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參數(shù)資料
| 型號： | AD8652ARMZ-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | 50 MHz, Precision, Low Distortion, Low Noise CMOS Amplifiers |
| 中文描述： | OP-AMP, 1400 uV OFFSET-MAX, 50 MHz BAND WIDTH, PDSO8 |
| 封裝： | LEAD FREE, MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 17/20頁 |
| 文件大?。?/td> | 558K |
| 代理商： | AD8652ARMZ-REEL |
AD8651/AD8652
Driving a 16-Bit ADC
The AD8651 is an excellent choice for driving high speed, high
precision ADCs. The driver amplifier for this type of
application needs to have low THD + N as well as quick settling
solution. The AD8651 drives the AD7685, a 250 kSPS, 16-bit data converter.
1
Rev. B | Page 17 of 20
1
μ
F
+
AD8651
–
V
V–
3
2
U1
IN
2.7nF
33
V
CC
5V
1k
10k
10k
1k
AD7685
V
IN
0V – 5V
f
IN
= 45kHz
0
The AD8651 is configured in an inverting gain of 1 with a 5 V
single supply. Input of 45 kHz is applied, and the ADC samples
at 250 kSPS. The results of this solution are listed in Table 6.
The advantage of this circuit is that the amplifier and ADC can
be powered with the same power supply. For the case of a
noninverting gain of 1, the input common-mode voltage
encompasses both supplies.
Figure 60. AD8651 Driving a 16-Bit ADC
Table 6. Data Acquisition Solution of Figure 60
Parameter
THD + N
SFDR
2
nd
Harmonics
3
rd
Harmonics
Reading (dB)
105.2
106.6
107.7
113.6
f
SAMPLE
= 250kSPS
f
INPUT RANGE = 0 TO 5V
0
FREQUENCY (kHz)
A
0
–160
–100
–120
–140
–80
–60
–40
–20
0
10
20
30 40
50
60
70
80
90
100 110 120
1
For more information about the AD7685 data converter, go to
http://www.analog.com/Analog_Root/productPage/productHome/0%2C21
21%2CAD7685%2C00.html
Figure 59. Frequency Response of AD8651 Driving a 16-Bit ADC
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| AD8652ARMZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:50 MHz, Precision, Low Distortion, Low Noise CMOS Amplifiers |
| AD8652ARZ | 功能描述:IC OPAMP VF CMOS 50MHZ LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD8652ARZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:50 MHz, Precision, Low Distortion, Low Noise CMOS Amplifiers |
| AD8652ARZ-REEL | 功能描述:IC OPAMP VF CMOS 50MHZ LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| AD8652ARZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:50 MHz, Precision, Low Distortion, Low Noise CMOS Amplifiers |
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