參數資料
型號： AD7714YRZ-REEL
廠商： Analog Devices Inc
文件頁數： 5/40頁
文件大?。?/td> 0K
描述： IC ADC 24BIT SIGMA-DELTA 24SOIC
標準包裝： 1,000
位數： 24
采樣率（每秒）： 1k
數據接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉換器數目： 1
功率耗散（最大）： 7mW
電壓電源： 模擬和數字
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 24-SOIC（0.295"，7.50mm 寬）
供應商設備封裝： 24-SOIC W
包裝： 帶卷 (TR)
輸入數目和類型： 3 個差分，單極；3 個差分，雙極；5 個偽差分，單極；5 個偽差分，雙極
配用： EVAL-AD7714-3EBZ-ND - BOARD EVAL FOR AD7714
2
AD7714
REV. C
–13–
BUFFERED MODE NOISE
Table III shows the typical output rms noise and effective resolution for some typical notch and –3 dB frequencies for the AD7714-
5 with fCLK IN = 2.4576 MHz and BUFFER = +5 V. Table IV gives the information for the AD7714-3 again with fCLK IN = 2.4576
MHz and BUFFER = +5 V. The numbers given are for the bipolar input ranges and are generated with a differential analog input
voltage of 0 V. For the AD7714-5, the VREF voltage is +2.5 V while for the AD7714 the VREF voltage is +1.25 V. The numbers in
brackets in each table are for the effective resolution of the part (rounded to the nearest 0.5 LSB). The effective resolution of the
device is defined as the ratio of the output rms noise to the input full scale (i.e., 2
× V
REF/GAIN). It should be noted that it is not
calculated using peak-to-peak output noise numbers. Peak-to-peak noise numbers can be up to 6.6 times the rms numbers while
effective resolution numbers based on peak-to-peak noise can be 2.5 bits below the effective resolution based on rms noise as quoted
in the tables.
Table III. AD7714-5 Buffered Mode Output Noise/Resolution for fCLK IN = 2.4576 MHz
Filter First
Typical Output RMS Noise in
V (Effective Resolution in Bits)
Notch & O/P
–3 dB
Gain of
Data Rate
Frequency
1
2
4
8
16
32
64
128
5 Hz
1.31 Hz
0.99
(22.5)
0.68
(22)
0.46 (21.5) 0.26 (21)
0.26 (20)
0.26 (19)
0.26 (18)
0.26 (17)
10 Hz
2.62 Hz
1.5
(21.5)
0.95
(21.5)
0.63 (21)
0.41 (20.5) 0.39 (19.5) 0.36 (18.5) 0.36 (17.5) 0.36 (16.5)
25 Hz
6.55 Hz
2.5
(21)
1.7
(20.5)
0.88 (20.5) 0.75 (19.5) 0.57 (19)
0.57 (18)
0.57 (17)
0.56 (16)
30 Hz
7.86 Hz
2.9
(20.5)
1.8
(20.5)
1
(20)
0.87 (19.5) 0.75 (18.5) 0.72 (17.5) 0.72 (16.5) 0.71 (15.5)
50 Hz
13.1 Hz
4.2
(20)
2.5
(20)
1.5
(19.5) 1.1
(19)
0.94 (18.5) 0.94 (17.5) 0.94 (16.5) 0.87 (15.5)
60 Hz
15.72 Hz
6.1
(19.5)
2.9
(19.5)
2
(19.5) 1.2
(19)
1
(18.5) 0.97 (17.5) 0.95 (16.5) 0.94 (15.5)
100 Hz
26.2 Hz
13.8
(18.5)
6.5
(18.5)
3.5
(18.5) 2.2
(18)
1.3
(18)
1.2
(17)
1.3
(16)
1.1
(15)
250 Hz
65.5 Hz
87
(16)
56
(15.5)
25
(15.5) 11
(15.5) 5.7
(15.5) 3.6
(15.5) 2.4
(15)
2.1
(14)
500 Hz
131 Hz
508
(13.5)
241
(13.5)
117 (13.5) 73
(13)
34
(13)
16
(13)
8.5
(13)
5.2
(13)
1 kHz
262 Hz
2860 (11)
1700 (10.5)
745 (10.5) 480 (10.5) 197 (10.5) 94
(10.5) 53
(10.5) 23
(10.5)
Table IV. AD7714-3 Buffered Mode Output Noise/Resolution for fCLK IN = 2.4576 MHz
Filter First
Typical Output RMS Noise in
V (Effective Resolution in Bits)
Notch & O/P
–3 dB
Gain of
Data Rate
Frequency
1
2
4
8
16
32
64
128
5 Hz
1.31 Hz
1.16
(21)
0.76
(20.5)
0.34 (20)
0.29 (20)
0.29 (19)
0.28 (18)
0.26 (17)
0.26 (16)
10 Hz
2.62 Hz
1.7
(20.5)
1
(20.5)
0.7
(20)
0.46 (19.5) 0.45 (18.5) 0.4
(17.5) 0.4
(16.5) 0.4
(15.5)
25 Hz
6.55 Hz
3.5
(19.5)
1.8
(19.5)
1.1
(19)
0.74 (18.5) 0.63 (18)
0.6
(17)
0.6
(16)
0.6
(15)
30 Hz
7.86 Hz
3.7
(19.5)
2.2
(19)
1.3
(19)
0.76 (18.5) 0.68 (18)
0.66 (17)
0.66 (16)
0.66 (15)
50 Hz
13.1 Hz
4.5
(19)
3
(18.5)
1.7
(18.5) 1.0
(18)
0.92 (17.5) 0.9
(16.5) 0.89 (15.5) 0.89 (14.5)
60 Hz
15.72 Hz
5.3
(19)
3.3
(18.5)
1.8
(18.5) 1.1
(18)
1
(17)
0.96 (16.5) 0.96 (15.5) 0.96 (14.5)
100 Hz
26.2 Hz
10
(18)
4.9
(18)
3.1
(17.5) 1.5
(17.5) 1.2
(17)
1.2
(16)
1.2
(15)
1.2
(14)
250 Hz
65.5 Hz
47
(15.5)
29
(15.5)
15
(15.5) 7.5
(15.5) 4.7
(15)
2.6
(15)
2.5
(14)
1.6
(13.5)
500 Hz
131 Hz
300
(13.5)
171
(13)
74
(13)
35
(13)
21
(13)
8.6
(13)
5.6
(13)
3.1
(12.5)
1 kHz
262 Hz
1722 (10.5)
735
(10.5)
380 (10.5) 230 (10.5) 93
(10.5) 55
(10.5) 30
(10.5) 12
(10.5)
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相關代理商/技術參數
參數描述
AD7714YRZ-REEL7 功能描述:IC ADC 24BIT SIGMA-DELTA 24SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率（每秒）:300k 數據接口:并聯(lián) 轉換器數目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端，單極；1 個單端，雙極
AD7715 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 450 uA 16-Bit, Sigma-Delta ADC
AD7715_10 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 450 ??A 16-Bit, Sigma-Delta ADC
AD7715-5EB 制造商:Analog Devices 功能描述:
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