UDA1345 Просмотр технического описания (PDF) - Philips Electronics

Номер в каталоге

Компоненты Описание

производитель

UDA1345

Economy audio CODEC

Philips Electronics 

Philips Semiconductors

Economy audio CODEC

Product specification

UDA1345TS

7.12.2.8 Power control

A 2-bit value to disable the ADC and/or DAC to reduce power consumption.

Table 21 Power control settings

PC1

PC0

0

0

0

1

1

0

1

1

FUNCTION

ADC

off

off

on

on

DAC

off

on

off

on

8 LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages referenced to ground;

VDDD = VDDA = VDDO = 3 V; Tamb = 25 °C; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VDDD

Txtal(max)

Tstg

Tamb

digital supply voltage

maximum crystal temperature

storage temperature

ambient temperature

note 1

−

5.0

V

−

150

°C

−65

+125

°C

−40

+85

°C

Vesd

electrostatic handling

according to JEDEC II specification

Ilu(prot)

latch-up protection current

Tamb = 125 °C;

−

200

mA

VDD = 3.6 V

Isc(DAC)

short-circuit current of DAC

Tamb = 0 °C; VDD = 3 V;

note 2

output short-circuited −

to VSSA(DAC)

output short-circuited −

to VDDA(DAC)

450

mA

325

mA

Notes

1. All VDD and VSS connections must be made to the same power supply.

2. DAC operation after short-circuiting cannot be guaranteed.

9 THERMAL CHARACTERISTICS

SYMBOL

Rth(j-a)

PARAMETER

thermal resistance from junction to

ambient

CONDITIONS

in free air

VALUE

90

UNIT

K/W

2002 May 28

17

Share Link: