DIGITAL ALS

and PROXIMITY MODULE

TAOS147E − DECEMBER 2012

3

The LUMENOLOGY Company

Copyright 2012, TAOS Inc.

www.taosinc.com

Terminal Functions

TERMINAL

TYPE

DESCRIPTION

NAME

NO.

TYPE

DESCRIPTION

GND

3

Power supply ground. All voltages are referenced to GND.

INT

7

O

Interrupt — open drain (active low).

LDR

6

O

LED driver input for proximity IR LED, constant current source LED driver.

LEDA

4

LED anode.

LEDK

5

LED cathode. Connect to LDR pin when using internal LED driver circuit.

SCL

2

I

SDA

8

I/O

1

Supply voltage.

Available Options

DEVICE

ADDRESS

PACKAGE − LEADS

INTERFACE DESCRIPTION

ORDERING NUMBER

TMD27721

0x39

Module−8

TMD27721

TMD27723

0x39

Module−8

TMD27723

0x29

Module−8

TMD27725

0x29

Module−8

TMD27727

3.8 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

V

8

.

3

o

t

V

5

.

0

−

Digital I/O Voltage (except LDR)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.8 V

Output terminal current (except LDR)

−1 mA to 20 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

4

− °C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

V

0

0

0

2

le

d

o

m

y

d

o

b

n

a

m

u

h

,

e

c

n

a

r

el

o

t

D

S

E

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. All voltages are with respect to GND.

Recommended Operating Conditions

MIN NOM MAX UNIT

3

3.6

V

2.5

4.8

V

−3

3

%

−30

85

°

C

NOTE 2: While the device is operational across the temperature range, functionality will vary with temperature. Specifications are stated only

at 25°C unless otherwise noted.

2.2

2. Maximum 4.8V DC over 7 years lifetime.

Maximum 5.0V spikes with up to 250s cumulative duration over 7 years lifetime.

Maximum 5.5V spikes with up to 10s (=1000* 10ms) cumulative duration over 7 years lifetime.

3. Maximum voltage with LDR = off.