CAT512 Catalyst Semiconductor, CAT512 Datasheet - Page 3

• Manufacturer Part Number: CAT512
• Description: 8-Bit Dual Digital POT with Independent Reference Inputs
• Manufacturer: Catalyst Semiconductor

DC ELECTRICAL CHARACTERISTICS (Cont.):
V
Analog Output
Temperature
Power Supply
AC ELECTRICAL CHARACTERISTICS:
V
Digital
Analog
Pin Capacitance
Advanced Information
Notes: 1. All timing measurements are defined at the point of signal crossing V
Symbol
FSO
ZSO
I
R
PSSR
TC
TC
I
I
V
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
t
C
C
DD
DD
L
DD1
DD2
CSMIN
CSS
CSH
DIS
DIH
DO1
DO0
HZ
LZ
BUSY
PS
PROG
CLK
CLK
C
DS
DD
OUT
IN
OUT
O
REF
= +2.7V to +5.5V, V
= +2.7V to +5.5V, V
H
L
2. These parameters are periodically sampled and are not 100% tested.
Parameter
Full-Scale Output Voltage
Zero-Scale Output Voltage
DAC Output Load Current
DAC Output Impedance
Power Supply Rejection
V
Temperature Coefficient of
V
Supply Current (Read)
Supply Current (Write)
Operating Voltage Range
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
DAC Settling Time to 1 LSB
Input Capacitance
Output Capacitance
OUT
REF
Resistance
Temperature Coefficient
REF
REF
H = V
H = V
DD
DD
, V
, V
REF
REF
L = 0V
L = 0V
Conditions
V
V
V
V
I
V
V
V
Normal Operating
V
V
Conditions
C
C
V
V
LOAD
R
R
DD
DD
DD
REF
REF
DD
DD
IN
OUT
LOAD
LOAD
= V
= V
, unless otherwise specified
, unless otherwise specified
= 0V, f = 1 MHz
= V
= V
= +5V, I
= 5V
= 3V
H= +5V, V
H to V
= 0V, f = 1 MHz
= 1 A
REF
REF
= 10 pF, V
= 10 pF, V
C
see note 1
REF
REF
L
H – V
H – V
= 100 pF,
REF
H = +5V
H = +3V
3
LOAD
L
REF
REF
REF
DD
DD
= 250nA
L = 0V
L
L
(2)
= +5V
= +3V
DD
2)
/ 2.
0.99 V
Min
Min
150
100
150
700
500
300
2.7
DC
50
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
R
0.995 V
0.005 V
Typ
Typ
700
400
400
1.2
40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
.6
4
3
6
8
6
R
R
0.01 V
100K
150K
Max
Max
200
150
150
2.0
1.2
5.5
50
10
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
5
1
R
ppm / C
LSB / V
CAT512
Units
Units
MHz
V/ C
mA
mA
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
V
V
V
A
A
s
s
8/00