參數(shù)資料
型號(hào): PTN3392BS/FX
廠商: NXP SEMICONDUCTORS
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQCC48
封裝: 7 X 7 MM, 0.85 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220, SOT619-1, HVQFN-48
文件頁(yè)數(shù): 7/29頁(yè)
文件大?。?/td> 641K
代理商: PTN3392BS/FX
PTN3392
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 15 July 2010
15 of 29
NXP Semiconductors
PTN3392
2-lane DisplayPort to VGA adapter IC
9.1 Display resolution
Table 4 lists some example display resolutions and clock rates that PTN3392 supports.
The available bandwidth over a 2-lane HBR DisplayPort v1.1a link limits pixel clock rate
support to:
240 MHz at 6 bpc
180 MHz at 8 bpc
9.2 Power supply filter
All supply pins can be tied to a single 3.3 V power source. Sufficient decoupling
capacitance to ground should be connected from each VCC pin directly to ground to filter
supply noise. (Refer to Figure 5 “Application diagram”.)
9.3 DAC terminations
We recommend the DAC outputs to use 75
Ω double termination. Figure 6 shows an
example of VGA dongle application. A 75
Ω termination is used to terminate inside the
dongle, and another 75
Ω termination is typically used inside the RGB monitor. The load
sensing mechanism assumes this double termination.
Table 4.
Display resolution and pixel clock rate
Display
type
Active video
Total frame
Bits per
pixel
Frame rate
(Hz)
Pixel clock
(MHz)
Data rate
(Gbit/s)
Horizontal
Vertical
Horizontal
Vertical
VGA
640
480
800
525
24
59.94
25.175
0.8
SVGA
800
600
1056
628
24
60.32
40.002
1.2
XGA
1024
768
1344
806
24
60
64.996
1.9
SXGA
1280
1024
1688
1066
24
60.02
108.000
3.2
SXGA
1280
1024
1728
1072
24
85
157.5
4.7
UXGA
1600
1200
2160
1250
18
85
229.500
5.2
UXGA
1600
1200
2160
1250
24
60
162.000
4.9
QXGA
2048
1536
2144
1555
24
49.266
164.249
4.9
WUXGA
1920
1200
2080
1235
24
59.95
153.883
4.6
WUXGA
1920
1200
2592
1245
18
59.885
193.25
4.35
Fig 6.
Recommended DAC terminations for PTN3392
002aae044
DAC
RED, GRN, BLU
RED_N, GRN_N, BLU_N
DONGLE
PCB
EMI filter
75
Ω
75
Ω
VGA cable
double-ended
termination
MONITOR
75
Ω
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