參數(shù)資料
型號(hào): AD9245BCPZ-80
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 14-Bit, 80 MSPS, 3 V A/D Converter
中文描述: 1-CH 14-BIT FLASH METHOD ADC, PARALLEL ACCESS, QCC32
封裝: EXPOSED PAD, MO-220-VHHD-2, LFCSP-32
文件頁數(shù): 11/28頁
文件大?。?/td> 1510K
代理商: AD9245BCPZ-80
AD9245
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, Sample Rate = 80 MSPS, DCS Disabled, T
A
= 25°C, 2 V p-p Differential Input, AIN = –0.5 dBFS,
VREF = 1.0 V External, unless otherwise noted
FREQUENCY (MHz)
A
0
5
10
15
20
25
30
35
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
40
03583-B-032
AIN = –0.5dBFS
SNR = 73.2dBc
ENOB = 11.8 BITS
SFDR = 92.8 dBc
Figure 8. Single Tone 8K FFT @ 2.5 MHz
FREQUENCY (MHz)
A
0
5
10
15
20
25
30
35
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
40
03583-B-023
AIN = –0.5dBFS
SNR = 72.7dBc
ENOB = 11.8 BITS
SFDR = 87.6 dBc
Figure 9. Single Tone 8K FFT @ 39 MHz
FREQUENCY (MHz)
A
0
5
10
15
20
25
30
35
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
40
03583-B-024
AIN = –0.5dBFS
SNR = 71.7dBc
ENOB = 11.5 BITS
SFDR = 81.6 dBc
Figure 10. Single Tone 8K FFT @ 70 MHz
INPUT AMPLITUDE (dBFS)
S
–30
–25
–20
–15
–10
–5
40
50
60
70
80
90
100
0
03583-B-033
SFDR (dBFS)
SNR (dBc)
SFDR = 90dBc
REFERENCE LINE
SFDR (dBc)
SNR (dBFS)
Figure 11. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 2.5 MHz
INPUT AMPLITUDE (dBFS)
S
–30
–25
–20
–15
–10
–5
40
50
60
70
80
90
100
0
03583-B-034
SFDR (dBFS)
SNR (dBc)
SFDR = 90dBc
REFERENCE LINE
SFDR (dBc)
SNR (dBFS)
Figure 12. Single Tone SNR/SFDR vs. Input Amplitude (AIN) @ 39 MHz
SAMPLE RATE (MSPS)
S
0
20
40
60
80
50
60
70
80
90
100
100
03583-B-025
SFDR (DIFF)
SFDR (SE)
SNR (DIFF)
SNR (SE)
Figure 13. SNR/SFDR vs. Sample Rate @ 40 MHz
Rev. B | Page 11 of 28
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