cat522 Catalyst Semiconductor, cat522 Datasheet - Page 4

• Manufacturer Part Number: cat522
• Description: Configured Digitally Programmable Potentiometer Dpp? Programmable Voltage Applications
• Manufacturer: Catalyst Semiconductor

CAT522
POTENTIOMETER CHARACTERISTICS
V
AC ELECTRICAL CHARACTERISTICS
V
Notes:
(1) All timing measurements are defined at the point of signal crossing V
(2) These parameters are periodically sampled and are not 100% tested.
Doc. No. MD-2004 Rev. G
Symbol
Digital
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
Analog
t
DD
DD
Symbol
CSMIN
CSS
CSH
DIS
DIH
DO1
DO0
HZ
LZ
BUSY
PS
PROG
CLK
CLK
C
DS
TC
C
R
R
DNL
= +2.7V to +5.5V, V
INL
I
= +2.7V to +5.5V, V
OUT
H
H
L
POT
OUT
RPOT
/C
L
Parameter
Minimum CS Low Time
CS Setup Time
CS Hold Time
DI Setup Time
DI Hold Time
Output Delay to 1
Output Delay to 0
Output Delay to High-Z
Output Delay to Low-Z
Erase/Write Cycle Time
PROG Setup Time
Minimum Pulse Width
Minimum CLK High Time
Minimum CLK Low Time
Clock Frequency
DPP Settling Time to 1 LSB
Parameter
Potentiometer Resistance
R
Pot Resistance Tolerance
Voltage on V
Voltage on V
Resolution
Integral Linearity Error
Differential Linearity Error
Buffer Output Resistance
Buffer Output Current
TC of Pot Resistance
Potentiometer Capacitances
POT
to RPOT Match
REFH
REFH
REFH
REFL
= V
= V
pin
pin
DD
DD
, V
, V
REFL
REFL
= 0V, unless otherwise specified
= 0V, unless otherwise specified
Conditions
Conditions
C
C
C
L
LOAD
LOAD
= 100pF
= 10pF, V
= 10pF, V
4
(1)
DD
/ 2.
DD
DD
= +5V
= +3V
Min
2.7
—
Min
150
100
150
700
500
300
0
DC
50
50
—
—
—
—
—
—
—
0
±0.5
0.25
Typ
300
0.4
0.5
8/8
24
Characteristics subject to change without notice
Typ
400
400
—
—
—
—
—
—
—
—
—
—
—
—
4
3
6
V
DD
Max
±20
V
0.5
© Catalyst Semiconductor, Inc.
±1
10
1
3
DD
- 2.7
Max
150
150
10
10
—
—
—
—
—
—
—
—
—
—
—
5
1
ppm/ºC
Units
Units
MHz
LSB
LSB
mA
kΩ
ms
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
%
%
%
V
V
Ω