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參數(shù)資料
| 型號： | AD9240ASZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 10MSPS 44-MQFP TR |
| 標(biāo)準(zhǔn)包裝： | 800 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 10M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 7 |
| 功率耗散（最大）： | 330mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-QFP |
| 供應(yīng)商設(shè)備封裝： | 44-MQFP（10x10） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 2 個單端，單極；1 個差分，單極 |
AD9240
REV.
–6–
Typical Differential AC Characterization Curves/Plots
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE =
10 MSPS, RBIAS = 2 k , TA = +25 C, Differential Input)
INPUT FREQUENCY – MHz
90
85
0.1
1
20
10
55
50
65
60
80
70
75
SINAD
–
dB
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 2. SINAD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
INPUT FREQUENCY – MHz
90
85
0.1
1
20
10
55
50
65
60
80
70
75
SINAD
–
dB
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 5. SINAD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
SAMPLE RATE – MHz
–60
–65
0.1
1
10
–95
–100
–85
–90
–70
–80
–75
THD
–
dB
5V SPAN
2V SPAN
Figure 8. THD vs. Sample Rate
(fIN = 5.0 MHz, AIN = –0.5 dBFS,
VCM = 2.5 V)
INPUT FREQUENCY – MHz
–40
–100
0.1
1
20
10
–90
–80
–70
–50
–60
THD
–
dB
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 3. THD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
INPUT FREQUENCY – MHz
–40
–100
0.1
1
20
10
–90
–80
–70
–50
–60
THD
–
dB
–20.0dBFS
–6.0dBFS
–0.5dBFS
Figure 6. THD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
AIN – dB
SFDR
–
dBc
AND
dBFS
110
20
90
60
50
40
30
80
70
–60
–50
0
–40
–30
–20
–10
5V SPAN – dBc
2V SPAN – dBFS
5V SPAN – dBFS
100
2V SPAN – dBc
Figure 9. Single Tone SFDR
(fIN = 5.0 MHz, VCM = 2.5 V)
FREQUENCY – MHz
AMPLITUDE
–
dB
0
–70
–100
0
5.0
–10
–60
–80
–90
–40
–50
–20
–30
–110
–120
1st
9th
8th
2nd
3rd
7th
6th
4th
5th
Figure 4. Typical FFT, fIN = 1.0 MHz
(Input Span = 5 V, VCM = 2.5 V)
2
FREQUENCY – MHz
AMPLITUDE
–
dB
0
–15
–30
–45
–60
–75
–90
–105
–120
–135
–150
1
3
4
5
6
7
8
9
0
5.0
Figure 7. Typical FFT, fIN = 5.0 MHz
(Input Span = 2 V, VCM = 2.5 V)
INPUT POWER LEVEL (
f
1
= f2) – dBFS
WORST
CASE
SPURIOUS
–
dBc
AND
dBFS
110
60
–40 –35
0
–30 –25 –20 –15 –10
–5
105
90
85
75
65
100
95
80
70
5V SPAN – dBFS
5V SPAN – dBc
2V SPAN – dBFS
2V SPAN – dBc
Figure 10. Dual Tone SFDR
(f1 = 0.95 MHz, f2 = 1.04 MHz,
VCM = 2.5 V)
B
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