Instruction Manual

MAX5230/MAX5231
3V/5V, 12-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
6 _______________________________________________________________________________________
TIMING CHARACTERISTICS—MAX5230
(V
DD
= +2.7V to +3.6V, AGND = DGND = 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
(Figures 1 and 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCLK Clock Period t
CP
74 ns
SCLK Pulse Width High t
CH
30 ns
SCLK Pulse Width Low t
CL
30 ns
CS Fall to SCLK Rise Setup Time t
CSS
30 ns
SCLK Rise to CS Rise Hold Time t
CSH
0ns
DIN Setup Time t
DS
30 ns
DIN Hold Time t
DH
0ns
SCLK Rise to DOUT Valid
Propagation Delay Time
t
DO1
C
LOAD
= 200pF 200 ns
SCLK Fall to DOUT Valid
Propagation Delay Time
t
DO2
C
LOAD
= 200pF 200 ns
SCLK Rise to CS Fall Delay t
CS0
10 ns
CS Rise to SCLK Rise Hold Time t
CS1
30 ns
CS Pulse Width High t
CSW
75 ns
LDAC Pulse Width Low t
LDL
30 ns
CS Rise to LDAC Rise Hold Time t
CSLD
(Note 8) 75 ns
Note 8: This timing requirement applies only to CS rising edges, which execute commands modifying the DAC input register
contents.
INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE (MAX5230)
MAX5230/MAX5231 toc01
DIGITAL INPUT CODE
INL (LSB)
40003500300025002000150010005000
-0.10
-0.05
0
0.05
0.10
0.15
-0.15
INTEGRAL NONLINEARITY
vs. DIGITAL INPUT CODE (MAX5231)
MAX5230/MAX5231 toc02
DIGITAL INPUT CODE
INL (LSB)
40003500300025002000150010005000
-0.10
-0.05
0
0.05
0.10
0.15
-0.15
DIFFERENTIAL NONLINEARITY
vs. DIGITAL INPUT CODE (MAX5230)
MAX5230/MAX5231 toc03
DIGITAL INPUT CODE
DNL (LSB)
40003500300025002000150010005000
-0.283
-0.037
0.086
0.208
-0.160
Typical Operating Characteristics
(V
DD
= +3V (MAX5230), V
DD
= +5V (MAX5231), R
L
= 5kΩ, C
L
= 100pF, OS_ = AGND, both DACs enabled with full-scale output code,
T
A
= +25°C, unless otherwise noted.)