ISL29021IROZ-T7 Intersil, ISL29021IROZ-T7 Datasheet - Page 2

• Manufacturer Part Number: ISL29021IROZ-T7
• Description: IC SENSOR LIGHT-DGTL I2C 8ODFN
• Manufacturer: Intersil

Specifications of ISL29021IROZ-T7

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pinout
Pin Descriptions
Block Diagram
PIN NUMBER PIN NAME
1
2
3
4
5
6
7
8
VDDD
VDDA
REXT
IRDR
GND
SDA
SCL
INT
Positive digital supply: 2.5V to 3.63V.
Positive analog supply: 2.5V to 3.63V, VDDA and VDDD should be externally shorted.
Ground.
External resistor pin setting the internal reference current and the conversion time. 499kΩ with 1% tolerance resistor
is recommended.
I
I
Interrupt pin; LO for interrupt/alarming. The INT pin is an open drain.
IR LED driver pin connecting to the anode of the external IR LED. The source current of the IR LED driver can be
programmed through I
Exposed pad connected to ground or electrically isolated.
2
2
C serial clock line
C serial data line
IR PHOTODIODE
2
ARRAY
PROCESS
IR DATA
REXT
4
EXPOSED PAD CAN BE CONNECTED TO GND OR
ELECTRICALLY ISOLATED
FOSC
IREF
2
C.
VDDA
VDDD
VDDA
REXT
2
GND
INTEGRATION
1
2
3
4
The I
ISL29021
ISL29021
(8 LD ODFN
GND
TOP VIEW)
ADC
ISL29021
3
2
C bus lines can be pulled from 1.7V to above V
DESCRIPTION
8
7
6
5
IRDR
INT
SDA
SCL
COMMAND
INTERRUPT
REGISTER
REGISTER
IR DRIVER
DATA
I
2
C
VDDD
1
5
7
6
8
SDA
IRDR
DD
SCL
INT
, 3.63V max.
March 3, 2009
FN6732.0