wms7171 Winbond Electronics Corp America, wms7171 Datasheet - Page 13

• Manufacturer Part Number: wms7171
• Description: Non-volatile Digital Potentiometers With Up/down 3-wire Interface, 10kohm, 50kohm, 100kohm Resistance 100 Taps Without / With Output Buffer
• Manufacturer: Winbond Electronics Corp America

Input Leakage Current
Output Leakage Current
Input Capacitance
Output Capacitance
Power Requirements
Operating Voltage
Operating Current
Standby Current
Power Supply Rejection
Ratio
PARAMETERS
Notes:
[1]
[2]
[3]
[4]
[5]
[6]
[7]
Not subject to production test.
LSB = (R
WMS7171 only.
WMS7170 only.
Conditions: V
Only guarantee by design.
R
[1]
V
# of taps of the device.
total
TABLE 12 – ELECTRICAL CHARACTERISTICS (Packaged parts) – Cont’d
[1]
i+1
) / LSB - 1 (if decrement); INL = (V
= end-to-end resistance.
A
/V
A
CC
– R
SYMBOL
I
DDR
= 2.7 to 5.5V, T = 25ºC and timing measured at 50% level, unless stated.
PSRR
C
I
I
V
B
C
SA
SB
I
I
, I
OUT
/V
Lo
LI
DD
IN
[3]
[4]
DDW
B
) / (T - 1); DNL = (V
MIN.
2.7
-1
-1
- 13 -
i
TYP.
- i*LSB) / LSB; where i = [0, (T -1)] and T =
0.5
0.1
25
25
1
i
- V
i+1
) / LSB + 1 (if increment) or = (V
MAX.
5.5
+1
+1
2
1
1
1
Publication Release Date: July 2003
UNITS
LSB/V
WMS7170 / 7171
mA
mA
uA
uA
pF
pF
uA
V
V
V
All operations
Buffer = ON
Buffer = OFF
V
CS =V
CS =V
CS = HIGH, no load
CS = HIGH, no load
DD
DD
DD
=5V, fc = 1Mhz
=5V, fc = 1Mhz
=5Vr10%, Wiper at center
CONDITIONDS
DD
DD
,Vin=Vss ~ V
,Vin=V
Revision 1.0
i
-
SS
~ V
DD
DD
[5]