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TDF8771AH

Triple 8-bit video Digital-to-Analog Converter (DAC)

Philips Electronics 

Philips Semiconductors

Triple 8-bit video Digital-to-Analog

Converter (DAC)

Product specification

TDF8771A

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Transfer function (fclk = 35 MHz)

INL

integral non-linearity

ramp input

−

±0.3 ±1

LSB

DNL

differential non-linearity

ramp input

−

±0.15 ±0.5 LSB

αct

MDAC

crosstalk DAC to DAC

DAC to DAC matching

−50 −

−

dB

−

1.0 2.8 %

Switching characteristics (for 1 kΩ output load); see Fig.4

td

input to 50% output delay time full-scale change

−

12

−

ns

ts1

settling time

10% to 90% of full-scale change −

15

−

ns

ts2

settling time

to ±1 LSB

−

50

−

ns

Output transients (glitches)

Vg

area for 1 LSB change

−

1

−

LSB⋅ns

Notes

1. Minimum and maximum data of current and power consumption are measured in worse case conditions: for

minimum data, all digital inputs are at logic level 0 while for maximum data, all digital inputs are at logic level 1.

2. VO is directly proportional to VVREF.

Table 1 Input coding and DAC output voltages (typical values)

BINARY INPUT DATA (SYNC = BLANK = 0)

0000 0000

0000 0001

to

1000 0000

to

1111 1110

1111 1111

CODE

0

1

to

128

to

254

255

DAC OUTPUT VOLTAGES (V)

OUTB, OUTR, OUTG

RL = 1 kΩ

0.262

0.273

to

1.731

to

3.188

3.200

2003 Apr 29

8

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