CH0	1  •	14	VDD
CH1	2	13	VREF
CH2	3	12	AGND
CH3	4	11	CLK
NC	5	10	DOUT
NC	6	9	DIN
DGND	7	8	CS /SHDN

Pin	Symbol	Description
1	CH0	Analog channel 0 input
2	CH1	Analog channel 1 input
3	CH2	Analog channel 2 input
4	CH3	Analog channel 3 input
5	NC	Not connected
6	NC	Not connected
7	DGND	Digital ground
8	CS /SHDN	Chip select / Shutdown
9	DIN	Serial data input
10	DOUT	Serial data output
11	CLK	SPI clock
12	AGND	Analog ground
13	VREF	Analog reference input voltage
14	VDD	+2.7 to 5.5 V power supply

Specifications
(typical values under recommended operating conditions, unless specified)

Parameter	Value	Unit
Max active current	400	µA
Max sampling rate	100 (5V supply) 50 (2.7V supply)	ksps
Resolution	12	bits
Conversion time	12	clock cycles