wms7140 Winbond Electronics Corp America, wms7140 Datasheet - Page 12

• 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

Rheostat Mode
Nominal Resistance
Different Non Linearity
Integral Non Linearity
Tempo
Wiper Resistance
Wiper Current
Divider Mode
Resolution
Different Non Linearity
Integral Non Linearity
Temperature Coefficient
Full Scale Error
Zero Scale Error
Resistor Terminal
Voltage Range
Terminal Capacitance
Wiper Capacitance
Dynamic Characteristics
Bandwidth –3dB
Settling Time to 1 LSB
Analog Output (Buffer enables)
Amp Output Current
Amp Output Resistance
Total Harmonic Distortion
Digital Inputs/Outputs
Input High Voltage
Input Low Voltage
PARAMETERS
1
10. ELECTRICAL CHARACTERISTICS
[2]
[1]
[2]
[2]
[1]
[2]
[2]
[1]
TABLE 12 – ELECTRICAL CHARACTERISTICS (Packaged parts)
[1]
[1]
THD
SYMBOL
V
' R
' V
BW
C
BW
BW
A
Rout
DNL
DNL
V
V
,V
I
INL
INL
A
R
V
V
T
OUT
AB
I
R
N
w
FSE
ZSE
, C
W
B
IH
W
100K
S
IL
/ ' T
10K
50K
/ ' T
,V
B
W
0.7V
MIN.
V
-20
-1
-1
-1
-1
-1
-1
8
0
3
SS
DD
- 12 -
TYP.
r 0.2
r 0.2
300
300
200
+20
1.5
50
80
30
30
80
1
0.3V
MAX.
0.08
+20
V
100
+1
+1
+1
+1
10
1
0
1
DD
DD
ppm/ q C
ppm/ q C
UNITS
MHz
LSB
LSB
LSB
LSB
LSB
LSB
KHz
KHz
Bits
mA
mA
uS
pF
pF
%
%
Ÿ
Ÿ
Ÿ
V
V
V
T=25ºC, V
V
V
Code = 80h
Code = Full Scale
Code = Zero Scale
V
Code = 80h
V
I
V
V
L
WMS7140/1
DD
DD
DD
O
A
IN
= 100uA
=2.5V, V
=1/2 scale
=1V
=5V, I=V
=2.7V, I=V
=5V, V
CONDITIONDS
RMS
W
B
=VSS
DD
DD
open
=5V, f=1kHz,
DD
/R
/R
Total
Total