Datasheet > AK5574EN

AK5574EN

更新时间： 2022-02-26 13:47:54

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AKM		/
页数	文件大小	规格书
68页	2036K
描述
4-Channel Differential 32-bit ÎÎ£ ADC

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AK5574EN 数据手册

[AK5574]

6. Absolute Maximum Ratings

Symbol

(VSS= 0 V; Note 3)

Parameter

Power

Min.

−0.3

Max.

6.0

4.0

2.5

±10

Unit

Analog (AVDD pin)

Digital Interface (TVDD pin)

AVDDam

TVDDam

Supplies:

Digital Core (VDD18 pin)(Note 4) VDD18am

Input Current (Any Pin Except Supplies)

Analog Input Voltage (AIN1-4P, AIN1-4N pins)

Digital Input Voltage

IIN

VINA

VIND

−0.3

AVDD+0.3

TVDD+0.3

Ambient Temperature (Power applied)

When the back tab is connected to VSS

When the back tab is open

Tstg

−40

−65

105

150

°C

Storage Temperature

Note 3. All voltages with respect to ground.

Note 4. The 1.8 V LDO is off (LDOE pin = “L”) and an external power is supplied to the VDD18 pin.

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

Normal operation is not guaranteed at these extremes.

7. Recommended Operation Conditions

(VSS=0V; Note 3)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Analog (AVDD pin)

AVDD

4.75

5.0

5.25

(LDOE pin= “L”) (Note 5)

Digital Interface (TVDD pin) (Note 6)

Digital Core (VDD18 pin)

Power

Supplies

TVDD

VDD18

1.7

1.8

1.98

(LDOE pin= “H”) (Note 7)

Digital Interface (TVDD pin)

TVDD

3.0

3.3

5.0

3.6

Voltage

Reference

(Note 11)

“H” voltage Reference (Note 8)

“L” voltage reference

VREFH1-2

4.75

5.25

VREFL1-2

AVSS

Note 3. All voltages with respect to ground.

Note 5. TVDD pin must be powered up before VDD18 pin when the LDOE pin = “L”. The power up

sequence between AVDD pin and TVDD pin or between AVDD pin and VDD18 pin is not critical.

Note 6. TVDD must not exceed VDD18±0.1 V when LDOE pin= “L”.

Note 7. When LDOE pin = “H”, the internal LDO supplies 1.8 V (typ). The power up sequences between

AVDD pin and TVDD pin is not critical.

Note 8. VREFH1-2 must not exceed AVDD+0.1 V.

Note 9. VREFL1-2 must be connected to AVSS.

Analog Input Voltage is proportional to {(VREFH) – (VREFL)}.

Vin (typ, @ 0dB) = ±2.8 × {(VREFH) – (VREFL)} / 5 [V].

* AKM assumes no responsibility for the usage beyond the conditions in this data sheet.

015016764-E-00

2015/12

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