WM2633 Ver la hoja de datos (PDF) - Wolfson Microelectronics plc

Número de pieza

componentes Descripción

Fabricante

WM2633

Byte-wide Parallel Input, 12-bit Voltage Output DAC with Internal Reference

Wolfson Microelectronics plc 

WM2633

Production Data

ELECTRICAL CHARACTERISTICS

Test Characteristics:

RL = 10kΩ, CL = 100pF AVDD = DVDD = 5V ± 10%, VREF = 2.048V and AVDD = DVDD = 3V ± 10%, VREF = 1.024V over

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

PARAMETER

Static DAC Specifications

TEST

SYMBOL

MIN

CONDITIONS

Resolution

12

Integral non-linearity

INL

See Note 1

Differential non-linearity

DNL

See Note 2

Zero code error

ZCE

See Note 3

Gain error

GE

See Note 4

D.c power supply rejection ratio

d.c. PSRR

See Note 5

Zero code error temperature

coefficient

Gain error temperature coefficient

See Note 6

See Note 6

DAC Output Specifications

Output voltage range

0

Output load regulation

Power Supplies

Active supply current

IDD

Power down supply current

Dynamic DAC Specifications

Slew rate

Settling time

WOLFSON MICROELECTRONICS LTD

2kΩ to 10kΩ load

See Note 7

No load, VIH=DVDD, VIL=0V

AVDD = DVDD = 5V, VREF =

2.048V, Internal

Slow

Fast

AVDD = DVDD = 5V

VREF = 2.048V, External

Slow

Fast

AVDD = DVDD = 3V, VREF =

1.024V, Internal

Slow

Fast

AVDD = DVDD = 3V,

VREF = 1.024V, External

Slow

Fast

See Note 8

No load, all inputs 0V

or DVDD

See Note 9

DAC code 32-4095,

10%-90%

Slow

1.2

Fast

6

See Note 10

DAC code 32-4095

Slow

Fast

See Note 11

TYP MAX UNIT

±1.2

±0.3

0.5

20

20

±3

±0.5

12

±0.3

bits

LSB

LSB

mV

% FSR

mV/V

ppm/°C

ppm/°C

AVDD-

V

0.4

0.1

0.3

%

1.3

1.6

mA

2.3

2.8

mA

0.9

1.2

mA

1.9

2.4

mA

1.2

1.5

mA

2.1

2.6

mA

0.9

1.1

mA

1.8

2.3

mA

0.01

1

µA

1.7

V/µs

10

V/µs

3.5

µs

1

µs

PD Rev 1.0 July 1999

4

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