LTC2309_15 Datasheet, PDF (9/26 Pages) Linear Technology – 8-Channel, 12-Bit SAR ADC with IC Interface

FUNCTIONAL Block Diagram
V_DD
CH0
LTC2309
AD1
CH1
AD0
CH2
CH3
ANALOG
INPUT
+
12-BIT
CH4
MUX
–
SAR ADC
CH5
I²C
SCL
PORT
SDA
CH6
V_REF
CH7
INTERNAL ^8k
COM
2.5V REF
GAIN = 1.6384x
REFCOMP
GND
2308 BD
LTC2309
TIMING DIAGRAM
Definition of Timing for Fast/Standard Mode Devices on the I²C Bus
SDA
t_f
t_LOW
t_r
t_SU(DAT)
t_f
SCL
t_HD(SDA)
S
t_HD(DAT)
t_HIGH
S = START, Sr = REPEATED START, P = STOP
t_SU(STA)
Sr
t_HD(SDA)
t_BUF
t_SP
t_r
t_SU(STO)
P
S
2309 TD
2309fd