TDA844 datasheet(8/16 Pages) PHILIPS

8 / 16 page

1999 Apr 29

Philips Semiconductors

Product speciﬁcation

Octuple 6-bit DACs with I2C-bus

TDA8444; TDA8444T;

TDA8444AT

Note

1. The output voltage is typically:

with Vswing =Vo(3FH) − Vo(00H) for VMAX =VCC.

DACs (DAC0 to DAC7)

DAC output voltage

VMAX =VCC

0.1

−

VCC − 0.5

Vo(min)

minimum output voltage

data = 00H;

IL = −2mA

0.1

0.28

0.5

Vo(max)

maximum output voltage

data = 3FH;

IL = −2mA

VMAX =VCC

10.0

10.5

11.5

1<VMAX <10V

−

note 1

−

Io(sink)

output sink current

VDAC =VCC;

data = 1FH

2815

Io(source)

output source current

VDAC =VEE;

data = 1FH

−2

−−6mA

output impedance

−2 ≤ IL ≤ +2 mA;

data = 1FH

−

450

Ω

DNL

differential non-linearity

VMAX =VCC;

IL = −2mA

−−±0.5

LSB

INL

integral non-linearity

VMAX =VCC;

IL = −2mA

−−±0.5

LSB

∆G

DC gain match at full-scale

data = 3FH;

IL = −2mA

−−

∆G/∆data

DC gain versus other DAC

data change

data = 3FH;

IL = −2mA

−

±0.5

−

LSB

temperature coefﬁcient

data = 3FH;

IL = −2mA

−

±0.1

−

LSB/K

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

swing

2.0

–

()

--------------------------------

MAX

o00H

()

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