Rainbow Electronics MAX5231 - Manual (Page 6)

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 0 ns
DIN Setup Time t DS 30 ns
DIN Hold Time t DH 0 ns
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)
4000 3500 3000 2500 2000 1500 1000 500 0
-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)
4000 3500 3000 2500 2000 1500 1000 500 0
-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)
4000 3500 3000 2500 2000 1500 1000 500 0
-0.283
-0.037
0.086
0.208
-0.160
Typical Operating Characteristics
(V DD = +3V (MAX5230), V DD = +5V (MAX5231), R L = 5k Ω, C
L = 100pF, OS_ = AGND, both DACs enabled with full-scale output code,
T A = +25°C, unless otherwise noted.)