MAX11646 Datasheet, PDF (8/20 Pages) Maxim Integrated Products – 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 1-/2-Channel, 2-Wire Serial, 10-Bit ADCs

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
1-/2-Channel, 2-Wire Serial, 10-Bit ADCs
Pin Configuration
TOP VIEW
+
AIN0 1
AIN1 2
N.C. 3
MAX11646
MAX11647
REF 4
8 V_DD
7 GND
6 SDA
5 SCL
μMAX
Pin Description
PIN
NAME
FUNCTION
1, 2
AIN0, AIN1 Analog Inputs
3
N.C.
No Connection. Not internally connected.
4
REF
Reference Input/Output. Selected in the setup register (see Tables 1 and 6).
5
SCL
Clock Input
6
SDA
Data Input/Output
7
GND
Ground
8
V_DD
Positive Supply. Bypass to GND with a 0.1µF capacitor.
A. F/S-MODE 2-WIRE SERIAL-INTERFACE TIMING
SDA
tSU:DAT
tLOW
SCL
tHD:DAT
tSU:STA
tHD:STA
tR
tF t
tBUF
tSU:STO
tHD:STA
S
tHIGH
tR
tF
B. HS-MODE 2-WIRE SERIAL-INTERFACE TIMING
SDA
tSU:DAT
tLOW
SCL
tHD:DAT
Sr
A
P
S
tRDA
tFDA
tSU:STA
tHD:STA
tBUF
tSU:STO
tHD:STA
S
tHIGH
tRCL
tFCL
Sr
HS MODE
tRCL1
A
P
Figure 1. 2-Wire Serial-Interface Timing
8 _______________________________________________________________________________________
S
F/S MODE