ADVANCE INFORMATION
VCT 38xxA
6.7.3.18. D/A Converter Reference
Symbol
Parameter
Pin Name
Min.
2.38
18
Typ.
2.50
25
Max.
2.67
32
Unit
V
Test Conditions
V
V
DAC-Ref. Voltage
VRD
DACREF
DACR
DAC-Ref. Output
resistance
kΩ
V
DAC-Ref. Voltage
XREF
2.38
2.5
2.67
V
R
= 10 kΩ
xref
XREF
Bias Current Generation
6.7.3.19. Analog RGB Outputs, D/A Converters
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
Internal RGB Signal D/A Converter Characteristics
Resolution
ROUT
GOUT
BOUT
−
3.6
−
10
3.75
−
−
3.9
0.5
1
bit
I
I
I
I
Full Scale Output Current
Differential Nonlinearity
Integral Nonlinearity
Glitch Pulse Charge
mA
LSB
LSB
pAs
R
= 10 kΩ
ref
OUT
OUT
OUT
OUT
−
−
−
0.5
−
Ramp signal, 25 Ω output ter-
mination
I
I
I
Rise and Fall Time
Intermodulation
Signal to Noise
−
−
3
−
−
−
−50
−
ns
10% to 90%, 90% to 10%
2/2.5MHz full scale
OUT
OUT
OUT
dB
dB
+50
Signal: 1MHz full scale Band-
width: 10MHz
I
Matching R-G, R-B, G-B
−2
−
−
2
%
OUT
R/B/G Crosstalk
one channel talks
two channels talk
−
−46
dB
Passive channel:
I
=1.88 mA
OUT
Crosstalk-Signal: 1.25 MHz,
3.75 mA
PP
RGB Input Crosstalk from exter-
nal RGB
one channel talks
two channels talk
three channels talk
−
−
−
−
−
−
−50
−50
−50
dB
dB
dB
Internal RGB Brightness D/A Converter Characteristics
Resolution
ROUT
GOUT
BOUT
−
9
−
bit
%
I
I
Full Scale Output Current rela-
tive
39.2
40
40.8
Ref to max. digital RGB
BR
Full Scale Output Current abso-
lute
−
1.5
−
mA
BR
I
I
I
I
Differential Nonlinearity
Integral Nonlinearity
Match R-G, R-B, G-B
−
−
−
−
−
−
1
2
2
2
LSB
LSB
%
BR
BR
BR
BR
−2
−2
Match to digital RGB
R-R, G-G, B-B
%
Micronas
161
MICRONAS [ MICRONAS ]
