AS1163 datasheet(17/91 Pages) AMSOSRAM

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AS1163

Electrical characteristics

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DS001075 • v2-00 • 2025-Nov-21

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Symbol

Parameter

Conditions

Min

Typ

Max

Unit

DUTY_com_can

Allowed input duty

cycle in CAN RTX

mode. Tested with

VDD=5V.

Time between

consecutive

telegrams from MCU

Dependent on

length of daisy

chain

8.3

µs

VIH_SE

High level input

voltage single ended

communication

2.4

VDD+0.3

VIL_SE

Low level input

voltage single ended

communication

-0.3

0.7

LVDS_VCM

LVDS common mode

voltage with active

communication

1.2

LVDS_VDIFF

LVDS differential

voltage

300

LVDS_VCM_IDLE

LVDS common mode

voltage with no active

communication

LVDS_RTERM

LVDS termination

resistance

Included in the

200

Ohm

LVDS_ITX

LVDS current

1.5

(1) Channel to channel relative accuracy is calculated with the following formulas:

ILED_C2C_Mis(ch0_x) = ((0.5*I(ch0_x) – average(0.5*I(ch0_RGB),I(ch1_RGB),I(ch2_RGB)) /

average(0.5*I(ch0_RGB),I(ch1_RGB),I(ch2_RGB)))*100

ILED_C2C_Mis(ch1_x) = ((I(ch1_x) – average(0.5*I(ch0_RGB),I(ch1_RGB),I(ch2_RGB)) /

average(0.5*I(ch0_RGB),I(ch1_RGB),I(ch2_RGB)))*100,

ILED_C2C_Mis(ch2_x) = ((I(ch2_x) – average(0.5*I(ch0_RGB),I(ch1_RGB),I(ch2_RGB)) /

average(0.5*I(ch0_RGB),I(ch1_RGB),I(ch2_RGB)))*100,

Where:

ILED_C2C_Mis(ch0_x) refers to a general driver x inside channel 0, for example: ch0_R refers to the R driver in channel

0. Similarly, for ILED_C2C_Mis(ch1_x), ILED_C2C_Mis(ch2_x).

I(ch0_x) refers to the high current level of a particular driver in channel 0. Similarly, for I(ch1_x) and I(ch2_x)

I(ch0_RGB) refers to the sum of the high current levels for the drivers belonging to channel 0. Similarly, for I(ch1_RGB)

and I(ch2_RGB).

(2) In-channel relative accuracy is calculated with the following formula:

ILED_Mis(chx_y) = ((I(chx_y) – average(I(chx_RGB))) / average(I(chx_RGB)))*100

Where:

ILED_Mis(chx_y) refers to a general driver y inside a general channel x, for example: ch0_R refers to the R driver in

channel 0.

I(chx_y) refers to the high current level of a general driver y in a general channel x.

I(chx_RGB) refers to the sum of the high current levels of all drivers belonging to a general channel x.

(3) LED drivers can be used as receiving path for I²C bridge, Sync pin, parallel address setting by external HW.

(4) Relative accuracy. For absolute accuracy, calibration in applications is necessary.

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