AS1181 datasheet(11/92 Pages) AMSOSRAM

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AS1181

Electrical characteristics

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DS001139 • v3-00 • 2026-Apr-01

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Electrical characteristics

All limits are guaranteed. The parameters with Min and Max values are guaranteed with

production tests or SQC (Statistical Quality Control) methods.

Table 4: Electrical characteristics of AS1181

Symbol

Parameter

Min

Typ

Max

Unit

Comment

Operating conditions

TA_OP

Ambient temperature operating

-20

°C

In this range all specified

parameters are met

Power supplies and GND

VLED

LED supply voltage

2.6

5.5

VP2

Supply voltage for LDO

2.0

2.1

5.5

If only one supply voltage

is available VLED can be

connected to VP2

VP18

Output voltage of LDO

1.71

1.8

1.89

Supply for analog and

digital circuits

IVP18

Output current of LDO

VP18 LDO can be used to

supply external circuits

VBUS

Supply voltage VBUS

1.08

1.2

1.98

Interface voltage. For 1.8V

connect to VP18.

ISHUTDOWN

Shutdown current when

EN = 0

µA

PSLEEP

Sleep power consumption

100

220

µW

PIDLE

Idle power consumption

1.4

Current sink specifications

Vcomp

Compliance / Headroom voltage

of current sinks

0.4

IMATCH(1)

Matching between current sinks

from -10°C to 85°C TA

-1.5

1.5

IACC(2)

Absolute current sink accuracy

full range

-2.5

2.5

Full current and temp

range

IRANGE

Current sink range

250µA LSB

IRES

Current sink resolution

bit

TON_MIN

Minimum LED on time

µs

Temperature monitors

TEMPOT

High temperature shutdown

140

°C

TEMPUT

Low temperature shutdown

-20

°C

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