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CAT504 Datasheet, PDF (3/12 Pages) Catalyst Semiconductor – 8-Bit Quad DACpot
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CAT504
DC ELECTRICAL CHARACTERISTICS (Cont.):
VDD = 2.7V to 5.5V, VREFH = +VDD, VREFL = 0V, unless otherwise specified
Symbol Parameter
Analog Output
FSO
Full-Scale Output Voltage
ZSO
Zero-Scale Output Voltage
IL
DAC Output Load Current
ROUT
DAC Output Impedance
PSSR
Power Supply Rejection
Temperature
TCO
VOUT Temperature Coefficient
TCREF
Temperature Coefficient of
VREF Resistance
Power Supply
IDD
Supply Current
IPP
Programming Current
VDD
Operating Voltage Range
VPP
Programing Voltage Range
Conditions
Min
VR = VREFH–VREFL
VR = VREFH–VREFL
VDD = +5V
VDD = +3V
ILOAD = 250 nA
0.99 VR
—
—
—
—
—
VREFH = +5V, VREFL = 0V
—
VDD = +5V, ILOAD = 250nA
VREFH to VREFL
—
Excludes VREF
—
VPP = +19V
—
2.7
18
Typ
0.995 VR
0.005 VR
—
—
—
—
—
700
—
200
—
19
Max
—
0.10 VR
1
20k
40k
1
200
—
50
500
5.5
20
Units
V
V
µA
Ω
Ω
LSB / V
µV/ °C
ppm / °C
µA
µA
V
V
AC ELECTRICAL CHARACTERISTICS:
VDD = 2.7V to 5.5V, VREFH = +VDD, VREFL = 0V, unless otherwise specified
Symbol
Digital
tCSMIN
tCSS
tCSH
tDIS
tDIH
tDO1
tDO0
tHZ
tLZ
tPROG
tPS
tCLKH
tCLKL
fC
Analog
tDS
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 Pulse Width
PROG Setup Time
Minimum CLK High Time
Minimum CLK Low Time
Clock Frequency
DAC Settling Time to 1/2 LSB
Pin Capacitance
CIN
Input Capacitance
COUT
Output Capacitance
Conditions
Min
150
100
0
CL = 100 pF
50
see note 1
50
—
—
—
—
3
150
500
300
DC
CLOAD = 10 pF, VDD = +5V
—
CLOAD = 10 pF, VDD = +3V
—
VIN = 0V, f = 1 MHz(2)
—
VOUT = 0V, f = 1 MHz(2)
—
NOTES: 1. All timing measurements are defined at the point of signal crossing VDD / 2.
2. These parameters are periodically sampled and are not 100% tested.
Typ
—
—
—
—
—
—
—
400
400
5
—
—
—
—
3
6
8
6
Max Units
—
ns
—
ns
—
ns
—
ns
—
ns
150
ns
150
ns
—
ns
—
ns
—
ms
—
ns
—
ns
—
ns
1
MHz
10
µs
10
µs
—
pF
—
pF
3
Doc. No. 25048-0A 2/98 M-1
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