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參數資料
| 型號： | THS1240IPHP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT DELTA-SIGMA ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | POWER, PLASTIC, TQFP-48 |
| 文件頁數： | 6/20頁 |
| 文件大小： | 450K |
| 代理商： | THS1240IPHP |
THS1240
12-BIT 40 MSPS IF SAMPLING COMMUNICATIONS
ANALOG-TO-DIGITAL CONVERTER
SLAS279D – JUNE 2000 – REVISED JANUARY 2001
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
5
10
15
20
OUTPUT POWER SPECTRUM
f – Frequency – MHz
FS = 40 MSPS
fIN = 69 MHz
VIN = –2 dBFS
8K Point Discrete
Fourier Transform
Power
–
dBFS
Figure 19
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
5
10
15
20
TWO-TONE OUTPUT POWER SPECTRUM
f – Frequency – MHz
FS = 40 MSPS
fIN = 14.9 MHz and 15.6 MHz
VIN = –8 dBFS Each
8K Point Discrete
Fourier Transform
Power
–
dBFS
Figure 20
30
40
50
60
70
80
90
100
–60
–50
–40
–30
–20
–10
0
DYNAMIC POWER PERFORMANCE
vs
ANALOG INPUT POWER
Analog Input Power – dBFS
FS = 40 MSPS
fIN = 15.5 MHz
3rd Harmonic (dBc)
2nd Harmonic (dBc)
SINAD (dB)
SFDR (dBc)
SNR (dB)
Dynamic
Power
Performance
–
dB
D
Figure 21
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