TMD3721 datasheet(39/89 Pages) OSRAM

Il numero della parte	TMD3721

Spiegazioni elettronici	ALS/Color and Proximity Sensor Module for Behind OLED Applications

PDF	89 Pages

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Produttore elettronici	OSRAM [OSRAM GmbH]

Homepage	http://www.osram.com

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Page 38

Datasheet, Public

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[v3-00] 2023-May-26

TMD3721 − Register O ver view

AGAIN_3_2 Register (Address 0x96)

Figure 49:

AGAIN_3_2 Register

LDR0_CFG Register (Address 0x9A)

Figure 50:

LDR0_CFG Register

Addr: 0x96

AGAIN_3_2

Bit

Bit Name

Default

Access

Bit Description

7:4

AGAIN3

1100

This field sets the gain of ALS channel 3. See AGAIN1

for the detailed settings.

3:0

AGAIN2

1100

This field sets the gain of ALS channel 2. See AGAIN1

for the detailed settings.

Addr: 0x9A

LDR0_CFG

Bit

Bit Name

Default

Access

Bit Description

Reserved

Reserved. Must be set to default value.

6EN_LDR_0

Enables the LDR0.

5:4

ISINK_LSB

This field sets VCSEL drive current resolution

Value

VCSEL Drive Current Resolution

0.5mA

1.0mA

1.5mA

2.0mA

3:0

PLDRIVE0

0010

This field sets the drive current of the VCSEL driver 0.

The formula is shown below:

Drive Current 0=(PLDRIVE0+1) x ISINK_LSB.

The drive current should be configured within the range

of 7mA ~12mA.

The values are the nominal current. The actual current

through the VCSEL is factory trimmed to normalize the IR

intensity.

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