 100KOHM RESISTANCE 100 TAPS WITHOUT / WITH OUTPUT BUFFER

WMS7170 / 7171
TABLE 12 – ELECTRICAL CHARACTERISTICS (Packaged parts) – Cont’d
PARAMETERS
Input Leakage Current
Output Leakage Current
Input Capacitance ^[1]
Output Capacitance ^[1]
Power Requirements
Operating Voltage
Operating Current
Standby Current
Power Supply Rejection
Ratio
SYMBOL
I_LI
I_Lo
C_IN
C_OUT
MIN.
-1
-1
TYP.
25
25
MAX.
+1
+1
UNITS
uA
uA
pF
pF
CONDITIONDS ^[5]
CS =V_DD,Vin=Vss ~ V_DD
CS =V_DD,Vin=V_SS ~ V_DD
V_DD=5V, fc = 1Mhz
V_DD=5V, fc = 1Mhz
V_DD
2.7
5.5
V
I_DDR, I_DDW
1
2
mA All operations
I_SA ^[3]
Buffer = ON
0.5
1
mA
CS = HIGH, no load
I_SB ^[4]
Buffer = OFF
0.1
1
uA
CS = HIGH, no load
PSRR
1
LSB/V V_DD=5V±10%, Wiper at center
Notes:
[1] _{Not subject to production test.}
[2] _{LSB = (RA/VA – RB/VB) / (T - 1); DNL = (Vi - Vi+1) / LSB + 1 (if increment) or = (Vi -}
V_i+1) / LSB - 1 (if decrement); INL = (V_i - i*LSB) / LSB; where i = [0, (T -1)] and T =
# of taps of the device.
[3] _{WMS7171 only.}
[4] _{WMS7170 only.}
[5] _{Conditions: VCC = 2.7 to 5.5V, T = 25ºC and timing measured at 50% level, unless stated.}
[6] _{Only guarantee by design.}
[7] _{Rtotal = end-to-end resistance.}
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Publication Release Date: July 2003
Revision 1.0