WM2608CDT datasheet(4/13 Pages) WOLFSON

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WM2608

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 1.0 April 2001

ELECTRICAL CHARACTERISTICS

Test Characteristics:

Over recommended operating conditions (unless noted otherwise).

PARAMETER

SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

Static DAC Specifications

Resolution

bits

Integral non-linearity

INL

Code 20 to 1023 (see Note 1)

±0.5

±2

LSB

Differential non-linearity

DNL

Code 20 to 1023 (see Note 2)

±0.1

±1

LSB

Zero code error

ZCE

See Note 3

±30

Gain error

See Note 4

±0.6

% FSR

DC power supply rejection ratio

PSRR

See Note 5

-60

Zero code error temperature

coefficient

See Note 6

µV/°C

Gain error temperature coefficient

See Note 6

ppm/

°C

DAC Output Specifications

Output voltage range

10k

Ω Load

AVDD-0.4

Output load regulation

Ω to 10kΩ load

See Note 7

±0.3

% Full

Scale

Power Supplies

Active supply current

IDD

No load, VIH=DVDD, VIL=0V

AVDD = DVDD = 5V,

VREF = 2.048V

Slow

Fast

See Note 8

Power down supply current

No load, all inputs 0V

or DVDD

0.1

µA

Dynamic DAC Specifications

Slew rate

DAC code 10%-90%

Load = 10k

Ω, 100pF

Fast

Slow

See Note 9

µs

Settling time

DAC code 10%-90%

Load = 10k

Ω, 100pF

Fast

Slow

See Note 10

µs

Glitch energy

Code 511 to code 512

nV-s

Channel Crosstalk

10kHz sine wave, 4V pk-pk

-90

Reference Input

Reference input resistance

RREF

100

Ω

Reference input capacitance

CREF

5pF

Reference feedthrough

VREF=2VPP at 1kHz

+ 2.048V DC, DAC code 0

-84

Reference input bandwidth

VREF= 0.4VPP + 2.048V DC,

DAC code 512

Slow

Fast

1.9

2.2

MHz

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