AK2331 参数 Datasheet PDF下载

[AK2331]

Parameter

Symbol

Condition

VOUT[7:0] =

0x10↔0xEF

Until output reaches the

half LSB of the final

value.

RS = 2.2kΩ, RL = 22kΩ,

CL = 1000pF

*3)

135

20

Min.

Typ.

Max.

Unit

DAC output settling time

t

LDD1

300

μs

VIN pin input impedance

VOUT pin output

impedance

R

IN

R

OUT

kΩ

Ω

*1) Error between the I/O curve and the ideal line connecting the output voltage for the 02 setting and the

output voltage for the FF setting.

Unless otherwise specified, the following apply: AVDD = 2.6 to 3.3V, VSS = 0V, AVDD

≥

VIN, VREF =

0V to AVDD, Ta = -40°C to +85°C

DACREF shows an internal setting level of DAC reference voltage.

Parameter

Resolution

Differential nonlinearity

Symbol

RES

DNL

Condition

Min.

Typ.

8

+1

+1.5

Max.

Unit

bit

LSB

LSB

VIN = AVDD = 3V

-1

DACREF: VSS

Nonlinearity

|IAO| = 0μA

INL

-1.5

*2)

VOUT = 0x02 to 0xFF

|IAO|

≤

600μA

VIN = AVDD,

DACREF: VSS

VOUT[7:0] = 0x00

Buffer amplifier output

VAO4

voltage range

|IAO|≤ 600μA

VIN = AVDD,

AVDD-0.4

DACREF: VSS

VOUT[7:0] = 0xFF

AVDD = 3V,

DACREF: AVDD/2

VIN = 1.8Vp-p, 1kHz

Output distortion

DISTN VOUT[7:0]=0x0A to 0xFF

45

RL = 22kΩ, CL = 100pF

30kHz LPF used

*4)

0.4

V

V

55

dB

*2)

Error between the I/O curve and the ideal line connecting the output voltage for the 02 setting

and the output voltage for the FF setting.

MS0903-E-00

-9-

2008/03