參數(shù)資料
型號(hào): TDA8757AHL/17
廠商: NXP SEMICONDUCTORS
元件分類: ADC
英文描述: 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP144
封裝: PLASTIC, HLQFP-144
文件頁(yè)數(shù): 21/37頁(yè)
文件大小: 908K
代理商: TDA8757AHL/17
Philips Semiconductors
TDA8757A
Triple 8-bit ADC 205 Msps
Preliminary data
Rev. 01 — 22 March 2002
28 of 37
9397 750 09549
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
[1]
PLL long-term time jitter is measured at the end of the video line, where it is at its maximum.
Table 18: Examples of PLL settings and performance
VCCA =VDDD =VCCD =VCCO =5V; Tamb =25 °C.
Video standards
fref
(kHz)
fclk
(MHz)
N
KO
(MHz/V)
CZ
(nF)
CP
(nF)
IP
(
A)
Z
(k
)
Long-term time jitter [1]
RMS-value
(ps)
peak-to-peak
value (ps)
VESA: 640
× 480
(VGA 60 Hz)
31.469 25.175 800
20
68
0.15
700
1.6
tbf
VESA: 800
× 600
(SVGA 72 Hz)
48.08
50
1040
30
68
0.15
400
3.2
tbf
VESA: 1024
× 768
(XGA 75 Hz)
60.02
78.75
1312
60
68
0.15
700
6
tbf
VESA: 1280
× 1024
(SXGA 60 Hz)
63.98
108
1688
60
68
0.15
700
2.25 tbf
tbf
VESA: 1280
× 1024
(SXGA 75 Hz)
80.00
135
1688
115
68
0.15
400
2.25 tbf
tbf
VESA: 1600
× 1200
(UXGA 60 Hz)
75.00
162
2160
115
68
0.15
400
3.2
tbf
VESA: 1600
× 1200
(UXGA 75 Hz)
93.75
202.5
2160
115
68
0.15
700
2.25 56
336
Fig 10. Data timing; Dmx = 0; n = even pixel.
CKDATA
50%
tCPL
tCPH
DATA
2.4 V
0.4 V
n
In1
In+1
In
Sample n
+1
Sample n
+3
Sample n
+2
td(s)
tsu(d)(o)
th(o)
Vin
FCE700
Fig 11. Timing diagram; single port mode (Dmx = 0).
CKDATA
RGBIN
TESTO
RGBIN
123456789
10
11
123456789
10
MGW779
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