WM2633

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 1.0 July 1999

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

12

bits

Integral non-linearity

INL

See Note 1

LSB

Differential non-linearity

DNL

See Note 2

LSB

Zero code error

ZCE

See Note 3

12

mV

Gain error

GE

See Note 4

% FSR

D.c power supply rejection ratio

d.c. PSRR

See Note 5

0.5

mV/V

Zero code error temperature

coefficient

See Note 6

20

ppm/

°C

Gain error temperature coefficient

See Note 6

20

ppm/

°C

DAC Output Specifications

Output voltage range

0

AVDD-

0.4

V

Output load regulation

2k

Ω to 10kΩ load

See Note 7

0.1

0.3

%

Power Supplies

Active supply current

IDD

2.048V, Internal

Slow

Fast

AVDD = DVDD = 5V

Slow

Fast

1.024V, Internal

Slow

Fast

AVDD = DVDD = 3V,

Slow

Fast

See Note 8

1.3

2.3

0.9

1.9

1.2

2.1

0.9

1.8

1.6

2.8

1.2

2.4

1.5

2.6

1.1

2.3

mA

mA

mA

mA

mA

mA

mA

mA

Power down supply current

No load, all inputs 0V

or DVDD

See Note 9

0.01

1

µA

Dynamic DAC Specifications

Slew rate

DAC code 32-4095,

10%-90%

Slow

Fast

See Note 10

1.2

6

1.7

10

V/

µs

V/

µs

Settling time

DAC code 32-4095

Slow

Fast

See Note 11

3.5

1

µs

µs