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參數資料
| 型號： | AD8551ARM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
| 中文描述： | OP-AMP, 10 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數： | 13/20頁 |
| 文件大小： | 262K |
| 代理商： | AD8551ARM |
AD8551/AD8552/AD8554
–13–
REV. 0
FREQUENCY – kHz
0
2
140
0
10
1
O
2
3
4
5
6
7
8
9
2
20
2
40
2
60
2
80
2
100
2
120
V
SY
= +5V
A
V
= 0dB
Figure 50. Spectral Analysis of AD855x Output in Unity
Gain Configuration
FREQUENCY – kHz
0
2
140
0
10
1
O
2
3
4
5
6
7
8
9
2
20
2
40
2
60
2
80
2
100
2
120
V
SY
= +5V
A
V
= +60dB
Figure 51. Spectral Analysis of AD855x Output with
+60 dB Gain
When an input signal is applied, the output will contain some
degree of Intermodulation Distortion (IMD). This is another
characteristic feature of all autocorrection amplifiers. IMD will
show up as sum and difference frequencies between the input sig-
nal and the 4 kHz clock frequency (and its harmonics) and is at a
level similar to or less than the clock feedthrough at the output.
The IMD is also proportional to the closed loop gain of the ampli-
fier. Figure 52 shows the spectral output of an AD8552 configured
as a high gain stage (+60 dB) with a 1 mV input signal applied.
The relative levels of all IMD products and harmonic distortion
add up to produce an output error of –60 dB relative to the input
signal. At unity gain, these would add up to only –120 dB relative
to the input signal.
FREQUENCY – kHz
0
0
10
1
O
2
3
4
5
6
7
8
9
2
20
2
40
2
60
2
80
2
100
2
120
OUTPUT SIGNAL
1Vrms @ 200Hz
IMD < 100
m
Vrms
V
SY
= +5V
A
V
= +60dB
Figure 52. Spectral Analysis of AD855x in High Gain with
a 1 mV Input Signal
For most low frequency applications, the small amount of auto-
zero clock frequency feedthrough will not affect the precision of the
measurement system. Should it be desired, the clock frequency
feedthrough can be reduced through the use of a feedback capaci-
tor around the amplifier. However, this will reduce the bandwidth
of the amplifier. Figures 53a and 53b show a configuration for
reducing the clock feedthrough and the corresponding spectral
analysis at the output. The –3 dB bandwidth of this configuration
is 480 Hz.
V
IN
= 1mV rms
@ 200Hz
100
V
100k
V
3.3nF
Figure 53a. Reducing Autocorrection Clock Noise with a
Feedback Capacitor
FREQUENCY – kHz
0
0
10
1
O
2
3
4
5
6
7
8
9
2
20
2
40
2
60
2
80
2
100
2
120
V
SY
= +5V
A
V
= +60dB
Figure 53b. Spectral Analysis Using a Feedback Capacitor
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| AD8552AR | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8551ARM-R2 | 制造商:Analog Devices 功能描述:SP Amp Zero Drift Amplifier Single R-R I/O 5V 8-Pin MSOP T/R 制造商:Rochester Electronics LLC 功能描述:SINGLE PRECISION RAIL-RAIL CHOPPER OPAMP - Bulk |
| AD8551ARM-REEL | 功能描述:IC OPAMP CHOPPER R-R 30MA 8MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數:4 輸出類型:滿擺幅 轉換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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） 供應商設備封裝:14-SOIC 包裝:帶卷 (TR) |
| AD8551ARMZ | 功能描述:IC OPAMP CHOPPER R-R 30MA 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1 系列:- 放大器類型:通用 電路數:4 輸出類型:滿擺幅 轉換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:14-SOICN 包裝:剪切帶 (CT) 產品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
| AD8551ARMZ-R2 | 制造商:Analog Devices 功能描述:SP Amp Zero Drift Amplifier Single R-R I/O 5V 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC 制造商:Analog Devices 功能描述:IC OP AMP R/R SINGLE 8MSOP |
| AD8551ARMZ-REEL | 功能描述:IC OPAMP CHOPPER R-R 30MA 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝:1 系列:- 放大器類型:RF/IF 差分 電路數:1 輸出類型:差分 轉換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應商設備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
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