AK7780 查看數據表（PDF） - Asahi Kasei Microdevices

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AK7780

24bit 5ch ADC & SRC + Audio DSP

Asahi Kasei Microdevices 

[AK7780]

ABSOLUTE MAXIMUM RATINGS

(AVSS = BVSS = DVSS = 0V: All indicated voltages are with respect to ground.)

Item

Symbol

min

max

Unit

Power supply voltage

Analog(AVDD)

VA

-0.3

4.3

V

Digital(DVDD)

Digital(DVDD18)

VD

-0.3

VD18

-0.3

4.3

V

2.5

V

|AVSS(BVSS) – DVSS|

(Note 4) ΔGND

0.3

V

Input current (except for power supply pin )

IIN

-

±10

mA

Analog input voltage

AINL+, AINL–, AINR+, AINR–,

AINL2-8, AINR2-8, AINM

VINA

-0.3

VA+0.3

V

VREFH,VREFL

Digital input voltage

VIND

-0.3

VD+0.3

V

Operating ambient temperature

Ta

-40

85

°C

Storage temperature

Tstg

-65

150

°C

Note 4. AVSS (BVSS) should be at the same level as DVSS.

WARNING: Operation at or beyond these limits may result in permanent damage to the device.

Normal operation is not guaranteed at these critical conditions.

RECOMMENDED OPERATING CONDITIONS

(AVSS = BVSS = DVSS = 0V: All indicated voltages are with respect to ground.)

Items

Symbol min

typ

max Unit

Power supply voltage

AVDD

VA

3.0

3.3

3.6

V

DVDD

VD

3.0

3.3

3.6

V

DVDD18

VD18 1.7

1.8

2.0

V

Reference voltage (VREF)

VREFH (Note 5)

VRH

VA

V

VREFL (Note 6)

VRL

0.0

V

Note 5. VREFH normally connects to AVDD.

Note 6. VREFL normally connects to AVSS

Note: The analog input voltage and output voltage are proportional to the VREFH-VREFL voltages.

* AKEMD assumes no responsibility for the usage beyond the conditions in this datasheet.

MS0581-E-00-PB

- 11 -

2007/09

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