Rainbow Electronics MAX11645 - Manual (Page 8)

MAX11644/MAX11645
Low-Power, 1-/2-Channel, I
2
C, 12-Bit ADCs
in Ultra-Tiny 1.9mm x 2.2mm Package
8 _______________________________________________________________________________________
Pin Description
PIN
μMAX WLP
NAME FUNCTION
1,2 A1, A2 AIN0, AIN1 Analog Inputs
3 — N.C. No connection. Not internally connected.
4 A4 REF Reference Input/Output. Selected in the setup register (see Tables 1 and 6).
5 C4 SCL Clock Input
6 C3 SDA Data Input/Output
7
A3, B1–B4,
C2
GND Ground
8 C1 V DD Positive Supply. Bypass to GND with a 0.1μF capacitor.
SDA
SCL REF
1
+
2
8
7
V DD
GND AIN1
N.C.
AIN0
µMAX
TOP VIEW
3
4
6
5
MAX11644
MAX11645
TOP VIEW (BUMPS ON BOTTOM)
MAX11645
GND
AIN1 GND REF
GND GND
SDA
GND
GND SCL
1 2 3 4
A
B
C
WLP
V
DD
AIN0
Pin Configuration