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Specifications are subject to change without notice
9-4 Built-in Video-DAC Specifications
Input Codes for Video Application:
Programable,
Current setting:
WHITE (235)
BLACK (16)
PEDESTAL
SYNC TIP
WHITE (235)
BLACK (16)
PEDESTAL
SYNC TIP
9-5 Video Output Voltage Level:
High
Impedance Mode:
I
(max) = 19.4152 / R
OUT
V
(max) = R
OUT
LOAD
V
= D
/ 4095 * V
OUT
IN
Low
Impedance Mode:
I
(max) = 19.4152 / R
OUT
V
(max) = R
OUT
LOAD
V
= D
/ 4095 * V
OUT
IN
9-6 Video DAC DC Electrical Characteristics
(Op
erating Free-Air Temperature, AVDD 3.3V, DVDD = 3.3V).
Analog Output
Full Scale Output Current CVBS/Y/C/R/G/B
Full Scale Output Current CVBS/Y/C/R/G/B
LSB current CVBS/Y/C/R/G/B
LSB current CVBS/Y/C/R/G/B
DAC-to-DAC Mis-Matching
NTSC
NTSC w/setup
Programable,
Current setting:
3297
3297
960
1120
960
960
64
64
525_P w/s
PAL
Programable,
---
Current setting:
3290
---
1008
---
1008
---
64
, R
= 2.2 KOhm
REF
REF
* I
(max) = 1.3237 V, R
OUT
LOAD
(max) = D
* R
* 0.0047412 / R
OUT
IN
LOAD
, R
= 560 Ohm
REF
REF
* I
(max) = 1.3 V, R
OUT
LOAD
(max) = D
* R
* 0.0047412 / R
OUT
IN
LOAD
MEDIATEK CONFIDENTIAL, NO DISCLOSURE
525_I
Programable,
Current setting:
3297
960
960
64
625_I
Programable,
Current setting:
3290
1008
1008
64
= 150 Ohm
REF
= 37.5 Ohm ( 75 Ohm || 75 Ohm )
REF
(low impedance mode)
(high impedance mode)
(low impedance mode)
(high impedance mode)
23
525_I w/setup
525_P
Programable,
Programable,
Current setting:
Current setting:
3297
3290
1120
1008
960
1008
64
64
625_P
RGB
Programable,
Programable,
Current setting:
Current setting:
3290
2282
1008
0
1008
-
64
-
MIN
TYP
MAX
33.6
34.6
34.9
8.40
8.65
8.73
32.8
33.8
34.1
8.20
8.45
8.52
--
1.28
--
UNIT
mA
mA
uA
uA
%
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