wms7204 Winbond Electronics Corp America, wms7204 Datasheet - Page 21

• Manufacturer Part Number: wms7204
• Description: 256-tap Quad-channel Non-volatile Digital Potentiometer
• Manufacturer: Winbond Electronics Corp America

10. ELECTRICAL CHARACTERISTICS
All Parameters apply across specified operating ranges unless noted (V
Typical values: V
PARAMETER
Rheostat Mode
Nominal Resistance
Different Non Linearity
Integral Non Linearity
Rheostat Tempco
Wiper Resistance
Potentiometer Mode
Resolution
Different Non Linearity
Integral Non Linearity
Potentiometer Tempco
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 enabled)
Amp Output Current
Amp Output Resistance
Total Harmonic Distortion
Digital Inputs/Outputs
Input High Voltage
Input Low Voltage
Output Low Voltage
Input Leakage Current
1
1
DD
1
2
=5V and T=25°C
1
2
2
1
2
1
2
1
TABLE 12 – ELECTRICAL CHARACTERISTICS
1
SYMBOL
R
DNL
INL
'R
R
N
DNL
INL
'V
V
V
V
C
BW
BW
BW
T
I
Rout
THD
V
V
V
I
OUT
LI
S
FSE
ZSE
A
IH
IL
OL
W
A
,V
, C
w
AB
10K
50K
100K
/'T
B
/'T
B
,V
W
MIN.
0.7V
-20
V
-1
-1
-1
-1
-1
-1
8
0
3
SS
- 21 -
DD
TYP.
500
+20
300
200
0.3
0.5
1.5
50
80
30
30
80
1
MAX.
0.3V
0.08
+20
Publication Release Date: January 2003
100
120
V
100
0.4
+1
+1
+1
+1
10
+1
0
1
DD
DD
DD
: 2.7V~5.5V; Temp: –40°C~85°C)
UNITS
ppm/q
ppm/q
MHz
LSB
LSB
LSB
LSB
LSB
LSB
KHz
KHz
Bits
mA
pF
pF
uS
uA
%
%
C
Ÿ
Ÿ
C
Ÿ
V
V
V
V
CONDITIONS
T=25ºC, V
V
I=V
V
I=V
Code = 80h
Code = Full Scale
Code = Zero Scale
V
Code = 80h
CL=30pf
V
V
V
V
f=1kHz, V
I
~ V
CS =V
OL
WMS7204
DD
DD
DD
DD
B
O
A
=V
=2.5V, V
=1/2 scale
=2mA
DD
DD
DD
=5V,
=2.7V,
=5V, V
=5.5V=V
SS
/R
/R
DD
Total
Total
Revision 1.0
,Vin=Vss
IN
W
B
DD
=V
=1V
A
open
,
=5V,
SS
RMS