wms7140 Winbond Electronics Corp America, wms7140 Datasheet - Page 13

• Manufacturer Part Number: wms7140
• Description: Nonvolatile Digital Potentiometers With Up/down 3-wire Interface, 10kohm, 50kohm, 100kohm Resistance 16 Taps With Optional Output Buffer
• Manufacturer: Winbond Electronics Corp America

Output Low Voltage
Input Leakage Current
Output Leakage Current
Input Capacitance
Output Capacitance
Power Requirements
Operating Voltage
Operating Current
Operating Current
Standby Current
Power Supply Rejection
Ratio
PARAMETERS
Notes:
[1] Not subject to production test.
[2] LSB = (V
[3] WMS71x1 only.
[4] WMS71x0 only.
[1]
where i = [0, (T -1)] and T = # of taps of the device.
[1]
A
- V
SYMBOL
B
) / (T- 1); DNL = (V
PSRR
C
I
I
I
I
V
V
SA
SB
C
DDW
DDR
I
I
OUT
Lo
LI
DD
OL
IN
[3]
[4]
MIN.
2.7
-1
-1
i+1
- 13 -
- V
TYP.
0.5
0.5
0.1
25
25
1
i
) / LSB; INL = (V
MAX.
0.4
5.5
+1
+1
1
2
1
1
1
Publication Release Date: April 21, 2005
UNITS
LSB/V
mA
mA
mA
uA
uA
uA
pF
pF
V
V
i
- i*LSB) / LSB;
I
V
V
All ops except NVMEM
program
During
memory program
Buffer is active, NOP, no
load
Buffer is inactive, Power
Down, No load
V
CS =V
CS =V
OL
WMS7140/1
DD
DD
DD
=2mA
=5V, fc = 1Mhz
=5V, fc = 1Mhz
=5V r 10%, Code=80H
CONDITIONDS
DD
DD
,Vin=Vss ~ V
,Vin=V
Revision 1.1
Non-volatile
SS
~ V
DD
DD