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