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參數(shù)資料
| 型號： | OP262GP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 15 MHz Rail-to-Rail Operational Amplifiers |
| 中文描述： | DUAL OP-AMP, 800 uV OFFSET-MAX, 15 MHz BAND WIDTH, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 1235K |
| 代理商： | OP262GP |
OP162/OP262/OP462
–12–
REV. D
T
FREQUENCY – Hz
0.010
0.0001
20
10k
100
1k
0.001
20k
V
S
= 2.5V
A
V
= 1
V
IN
= 1.0V rms
R
L
= 10k
BANDWIDTH:
<10Hz TO 22kHz
Figure 38. THD+N vs. Frequency Graph
X
FREQUENCY – Hz
–40
–140
20
10k
100
1k
–90
20k
–50
–60
–70
–80
–100
–110
–120
–130
A
V
= 1
V
IN
= 1.0V rms
(0dBV)
R
L
= 10k
V
S
= 2.5V
Figure 39. Crosstalk vs. Frequency Graph
PCB Layout Considerations
Because the OP162/OP262/OP462 can provide gain at high
frequency, careful attention to board layout and component
selection is recommended. As with any high speed application,
a good ground plane is essential to achieve the optimum perfor-
mance. This can significantly reduce the undesirable effects of
ground loops and I
￥
R losses by providing a low impedance refer-
ence point. Best results are obtained with a multilayer board
design with one layer assigned to ground plane.
Chip capacitors should be used for supply bypassing, with one
end of the capacitor connected to the ground plane and the
other end connected within 1/8 inch of each power pin. An
additional large tantalum electrolytic capacitor (4.7
m
F–10
m
F)
should be connected in parallel. This capacitor does not need to
be placed as close to the supply pins, as it is to provide current
for fast large-signal changes at the device’s output.
APPLICATION CIRCUITS
Single Supply Stereo Headphone Driver
Figure 40 shows a stereo headphone output amplifier that can
be run from a single +5 V supply. The reference voltage is
derived by dividing the supply voltage down with two 100 k
W
resistors. A 10
m
F capacitor prevents power supply noise from
contaminating the audio signal and establishes an ac ground for
the volume control potentiometers.
The audio signal is ac coupled to each noninverting input
through a 10
m
F capacitor. The gain of the amplifier is con-
trolled by the feedback resistors and is: (R2/R1) + 1. For this
example, the gain is 6. By removing R1 altogether, the amplifier
would have unity gain. A 169
W
resistor is placed at the output
in the feedback network to short-circuit protect the output of
the device. This would prevent any damage to the device from
occurring if the headphone output became shorted. A 270
m
F
capacitor is used at the output to couple the amplifier to the
headphone. This value is much larger than that used for the
input because of the low impedance of headphones, which can
range from 32
W
to 600
W
or more.
OP262-A
5V
169
270 F
47k
HEADPHONE
LEFT
L VOLUME
CONTROL
R1 = 10k
10 F
10 F
10k
5V
100k
10 F
100k
R2
= 50k
LEFT IN
OP262-B
5V
169
270 F
47k
HEADPHONE
RIGHT
10k
R VOLUME
CONTROL
10 F
RIGHT IN
R2
= 50k
10 F
R1
= 10k
Figure 40. Headphone Output Amplifier
Instrumentation Amplifier
Because of its high speed, low offset voltages and low noise
characteristics, the OP162/OP262/OP462 can be used in a wide
variety of high speed applications, including a precision instru-
mentation amplifier. Figure 41 shows an example of such an
application.
OP462-A
OP462-B
OP462-C
OP462-D
–V
IN
+V
IN
1k
10k
2k
1.9k
200
10 TURN
(OPTIONAL)
OUTPUT
R
G
1k
10k
2k
2k
Figure 41. A High Speed Instrumentation Amplifier
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP262GS | 功能描述:IC OPAMP GP R-R 15MHZ DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| OP262GS | 制造商:Analog Devices 功能描述:IC SM OP-AMP DUAL 15MHZ RRO/P ((NS)) |
| OP262GS-REEL | 功能描述:IC OPAMP GP R-R 15MHZ DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 放大器類型:電流檢測 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:- 增益帶寬積:125kHz -3db帶寬:- 電流 - 輸入偏壓:- 電壓 - 輸入偏移:100µV 電流 - 電源:1.1µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:4-WFBGA，CSPBGA 供應(yīng)商設(shè)備封裝:4-UCSP（2x2） 包裝:剪切帶 (CT) 其它名稱:MAX9634WERS+TCT |
| OP262GS-REEL7 | 功能描述:IC OPAMP GP R-R 15MHZ DUAL 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°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-SO 包裝:管件 |
| OP262GSZ | 功能描述:IC OPAMP GP R-R 15MHZ DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝: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 |
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