ISL267452 Datasheet, PDF (2/16 Pages) Intersil Corporation – 12-Bit, 555kSPS SAR ADC

ISL267452
Typical Connection Diagram
VREF
0.1µF
+3V/5V
0.1µF ₊ 10µF SUPPLY
VREFP-P
VREFP-P
Pin Configuration
VREF
VIN+
VIN–
GND
VDD
SCLK
SDATA
CS
SERIAL
INTERFACE
µP/µC
ISL267452
(8 LD SOT-23)
TOP VIEW
VREF ¹
VIN+ 2
VIN– 3
GND 4
8 VDD
7 SCLK
6 SDATA
5 CS
Pin Descriptions
ISL267452
PIN NAME PIN NUMBER
DESCRIPTION
VDD
8
Supply voltage, +2.7V to 5.25V.
SCLK
7
Serial clock input. Controls digital I/O timing and clocks the conversion.
SDATA
6
Digital conversion output.
CS
5
Chip select input. Controls the start of a conversion.
GND
4
Ground
VIN–
3
Negative analog input.
VIN+
2
Positive analog input.
VREF
1
Reference voltage.
2
FN8255.0
July 26, 2012