WM2625 Ver la hoja de datos (PDF) - Wolfson Microelectronics plc

Número de pieza

componentes Descripción

Fabricante

WM2625

Low Power Dual 8-bit Serial Input DAC

Wolfson Microelectronics plc 

WM2625

PIN CONFIGURATION

DIN 1

SCLK 2

NCS 3

OUTA 4

8 VDD

7 OUTB

6 REF

5 GND

Production Data

PIN DESCRIPTION

PIN NO

1

2

3

4

5

6

7

8

NAME

DIN

SCLK

NCS

OUTA

GND

REF

OUT

VDD

TYPE

Digital input

Digital input

Digital input

Digital input

Supply

Analogue input

Analogue output

Supply

DESCRIPTION

Serial data input

Serial clock input

Chip select. This pin is active low.

DAC A analogue voltage output

Ground

Voltage reference input

DAC B analogue voltage output

Positive power supply

ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at

or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical

Characteristics at the test conditions specified.

ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible

to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage

of this device.

CONDITION

MIN

MAX

Supply voltage, VDD to GND

7V

Digital input voltage

-0.3V

VDD + 0.3V

Reference input voltage

Operating temperature range, TA

Storage temperature

WM2625CD

WM2625ID

Soldering lead temperature, 1.6mm (1/16 inch) from package body for

10 seconds

-0.3V

0°C

-40°C

-65°C

VDD + 0.3V

70°C

85°C

150°C

260°C

RECOMMENDED OPERATING CONDITIONS

PARAMETER

Supply voltage

SYMBOL

TEST CONDITIONS

MIN

TYP

VDD

2.7

High-level digital input voltage

Low-level digital input voltage

Reference voltage to REF pin

Load resistance

Load capacitance

VIH

VIL

VREF

RL

CL

VDD = 2.7V to 5.5V

VDD = 2.7V to 5.5V

See Note

2

GND

2

Serial clock frequency

fSCLK

Operating free-air temperature

TA

WM2625CD

0

WM2625ID

-40

Note: Reference input voltages greater than VDD/2 will cause clipping for large DAC codes.

MAX

5.5

0.8

VDD - 1.5

100

20

70

85

UNIT

V

V

V

V

kΩ

pF

MHz

°C

°C

WOLFSON MICROELECTRONICS LTD

PD Rev 1.0 April 2001

2

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