WM2632

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 1.1 April 2001

4

ELECTRICAL CHARACTERISTICS

Test Characteristics:

recommended operating free-air temperature range (unless noted otherwise).

PARAMETER

SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

Static DAC Specifications

Resolution

8bits

Integral non-linearity

INL

Code 6 to 255 (see Note 1)

±0.3

±1

LSB

Differential non-linearity

DNL

Code 6 to 255 (see Note 2)

±0.1

±1

LSB

Zero code error

ZCE

See Note 3

±30

mV

Gain error

GE

See Note 4

±0.6

% FSR

DC power supply rejection ratio

PSRR

See Note 5

-50

dB

Zero code error temperature

coefficient

See Note 6

30

µV/°C

Gain error temperature coefficient

See Note 6

10

ppm/

°C

DAC Output Specifications

Output voltage range

10k

Ω Load

0

AVDD-0.4

V

Output load regulation

2k

Ω to 10kΩ load

See Note 7

±0.3

% Full

Scale

Power Supplies

Active supply current

IDD

AVDD = DVDD = 5V,

Slow

Fast

See Note 8

6

16

8

21

mA

mA

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

4

1

10

3

V/

µs

V/

µs

Settling time

DAC code 10%-90%

Load = 10k

Ω, 100pF

Fast

Slow

See Note 10

1

3

3

7

µs

µs

Glitch energy

DAC code 127 to 128

4

nV-s

Channel Crosstalk

10kHz sine wave, 4V pk-pk

-90

dB