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參數(shù)資料
| 型號(hào)： | OP471GSZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 15/16頁(yè) |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP 6.5MHZ QUAD 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 4 |
| 轉(zhuǎn)換速率： | 8 V/µs |
| 增益帶寬積： | 6.5MHz |
| 電流 - 輸入偏壓： | 25nA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 9.2mA |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 772 (CN2011-ZH PDF) |
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REV. A
OP471
–8–
RS – SOURCE RESISTANCE –
1000
10
100
100k
PEAK-T
O-PEAK
NOISE
–
nV
100
10k
1k
OP11
OP400
OP471
OP470
RESISTOR
NOISE ONLY
Figure 6. Peak-to-Peak Noise (0.1 Hz to 10 Hz) vs. Source
Resistance (Includes Resistor Noise)
Figure 6 shows peak-to-peak noise versus source resistance over
the 0.1 Hz to 10 Hz range. Once again, at low values of RS, the
voltage noise of the OP471 is the major contributor to peak-to-peak
noise. Current noise becomes the major contributor as RS increases.
The crossover point between the OP471 and the OP400 for
peak-to-peak noise is at RS = 17
W.
The OP470 is a lower noise version of the OP471, with a typical
noise voltage density of 3.2 nV/
÷Hz @ 1 kHz. The OP470 offers
lower offset voltage and higher gain than the OP471, but is a slower
speed device, with a slew rate of 2 V/
ms compared to a slew rate
of 8 V/
ms for the OP471.
R1
5
R3
1.24k
OP471
DUT
R2
5
R5
909
OP27E
R4
200
C1
2 F
R6
600k
R9
306k
OP15E
R8
10k
D1
1N4148
D2
1N4148
C2
0.032 F
R10
65.4k
R11
65.4k
C3
0.22 F
OP15E
C4
0.22 F
R13
5.9k
R12
10k
R14
4.99k
C5
1 F
eOUT
GAIN = 50,000
VS = 15V
Figure 7. Peak-to-Peak Voltage Noise Test Circuit (0.1 Hz to 10 Hz)
For reference, typical source resistances of some signal sources
are listed in Table I.
TABLE I.
Source
Device
Impedance
Comments
Strain gauge
< 500
W
Typically used in
low-frequency applications.
Magnetic
< 1,500
W
Low IB very important to reduce
tapehead
self-magnetization problems
when direct coupling is used.
OP471 IB can be neglected.
Magnetic
< 1,500
W
Similar need for low IB in direct
phonograph
coupled applications. OP471
cartridges
will not introduce any
self -magnetization problem.
Linear variable
< 1,500
W
Used in rugged servo-feedback
differential
applications. Bandwidth of
transformer
interest is 400 Hz to 5 kHz.
*For further information regarding noise calculations, see “Minimization of
Noise in Op Amp Applications,” Application Note AN-15.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP471GSZ-REEL | 功能描述:IC OPAMP GP 6.5MHZ QUAD 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
| OP471K | 制造商:Ohmite Mfg Co 功能描述: |
| OP471P | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed, Low Noise Quad Operational Amplifier |
| OP471S | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed, Low Noise Quad Operational Amplifier |
| OP471Y | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed, Low Noise Quad Operational Amplifier |
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