TDA8444 データシートの表示（PDF） - Philips Electronics

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TDA8444

Octuple 6-bit DACs with I2C-bus

Philips Electronics 

Philips Semiconductors

Octuple 6-bit DACs with I2C-bus

Product specification

TDA8444; TDA8444T;

TDA8444AT

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

DACs (DAC0 to DAC7)

Vo

Vo(min)

Vo(max)

Io(sink)

DAC output voltage

minimum output voltage

maximum output voltage

output sink current

VMAX = VCC

data = 00H;

IL = −2 mA

data = 3FH;

IL = −2 mA

VMAX = VCC

1 < VMAX < 10 V

VDAC = VCC;

data = 1FH

0.1

0.1

10.0

−

2

−

0.28

VCC − 0.5 V

0.5

V

10.5

11.5

V

note 1

−

V

8

15

mA

Io(source)

output source current

VDAC = VEE;

data = 1FH

−2

−

−6

mA

Zo

output impedance

−2 ≤ IL ≤ +2 mA;

−

4

50

Ω

data = 1FH

DNL

differential non-linearity

VMAX = VCC;

−

IL = −2 mA

INL

integral non-linearity

VMAX = VCC;

−

IL = −2 mA

∆GFS

DC gain match at full-scale data = 3FH;

−

IL = −2 mA

∆G/∆data DC gain versus other DAC data = 3FH;

−

data change

IL = −2 mA

TC

temperature coefficient

data = 3FH;

−

IL = −2 mA

−

±0.5

−

±0.5

−

5

<±0.5

−

<±0.1

−

LSB

LSB

%

LSB

LSB/K

Note

1. The output voltage is typically: --(--V----VC----Cs---w--–--i-n-2--g--.-0----)- × VMAX + Vo (00H) with Vswing = Vo(3FH) − Vo(00H) for VMAX = VCC.

1999 Apr 29

8

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