Philips Semiconductors
Triple 8-bit video Digital-to-Analog
Converter (DAC)
INTERNAL CIRCUITRY
Product specification
TDF8771A
1/1 page = 296 mm (Datasheet)
V DDD
V DDA
GND
VSSD
(a)
DACs
resistor
string
V SSA
(b)
V DDA
V DD
V DDA
V DD
V DD
(c)
V DDA
V DD
125 Ω
(typ.)
GND
V SSA
MBB658 - 1
(d)
(a) Digital inputs; pins 3 to 5, 8 to 26 and 29 to 31.
(b) Pin VREF (pin 33).
(c) Pin IREF (pin 1).
(d) Pins OUTB, OUTG and OUTR (pins 36, 40 and 44).
Fig.5 Internal circuitry.
27 mm
2003 Apr 29
10