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參數(shù)資料
| 型號(hào)： | AD9243ASZRL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 21/24頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT SGL 3MSPS 44MQFP |
| 標(biāo)準(zhǔn)包裝： | 800 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 3M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 7 |
| 功率耗散（最大）： | 145mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)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(lèi)型： | 2 個(gè)單端，單極；1 個(gè)差分，單極 |
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AD9243
REV. A
–6–
Typical Differential AC Characterization Curves/Plots
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE
= 3.00 MSPS, TA = +25 C, Differential Input)
INPUT FREQUENCY – Hz
SINAD
–
dB
90
85
50
100k
1M
20M
10M
80
75
55
70
65
60
–0.5dBFS
–6.0dBFS
–20.0dBFS
14.7
13.8
8.0
13.0
12.2
8.8
11.3
10.5
9.7
ENOB
–
Bits
Figure 2. SINAD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
INPUT FREQUENCY – Hz
SINAD
–
dB
100k
1M
20M
10M
–0.5dBFS
–20.0dBFS
14.7
13.8
8.0
13.0
12.2
8.8
11.3
10.5
9.7
ENOB
–
Bits
90
85
80
75
70
65
60
55
50
–6.0dBFS
Figure 5. SINAD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
SAMPLE RATE – MSPS
–60
–65
–100
0.1
1
5
5V SPAN
2V SPAN
–70
–75
–95
–80
–85
–90
THD
–
dB
Figure 8. THD vs. Sample Rate
(fIN = 1.5 MHz, AIN = –0.5 dBFS,
VCM = 2.5 V)
–0.5dBFS
–6.0dBFS
–20.0dBFS
INPUT FREQUENCY – Hz
THD
–
dB
–40
–50
–100
100k
1M
20M
10M
–70
–80
–90
–60
Figure 3. THD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
–0.5dBFS
–6.0dBFS
–20.0dBFS
INPUT FREQUENCY – Hz
THD
–
dB
–40
–50
–100
100k
1M
20M
10M
–70
–80
–90
–60
Figure 6. THD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
AIN – dBFS
SFDR
–
dBc
AND
dBFS
110
40
–60
–50
0
–40
–30
–20
–10
100
90
80
60
50
70
dBc – 5V
dBc – 2V
dBFS – 5V
dBFS – 2V
Figure 9. Single Tone SFDR
(fIN = 1.5 MHz, VCM = 2.5 V)
93
4
2
8
5
7
6
0
–15
–30
–45
–60
–75
–90
–105
–120
–135
–150
0
1.5
FREQUENCY – MHz
AMPLITUDE
–
dB
1
Figure 4. Typical FFT, fIN = 500 kHz
(Input Span = 5 V, VCM = 2.5 V)
9
3
4
2
8
5
7
6
1
0
–15
–30
–45
–60
–75
–90
–105
–120
–135
–150
0
1.5
FREQUENCY – MHz
AMPLITUDE
–
dB
Figure 7. Typical FFT, fIN = 1.50 MHz
(Input Span = 2 V, VCM = 2.5 V)
INPUT POWER LEVEL (F1 = 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)
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