wms7171 Winbond Electronics Corp America, wms7171 Datasheet - Page 12

• 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

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
Analog Output (Buffer enables)
Amp Output Current
Amp Output Resistance
Total Harmonic Distortion
Digital Inputs/Outputs
Input High Voltage
Input Low Voltage
Output Low Voltage
PARAMETERS
[1]
10. ELECTRICAL CHARACTERISTICS
[2]
[1]
[2]
[2]
[1]
[2]
[2]
[1]
TABLE 12 – ELECTRICAL CHARACTERISTICS (Packaged parts)
[1]
[1]
V
SYMBOL
'R
'W /'T
A
R-DNL
BW
C
BW
BW
R-INL
, V
Rout
DNL
THD
V
V
I
INL
V
A
R
V
V
AB
OUT
I
R
N
FSE
ZSE
, C
W
OL
B
IH
W
100K
IL
10K
50K
/'T
, V
B
W
0.7xV
MIN.
V
-20
-1
-1
-1
-1
-1
-1
8
0
3
SS
DD
- 12 -
TYP.
r0.3
r0.5
r0.2
r0.1
300
300
200
+20
1.5
50
80
30
30
1
0.3xV
MAX.
0.08
+20
V
0.4
+1
+1
+1
+1
10
1
0
1
DD
DD
ppm/qC
ppm/qC
UNITS
WMS7170 / 7171
MHz
LSB
LSB
LSB
LSB
LSB
LSB
KHz
KHz
Bits
mA
mA
pF
pF
%
%
Ÿ
Ÿ
V
Ÿ
V
V
V
T=25ºC, Wiper open
[6]
[6]
V
V
Wiper at center
Wiper at highest position
Wiper at lowest position
V
Wiper at center
V
I
A =2.5V, V
V
I
L
OL
DD
DD
DD
O
IN
= 100uA
=2mA
=1/2 scale
=1V
=5V, I=V
=2.7V, I=V
=5V, B =VSS
CONDITIONDS
RMS
DD
DD
DD
/R
=5V, f=1kHz,
/R
Total
Total
[7]
[5]
[7]