MAX11645 Maxim Integrated Products, MAX11645 Datasheet - Page 8

• Manufacturer Part Number: MAX11645
• Description: 2-Wire Serial 12-Bit ADCs
• Manufacturer: Maxim Integrated Products

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
1-/2-Channel, 2-Wire Serial, 12-Bit ADCs
Figure 1. 2-Wire Serial-Interface Timing
8
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PIN
1, 2
A) F/S-MODE 2-WIRE SERIAL-INTERFACE TIMING
B) HS-MODE 2-WIRE SERIAL-INTERFACE TIMING
3
4
5
6
7
8
SDA
SDA
SCL
SCL
S
S
t
t
HD,STA
HD,STA
t
t
LOW
LOW
t
RCL
t
R
t
t
AIN0, AIN1
SU,DAT
SU,DAT
t
t
NAME
HIGH
HIGH
GND
N.C.
SDA
REF
SCL
V
DD
t
t
FCL
F
TOP VIEW
t
HD,DAT
t
HD,DAT
AIN0
AIN1
N.C.
REF
Analog Inputs
No Connection. Not internally connected.
Reference Input/Output. Selected in the setup register (see Tables 1 and 6).
Clock Input
Data Input/Output
Ground
Positive Supply. Bypass to GND with a 0.1µF capacitor.
1
2
4
3
HS MODE
+
t
t
SU,STA
SU,STA
MAX11644
MAX11645
µMAX
Sr
Sr
7
6
5
8
t
HD,STA
t
HD,STA
V
GND
SDA
SCL
DD
A
A
FUNCTION
t
RCL1
t
t
SU,STO
SU,STO
t
RDA
Pin Configuration
t
R
Pin Description
P
P
t
t
BUF
BUF
F/S MODE
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t
F
S
S
t
t
FDA