AK4753EN 参数 Datasheet PDF下载

CONFIDENTIAL

[AK4753]

Parameter

min

typ

max

Units

Power Supplies

All Circuit Power-up (PDN pin = “H”) (Note

7)

Differential Mode (SPC1-0 bits = “00”)

AVDD

-

5.8

8.7

mA

DVDD

-

4.2

6.3

mA

Single-ended Mode (SPC1-0 bits = “11”)

AVDD

-

9.0

13.5

mA

DVDD

-

4.6

6.9

mA

Power-down (PDN pin = “L”) (Note

7)

AVDD + DVDD

-

1

10

µA

Note 7. PLL Master Mode (MCKI=12MHz), PMAD=PMDIG=PMLO1=PMLO2=PMSAR=PMPLL bits = “1”.

Note 8. All digital input pins are fixed to DVDD or VSS2.

ANALOG CHARACTERISTICS (8-bit SAR ADC)

(Ta=25°C; AVDD=DVDD =3.3V; VSS1=VSS2=0V; unless otherwise specified)

Parameter

min

typ

max

Units

8-bit SAR ADC Characteristics

Resolution

-

8

-

Bits

No Missing Codes

7

8

-

Bits

Integral Nonlinearity Error

-

-

LSB

±1

Differential Nonlinearity Error

-

-

LSB

±1

Analog Input Voltage Range

0

-

AVDD

V

Offset Error

-

-

LSB

±1

Gain Error

-

-

LSB

±1

Accuracy (Note

9)

-

-

%

±1.2

Potentiometer Resistance (Figure

2)

VR

-

-

100

kΩ

Note 9. Accuracy is the difference between the output code when 1.1V is input to SAIN1 or SAIN2 pin and the “ideal”

code at 1.1V.

AVDD

Potentiometer

VR

SAIN1/2

pin

SAR

ADC

Figure 2. Potentiometer Resistance

MS1311-E-00

-8-

2011/07