參數(shù)資料
型號(hào)： OP113
廠商： Analog Devices, Inc.
英文描述： Low Noise, Low Drift Single-Supply Operational Amplifiers(低噪聲,低漂移,單電源運(yùn)算放大器)
中文描述： 低噪聲，低漂移單電源運(yùn)算放大器（低噪聲，低漂移，單電源運(yùn)算放大器）
文件頁(yè)數(shù)： 8/16頁(yè)
文件大?。?/td> 438K
代理商： OP113
OP113/OP213/OP413
–8–
REV. B
1/2 OP-213
+5V
1/2 OP-213
5k
OPTIONAL
GAIN
1k
V
REF
1/2 OP-213
+5V
V
REF
OPTIONAL
GAIN
1k
5k
29
19
31
10k
10μF
LOUT1L
LOUT1R
CMOUT
AD1849
V
REF
10μF
10k
L VOLUME
CONTROL
R VOLUME
CONTROL
16
220μF
47k
HEADPHONE
LEFT
16
220μF
47k
HEADPHONE
RIGHT
Figure 9. Headphone Output Amplifier for Multimedia
Sound Codec
Low Noise Microphone Amplifier for Multimedia
T he
OP113 family is ideally suited as a low noise microphone
preamp for low voltage audio applications. Figure 10 shows a
gain of 100 stereo preamp for the AD1849 16-bit SoundPort
Stereo Codec chip. T he common-mode output buffer serves as a
“phantom power” driver for the microphones.
+5V
1/2 OP-213
10k
50
10μF
20
100
10k
+5V
1/2 OP-213
20
50
10μF
10k
1/2 OP-213
10k
100
15
17 MINL
MINR
19 CMOUT
AD1849
LEFT
ELECTRET
CONDENSE
R
MIC
INPUT
RIGHT
ELECTRET
CONDENSE
R
MIC
INPUT
Figure 10. Low Noise Stereo Microphone Amplifier for
Multimedia Sound Codec
Precision Voltage Comparator
With its PNP inputs and zero volt common-mode capability, the
OP113 family can make useful voltage comparators. T here is
only a slight penalty in speed in comparison to IC comparators.
However, the significant advantage is its voltage accuracy. For
example, V
OS
can be a few hundred microvolts or less, com-
bined with CMRR and PSRR exceeding 100 dB, while operat-
ing on 5 V supply. Standard comparators like the 111/311
family operate on 5 volts, but not with common-mode at
ground, nor with offset below 3 mV. Indeed no commercially
available single supply comparator has a V
OS
less than 200
μ
V.
Figure 11 shows the OP113 family response to a 10 mV over-
drive signal when operating in open loop. T he top trace shows
the output rising edge has a 15
μ
s propagation delay, while the
bottom trace shows a 7
μ
s delay on the output falling edge. T his
ac response is quite acceptable in many applications.
1/2
OP-113
+5V
100
25k
0V
–2.5V
+2.5V
t
r =
t
f = 5ms
±10mV OVERDRIVE
10
90
100
0%
2V
2V
5μs
Figure 11. Precision Comparator
T he low noise and 250
μ
V (maximum) offset voltage enhance
the overall dc accuracy of this type of comparator. Note that
zero crossing detectors and similar ground referred comparisons
can be implemented even if the input swings to –0.3 volts below
ground.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OP113_07 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Noise, Low Drift Single-Supply Operational Amplifiers
OP113AZ/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier
OP113BZ/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier
OP113EP 制造商:Rochester Electronics LLC 功能描述:SINGLE LO-NOISE LO-DRIFT - Bulk
OP113ES 功能描述:IC OPAMP GP 3.4MHZ LN 40MA 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)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)
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