參數(shù)資料
型號(hào)： AD8099ACP-R2
廠商： ANALOG DEVICES INC
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Ultralow Distortion, High Speed 0.95 nV/Hz Voltage Noise Op Amp
中文描述： OP-AMP, 500 uV OFFSET-MAX, PDSO8
封裝： 3 X 3 MM, PLASTIC, LSCSP-8
文件頁(yè)數(shù)： 20/28頁(yè)
文件大小： 1208K
代理商： AD8099ACP-R2
AD8099
Rev. B | Page 20 of 28
FREQUENCY (MHz)
C
–1
3000
0
1
10
8
9
7
6
5
4
3
2
1
0
V
= ±5V
G = +2
R
= 1k
SOIC PACKAGE
10
100
1000
R
F
= R
G
= 200
R
F
= R
G
= 250
R
F
= R
G
= 300
FREQUENCY (MHz)
C
10
9
8
7
6
5
4
3
2
1
100
1000
3000
0
1
–1
0
10
C
F
= 1pF
C
F
= 0.5pF
C
F
= 1.5pF
V = ±5V
G = +2
R
= 1k
SOIC PACKAGE
FREQUENCY (MHz)
C
0
10000
0
1
12
10
11
9
8
7
6
5
4
3
2
1
V
= ±5V
G = +2
R
= 1k
SOIC PACKAGE
10
100
1000
R
S
= 0
R
S
= 50
R
S
= 20
1
8
4
7
5
3
6
2
AD8099
C5
0.1
μ
F
C
C
C
F
C1
C4
10
μ
F
C2
10
μ
F
C3
0.1
μ
F
R
C
R
F
R
G
R
S
R1
+V
S
–V
S
V
OUT
SOIC PINOUT SHOWN
V
IN
DISABLE
0
Figure 68. Frequency Response for Various Values of R
F
, C
F
, R
S
TOTAL OUTPUT NOISE CALCULATIONS AND DESIGN
To analyze the noise performance of an amplifier circuit, the
individual noise sources must be identified. Then determine if
the source has a significant contribution to overall noise perfor-
mance of the amplifier. To simplify the noise calculations, we
will work with noise spectral densities, rather than actual
voltages to leave bandwidth out of the expressions (noise
spectral density, which is generally expressed in nV/
√
Hz, is
equivalent to the noise in a 1 Hz bandwidth).
The noise model shown in Figure 69 has six individual noise
sources: the Johnson noise of the three resistors, the op amp
voltage noise, and the current noise in each input of the
amplifier. Each noise source has its own contribution to the
noise at the output. Noise is generally specified RTI (referred to
input), but it is often simpler to calculate the noise referred to
the output (RTO) and then divide by the noise gain to obtain
the RTI noise.
All resistors have a Johnson noise of
√
(4kBTR), where k is
Boltzmann’s Constant (1.38 × 10
–23
J/K), T is the absolute
temperature in Kelvin, B is the bandwidth in Hz, and R is the
resistance in ohms. A simple relationship, which is easy to
remember, is that a 50 resistor generates a Johnson noise of
1 nV
√
Hz at 25
°
C. The AD8099 amplifier has roughly the same
equivalent noise as a 50 resistor.
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參數(shù)描述
AD8099ACP-REEL 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
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AD8099ACPZ-R2 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk 制造商:Analog Devices 功能描述:OP AMP SGL VOLT FDBK 6V/12V 8LFCSP EP - Tape and Reel 制造商:Analog Devices 功能描述:ULTRA LOW NOISE & DIST. HIGH SPEED OPAMP 制造商:Rochester Electronics LLC 功能描述:- Bulk
AD8099ACPZ-REEL 功能描述:IC OPAMP VF ULN ULDIST 8LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 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(yè)面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5
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