ISL26712_14 Datasheet, PDF (2/21 Pages) Intersil Corporation – 12-Bit, 10-Bit and 8-Bit, 1MSPS SAR ADCs

ISL26712, ISL26710, ISL26708
Typical Connection Diagram
VREF
+3V/5V
SUPPLY
+
0.1µF ⁺
10µF
REFP-P
REFP-P
VREF
AIN+
AIN–
GND
Pin Configurations
ISL26712/10/08
(8 LD TDFN)
TOP VIEW
VREF 1
AIN+ 2
AIN- 3
GND 4
8 V_DD
7 SCLK
6 SDATA
5 CS
ISL26712/10/08
(8 LD SOT-23)
TOP VIEW
V_DD 1
SCLK 2
SDATA 3
CS 4
8 VREF
7 AIN+
6 AIN-
5 GND
VDD
SCLK
SDATA
CS
µP/µC
SERIAL INTERFACE
Pin Description
ISL26712/10/08
PIN
NAME
PIN
NUMBER
(TDFN)
PIN
NUMBER
(SOT-23)
DESCRIPTION
VDD
8
1
Supply voltage, +2.7V to 5.25V.
SCLK
7
2
Serial clock input. Controls digital
I/O timing and clocks the
conversion.
SDATA
6
3
Digital conversion output.
CS
5
4
Chip select input. Generally controls
the start of a conversion though not
always the sampling signal.
GND
4
5
Ground
AIN–
3
6
Negative analog input.
AIN+
2
7
Positive analog input.
VREF
1
8
Reference voltage.
Pin-Compatible Family
PART NUMBER
ISL26712
ISL26710
ISL26708
RESOLUTION
(Bits)
12
10
8
2
FN7999.3
September 5, 2012