WM5628CDW datasheet(4/15 Pages) WOLFSON

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Wolfson Microelectronics

WM5628L, WM5628

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Power Supply

Supply current

IDD

VDD = 3.3v

Static Accuracy

Resolution

Bits

Monotonicity

Bits

Differential Nonlinearity DNL

VREF = 1.25 V, Range x 2. (note 3)

± 0.9

LSB

Integral Nonlinearity

INL

VREF = 1.25 V, Range x 2. (note 4)

± 1.0

LSB

Zero-code error

ZCE

VREF = 1.25 V, Range x 2. (note 5)

Zero-code error

Input code = 00 Hex (note 6)

µV/OC

temperature coefficient

Full scale error

FSE

VREF = 1.25 V, Range x 2. (note 8)

± 60

Full scale error

Input code = FF Hex (note 9)

± 25

µV/OC

temperature coefficient

Output sink current

IO(SINK)

Each DAC output

µA

Output source current

IO(SOURCE)

1mA

Power supply

IREF

VDD = 3.3V, VREF = 1.5V

0.5

mV/V

sensitivity

PSRR

Electrical Characteristics: WM5628L

VDD = 3 .6V, GND = 0 V, VREF = 2 V x 1 gain, RL = 10 k

Ω, CL = 100 pF, TA = full range, unless otherwise stated.

Electrical Characteristics: WM5628 & WM5628L

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Digital Inputs

High level input current

IIH

VI = VDD

±10

µA

Low level input current

IIL

VI = 0V

±10

µA

Input capacitance

Timing Parameters

Data input setup time

tSD

Data input hold time

tHD

CLK

to Load

tHL

Load

to CLK

tSL

Load duration

tWL

250

LDAC duration

tWD

250

Load

to LDAC

tLD

0ns

Reference Inputs

Reference input

VREF

A, B, C, D, inputs

GND

VDD-1.5

voltage

Reference input

A, B, C, D, inputs

capacitance

Reference

A, B, C, D inputs (note 11)

-60

feedthrough

Channel to channel

A, B, C, D inputs (note 12)

-60

isolation

VDD = 2.7 to 5.5V, GND = 0 V, VREF = 2 V x 1 gain, RL = 10 k

Ω, CL = 100 pF, TA = full range, unless otherwise stated.

WM5628CDW 数据表(PDF) 4 Page - Wolfson Microelectronics plc

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