AK8858 查看數據表（PDF） - Asahi Kasei Microdevices

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AK8858

PS/SD Multi Format Video Decoder

Asahi Kasei Microdevices 

[AK8858]

[4.3] DC characteristics

(Ta: −40°C∼85°C / DVDD=AVDD=1.7V∼2.0V / PVDD1=DVDD∼3.6V / PVDD2=DVDD∼3.6V)

Parameter

Symbol

Min

Typ

Max

Units

Condition

Digital P2 input high voltage(*1)

VPIH

0.8PVDD2

0.7PVDD2

V

PVDD2<2.7V

V

PVDD2≥2.7V

Digital P2 input low voltage(*1)

VPIL

0.2PVDD2 V

0.3PVDD2 V

PVDD2<2.7V

PVDD2≥2.7V

XTI input high voltage

VXIH 0.8AVDD

XTI input low voltage

Digital input leak current(*1)

Digital P1 output high voltage(*2)

Digital P1 output low voltage(*2)

Digital P1 output Hi-z leak current (*2)

VXIL

IL

VOH1

VOL1

HIL

0.7PVDD1

0.2AVDD

±10

uA

V IOH1 = −600uA

0.3PVDD1 V

IOL1 = 1mA

±10

uA

NSIG output high voltage

VOH2 0.7PVDD2

V IOH2 = −600uA

NSIG output low voltage

VOL2

0.3PVDD2 V

I2C(SDA)L output

VOLC

0.4

V

0.2 PVDD2

(*1) Collective term for SDA, SCL, SELA, OE, PDN, RSTN, TEST0 and TEST1 pins.

(*2) Collective term for DTCLK, DATA [23:0], HD, VD_FLD and DVAL_FLD pins.

IOL2 = 1mA

IOLC = 3mA

PVDD2≥2.0V

PVDD2<2.0V

[4.4] Analog characteristics

[4.4.1] Input Range

Parameter

Input range

Symbol

VIMX

Min

Typ

Max

0

0.60

(AVDD=1.8V, Ta=25˚C)

Units

Vpp

Condition

[4.4.2] AAF (Anti-Aliasing Filter)

Parameter

Symbol Min Typ Max Units

Pass band ripple

Gp

−1

+1

dB

Stop band blocking

Gs

20 30

dB

Condition

Progressive signal: ∼12MHz

Interlace signal: ∼6MHz

Progressive signal: 54MHz

Interlace signal: 27MHz

[4.4.3] Analog PGA

Parameter

Resolution

Minimum gain

Maximum gain

Gain step

Symbol

RES

GMN

GMX

GST

Min

Typ

Max

2

-3

6

2.75

3

3.25

Units

bit

dB

dB

dB

MS1230-E-00

- 12 -

2010/9

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