MAX11312 Datasheet, PDF (8/54 Pages) Maxim Integrated Products – PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

MAX11312
PIXI, 12-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
Interface Digital IO Electrical Specifications (continued)
(V_AVDD = 4.75V to 5.25V, V_DVDD = 3.3V, V_AVDDIO = +12.0V, V_AGND = V_DGND = 0V, V_AVSSIO = -2.0V, V_DACREF = 2.5V, V_ADCREF = 2.5V
(Internal), f_S = 400ksps, 10V analog input range set to range 1 (0 to +10V). T_A = -40°C to +105°C, unless otherwise noted. Typical
values are at T_A = +25°C.) (Note 2)
PARAMETER
Setup Time for Repeated
START Condition
Data Hold Time
Data Setup Time
SDA and SCL Receiving Rise
Time
SYMBOL
t_SU;STA
t_HD;DAT
t_SU;DAT
t_r
(Note 6)
CONDITIONS
MIN
0.6
0
100
12 x
(V_DVDD
/5.5V)
TYP
MAX
900
UNITS
µs
ns
ns
300
ns
SDA and SCL Receiving Fall
Time
t_f
(Note 6)
12 x
(V_DVDD
/5.5V)
300
ns
SDA Transmitting Fall Time
t_of
12 x
(V_DVDD
/5.5V)
250
ns
Setup Time for STOP Condition
Bus Capacitance Allowed
Pulse Width of Suppressed
Spike
tSU;STO
C_b
V_DVDD = 2.5V to 5.5V
tSP
0.6
µs
400
pF
50
ns
SDA
tf
SCL
S
tr
tLOW
tSU;DAT
tHD;STA
tHD;DAT
Figure 1. I²C Timing
tf
tHD;STA
tHIGH
tSU;STA
Sr
tSP
tr
tBUF
tSU;STO
P
S
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