AK8452 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK8452

2 channel-input 16 bit 10MSPS ADC

Asahi Kasei Microdevices 

ASAHI KASEI

AKM Confidential

[AK8452]

(Note 1) IREF resister(kΩ) = 60 ÷ [RED LED current(mA)] × 4.7(kΩ) . And [RED LED current] can be

set within the range of 20mA～60mA .

(AVDD=3.135~3.465V, LVDD= 4.5~5.7 V, Ta=0∼70°C, unless otherwise specified)

Item

Min. Typ. Max. Unit

Remarks

LED pin voltage

0.5

V

LED Vf

1.5

4.8

V When LVDD<5.3V case,

Vf(max.)=LVDD-0.5V

■ LEDD block, Switching characteristics

(AVDD=3.135~3.465V, LVDD= 4.5~5.7 V, Ta=0∼70°C, unless otherwise specified)

No.

Item

min. typ. max. Unit

Condition

1 LED current rise time

10 μsec

2 LED current fall time

10 μsec

3 Reset valid setup time

0.1

μsec LEDB_EN(0.7AVDD)

LEDB_EN(0.7AVDD):base position

To

LEDR_EN(0.3AVDD)

LEDG_EN(0.3AVDD)

4 Count up setup time

0.1

μsec LEDB_EN(0.3AVDD)

LEDB_EN(0.3AVDD):base position

To

LEDR_EN(0.7AVDD)

LEDG_EN(0.7AVDD)

5 Reset invalid setup time

0.1

μsec LEDB_EN(0.3AVDD)

LEDB_EN(0.3AVDD):base position

To

LEDR_EN(0.3AVDD)

LEDG_EN(0.3AVDD)

LEDR_EN

LEDG_EN

LEDB_EN

LEDR,G,B Current

0.7AV D D

0.3AV D D

90%

1

10%

２

LED*_EN through mode

MS0955-E-00

10

2008/03

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