ADJD-J823 데이터 시트보기 (PDF) - Avago Technologies

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ADJD-J823

Color Management Controller with Integrated RGB Photosensor

Avago Technologies 

Optical Specifications

Parameter

Symbol

Conditions

Minimum Maximum

Units

Sensor operating detection range

EV

(Note 3 &10) 800

10000

Lux

Serial Interface Timing Information

Parameter

SCL clock frequency

(Repeated) START condition hold time

Data hold time

SCL clock low period

SCL clock high period

Repeated START condition setup time

Data setup time

STOP condition setup time

Bus free time between START and STOP conditions

tHD:STA

tHIGH

tSU:DAT

SDA

Symbol

fscl

tHD:STA

tHD:DAT

tLOW

tHIGH

tSU:STA

tSU:DAT

tSU:STO

tBUF

Minimum Maximum Units

0

100

kHz

4

-

ms

0 (Note 11) 3.45

ms

4.7

-

ms

4.0

-

ms

4.7

-

ms

250

-

ns

4.0

-

ms

4.7

-

ms

tSU:STA

tBUF

SCL

S

Sr

P

S

tLOW

tHD:DAT

Figure 1. Serial Interface Bus Timing Waveforms

tHD:STA

tSU:STO

Notes:

1. The “Absolute Maximum Ratings” are those values beyond which damage to the device may occur. The device should not be operated at these

limits. The parametric values defined in the “Electrical Specifications” table are not guaranteed at the absolute maximum ratings. The “Recom-

mended Operating Conditions” table will define the conditions for actual device operation.

2. Unless otherwise specified, all voltages are referenced to ground.

3. Specified at room temperature (25°C) and VDDD = VDDA = 2.6V.

4. Applies to all digital input pins.

5. Applies to all digital output pins and CLKIO pin. SDASLV and SDAPROM pins go tri-state when output logic high. Minimum VOH depends on

the pull-up resistor value.

6. Applies to all digital output and digital input-output pins.

7. Dynamic testing is performed with the IC operating in a mode representative of typical operation.

8. Refers to total device current consumption.

9. Output and bidirectional pins are not loaded.

10. Using R:G:B LED light source brightness ratio of 7:13:1 to achieve white D90 color point

Red LED (x,y) = (0.700, 0.300)

Green LED (x,y) = (0.171, 0.715)

Blue LED (x,y) = (0.158, 0.019)

11. A hold time of at least 300ns must be provided internally by a device for the SDA signal ( with reference to the minimum VIH of SCL) to bridge

the undefined region of the falling edge of SCL.



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