MAX11661_1111 Datasheet, PDF (19/28 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit ADCs

VDD
OVDD
500ksps, Low-Power,
Serial 12-/10-/8-Bit ADCs
Functional Diagrams
VDD
CS
SCLK
CONTROL
LOGIC
MAX11662
MAX11664
MAX11666
CS
SCLK
CONTROL
LOGIC
MAX11661
MAX11663
MAX11665
SAR
CHSEL
AIN1
AIN2 ^MUX
REF
CDAC
OUTPUT
BUFFER
DOUT
SAR
OUTPUT
BUFFER
DOUT
AIN
CDAC
VREF = VDD
AGND
GND (EP)
GND
Typical Operating Circuit
+3V
ANALOG
INPUTS
+2.5V
VDD
AIN1
AIN2
AGND
REF
GND (EP)
MAX11662
MAX11664
MAX11666
OVDD
VOVDD
SCLK
DOUT
CS
CHSEL
SCK
CPU
MISO
SS
+3V
ANALOG
INPUT
VDD
MAX11661
GND
MAX11663
MAX11665
AIN
SCLK
DOUT
CS
SCK
MISO
CPU
SS
______________________________________________________________________________________   19