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參數(shù)資料
| 型號： | OP471GP |
| 廠商： | PRECISION MONOLITHICS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | High Speed, Low Noise Quad Operational Amplifier |
| 中文描述： | QUAD OP-AMP, 2500 uV OFFSET-MAX, 6.5 MHz BAND WIDTH, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 314K |
| 代理商： | OP471GP |
REV. A
OP471
–8–
RS – SOURCE RESISTANCE –
1000
10
100
100k
P
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 R
S
, the
voltage noise of the OP471 is the major contributor to peak-to-peak
noise. Current noise becomes the major contributor as R
S
increases.
The crossover point between the OP471 and the OP400 for
peak-to-peak noise is at R
S
= 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/
m
s compared to a slew rate
of 8 V/
m
s 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
e
OUT
GAIN = 50,000
V
S
= 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
Impedance
< 500
W
Device
Comments
Strain gauge
Typically used in
low-frequency applications.
Magnetic
tapehead
< 1,500
W
Low I
B
very important to reduce
self-magnetization problems
when direct coupling is used.
OP471 I
B
can be neglected.
Similar need for low I
B
in direct
coupled applications. OP471
will not introduce any
self -magnetization problem.
Magnetic
phonograph
cartridges
< 1,500
W
Linear variable
differential
transformer
< 1,500
W
Used in rugged servo-feedback
applications. Bandwidth of
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 |
|---|---|
| OP-471GP | 制造商:AD 制造商全稱:Analog Devices 功能描述:HIGH SPEED, LOW NOISE QUAD OPERATIONAL AMPLIFIER |
| OP471GPZ | 制造商:Analog Devices 功能描述:OP Amp Quad GP ±18V 14-Pin PDIP N 制造商:Analog Devices 功能描述:OP AMP QUAD LOW NOISE DIP14 471 |
| OP471GS | 功能描述:IC OPAMP GP 6.5MHZ QUAD 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
| OP-471GS | 制造商:AD 制造商全稱:Analog Devices 功能描述:HIGH SPEED, LOW NOISE QUAD OPERATIONAL AMPLIFIER |
| OP471GS-REEL | 功能描述:IC OPAMP GP 6.5MHZ QUAD 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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 |
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