WM5621LED datasheet(3/14 Pages) WOLFSON

3 / 14 page

Wolfson Microelectronics

WM5621L

Electrical Characteristics (continued)

VDD = 3 V to 3.6V, GND = 0 V, VREF = 1.25 V, RL = 10 k

Ω, CL = 100 pF, x1 gain output range, TA = full range

unless otherwise stated.

Notes:

Absolute Maximum Ratings are stress ratings only.

Permanent damage to the device may be caused by

continuously operating at or beyond these limits. De-

vice functional operating range limits are given under

Recommended Operating Conditions. Guaranteed

performance specifications are given under Electrical

Characteristics at the test conditions specified.

The device operates over the supply voltage range of

2.7V to 5.5V. Over this voltage range the device re-

sponds correctly to data input by changing the voltage

output but conversion accuracy is not specified over

this extended range.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Max. full-scale output voltage

Vomax

Vref=1.5V, open cct. output

VDD-100

,x2 gain

High level input current

IIH

VI = VDD

± 10

µA

Low level input current

IIL

VI = 0V

± 10

µA

Output sink current DACA

Io (sink)

at DAC code 0

µA

Output sink current DACB

Io (sink)

at DAC code 0

µA

Output Source Current

Io (source)

Each DAC output, at DAC

code 255

Input capacitance

Reference input capacitance

A, B, C, D inputs

Supply current

IDD

VDD = 3.6V

1.5

VDD = 5.0V

1.5

Supply current One low

IDAC

VDD = 3.6V (Note 4)

150

250

µA

power DAC Active

Supply Current ALL DACs

Iddsd

VDD = 3.6V (see note 4)

100

µA

Shutdown

Reference input current

IREF

A, B, C, D inputs

± 10

µA

Integral Nonlinearity

INL

VREF = 1.25V, Range x2.

± 1.0

LSB

(note 5,13)

Differential Nonlinearity

DNL

VREF = 1.25V, Range x2.

± 0.1

± 0.9

LSB

(note 6,13)

Zero scale error

ZCE

VREF = 1.25V,Range x2.

(note 7)

Zero scale error temperature

VREF = 1.25V,Input code = 00

µV/OC

coefficient

Hex (note 8)

Zero scale error supply

mV/V

rejection

Full scale error

FSE

Range x 2. (note 9)

± 60

Full scale error temperature

VREF = 1.25V,Range x2.

± 25

µV/OC

coefficient

(note 10)

Full scale error supply

mV/V

rejection

Feedback resistor network

168

Ω

resistance

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