tda8772h/8 NXP Semiconductors, tda8772h/8 Datasheet - Page 4

• Manufacturer Part Number: tda8772h/8
• Description: Triple 8-bit Video Digital-to-analog Converter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1997 Mar 06
handbook, full pagewidth
Triple 8-bit video digital-to-analog
converter
(bits G4 to G7)
(bits R4 to R7)
(bits R0 to R3)
(bits G0 to G3)
(bits B0 to B3)
(bits B4 to B7)
digital inputs
digital inputs
digital inputs
digital inputs
digital inputs
digital inputs
control input
control input
GREEN
GREEN
BLUE
BLUE
BLANK
RED
RED
SYNC
4
4
4
4
4
4
16–13
8–5
20–17
12
11
31–28
27–24
4–1
TDA8772
REGISTER
CONTROL
4
4
4
DECODER
DECODER
DECODER
MSB
MSB
MSB
Fig.1 Block diagram.
V DDA
35,39,43
reference voltage
decoupling input
REFERENCE
4
BANDGAP
(V
DECODER
RESISTOR
DECODER
RESISTOR
DECODER
RESISTOR
STRING
STRING
STRING
REF
LSB
LSB
LSB
34
4
4
4
)
V
DDD
10,32
V SSA
37,42
V
SSD
9,33
38
40
23
36
41
21
44
22
MBB661 - 2
current input
clock input
analog output
clock input
analog output
clock input
analog output
reference current
input for internal
GREEN
reference
(I
BLUE
GREEN
RED
REFB
BLUE
reference
RED
(I
Product specification
REFA
)
TDA8772
)