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參數資料
| 型號： | AD7920 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70 |
| 中文描述： | 250 kSPS的，10-/12-Bit模數轉換器6引腳SC70 |
| 文件頁數： | 9/20頁 |
| 文件大小： | 1091K |
| 代理商： | AD7920 |
REV. B
Typical Performance Characteristics–AD7910/AD7920
–9–
TPC 1 and TPC 2 show a typical FFT plot for the AD7920 and
AD7910, respectively, at a 250 kSPS sampling rate and a 100 kHz
input frequency.
TPC 3 shows the signal-to-(noise + distortion) ratio performance
versus input frequency for various supply voltages while sampling
at 250 kSPS with a SCLK frequency of 5 MHz for the AD7920.
TPC 4 and TPC 5 show typical INL and DNL performance for the
AD7920.
FREQUENCY (kHz)
–5
–55
–115
0
125
25
S
50
75
100
–15
–35
–75
–95
8192 POINT FFT
V
DD
= 2.7V
f
SAMPLE
= 250kSPS
f
SINAD = 72.05dB
THD = –82.87dB
SFDR = –87.24dB
TPC 1. AD7920 Dynamic Performance at 250 kSPS
FREQUENCY (kHz)
–45
–105
S
–5
–25
–65
–85
8192 POINT FFT
V
DD
= 2.35V
f
SAMPLE
= 250kSPS
f
SINAD = 61.67dB
THD = –79.59dB
SFDR = –82.93dB
0
125
25
50
75
100
TPC 2. AD7910 Dynamic Performance at 250 kSPS
FREQUENCY (kHz)
–72.0
10
1000
S
100
–73.0
–73.5
V
DD
= 5.25V
V
DD
= 2.35V
V
DD
= 2.7V
V
DD
= 4.75V
V
DD
= 3.6V
–72.5
–71.0
–71.5
TPC 3. AD7920 SINAD vs. Input Frequency at 250 kSPS
CODE
1.0
0.4
–0.2
0
1024
I
512
0.8
0.6
0.2
0
–0.4
–0.6
–0.8
–1.0
1536
2048
2560
3072
3584
4096
V
= 2.35V
TEMP = 25 C
f
SAMPLE
= 250kSPS
TPC 4. AD7920 INL Performance
TPC 6 shows a graph of the total harmonic distortion versus analog
input frequency for different source impedances when using a
supply voltage of 3.6 V and sampling at a rate of 250 kSPS. See the
Analog Input section.
TPC 7 shows a graph of the total harmonic distortion versus analog
input signal frequency for various supply voltages while sampling
at 250 kSPS with an SCLK frequency of 5 MHz.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7920AKS-500RL7 | 制造商:Rochester Electronics LLC 功能描述:12-BIT 250KSPS,ADC SC70 PKG I.C. - Tape and Reel 制造商:Analog Devices 功能描述:12-BIT 250KSPS,ADC SC70 PKG I.C. |
| AD7920AKS-REEL | 制造商:Analog Devices 功能描述: |
| AD7920AKS-REEL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7920AKSZ-500RL7 | 功能描述:IC ADC 12BIT SRL 250KSPS SC70-6 RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7920AKSZ-REEL7 | 功能描述:IC ADC 12BIT SRL 250KSPS SC70-6 RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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