参数资料
型号: THS8134CPHP
厂商: TEXAS INSTRUMENTS INC
元件分类: DAC
英文描述: PARALLEL, 8 BITS INPUT LOADING, 0.005 us SETTLING TIME, 8-BIT DAC, PQFP48
封装: PLASTIC, HTQFP-48
文件页数: 7/27页
文件大小: 553K
代理商: THS8134CPHP
THS8134, THS8134A, THS8134B
TRIPLE 8BIT, 80 MSPS VIDEO D/A CONVERTER
WITH TRILEVEL SYNC GENERATION
SLVS205D MAY 1999 REVISED MARCH 2000
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
performance plots of AGY output channel at 80 MSPS and use of internal reference (continued)
160
140
120
100
80
60
40
20
0
0.00
0.81
1.62
2.43
3.24
4.05
4.86
5.67
6.48
7.29
8.10
Amplitude
(dBFS)
SPECTRUM OF DAC OUTPUTS
AMPLITUDE (dBFS)
vs
FREQUENCY (MHz)
Frequency (MHz)
8.91
Figure 9. Spectral Plot for 1.02 MHz Digital Sine Input at 80 MSPS
25.0
19.4
13.8
8.2
Blank
to
Full-Scale
V
ideo
Output
(V)
0.5
0.8
Time (ns)
DAC OUTPUT WAVEFORM
BLANK TO FULL-SCALE VIDEO OUTPUT (mV)
vs
TIME (ns)
1.1
2.6
3.0
0.6
0.7
0.9
1
8.6
14.2
19.8
0.4
0.3
0.2
Figure 10. DAC Output Waveform (rise/fall and settling times)
Table 5. DAC Output Amplitude Variation Over Varying Fin at Fclk = 80 MSPS
Fin (kHz)
Fclk (MSPS)
SYNC DROOP (dB)
EXCESS DROOP (dB)
500
80
0
5000
80
0.056
0.02
10000
80
0.22
0.08
20000
80
0.91
0.29
30000
80
2.11
0.39
40000
80
3.92
0.40
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