TDA8444AT datasheet(7/16 Pages) PHILIPS

Part #	TDA8444AT

Description	Octuple 6-bit DACs with I2C-bus

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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7 / 16 page

1999 Apr 29

7

Philips Semiconductors

Product speciﬁcation

Octuple 6-bit DACs with I2C-bus

TDA8444; TDA8444T;

TDA8444AT

THERMAL CHARACTERISTICS

Note

1. When mounted on a Printed-Circuit Board (PCB).

CHARACTERISTICS

VCC = 12 V; Tamb =25 °C; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

Rth(j-a)

thermal resistance from junction to ambient

in free air

TDA8444

75

K/W

TDA8444T

note 1

100

K/W

TDA8444AT

note 1

85

K/W

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VCC

supply voltage

4.5

12

13.2

V

ICC

supply current

VMAX =VCC =12V;

data = 00H

12

14

19

mA

P

power dissipation

−

170

250

mW

Vrst

power reset voltage

1

−

4V

Pin VMAX

Vi(VMAX)

input effective voltage

1

−

VCC − 2.0

V

Ii

input current

VMAX =VCC

−−

10

µA

VMAX =1V

−−

10

µA

Pins SDA and SCL

VI

input voltage

0

−

5.5

V

VIL

LOW-level input voltage

−−

1.0

V

VIH

HIGH-level input voltage

3.0

−−

V

IIL

LOW-level input current

VSDA =VSCL = −0.3 V −−−10

µA

IIH

HIGH-level input current

VSDA =VSCL =6V

−−±10

µA

PIN SDA

VOL

LOW-level output voltage

IL =3mA

−−

0.4

V

Io(sink)

output sink current

3

8

−

mA

Address bits (A0 to A2)

VI

input voltage

0

−

VCC

V

VIL

LOW-level input voltage

−−

1.0

V

VIH

HIGH-level input voltage

2.2

−−

V

IIL

LOW-level input current

VAn =VEE

−10

−15

−µA

IIH

HIGH-level input current

VAn =VCC

−−

1

µA

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TDA8444AT Datasheet(PDF) 7 Page - NXP Semiconductors

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