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參數(shù)資料
型號(hào): AD8542ARU
廠商: ANALOG DEVICES INC
元件分類: 運(yùn)動(dòng)控制電子
英文描述: General Purpose CMOS Rail-to-Rail Amplifiers
中文描述: DUAL OP-AMP, 7000 uV OFFSET-MAX, 0.98 MHz BAND WIDTH, PDSO8
封裝: MO-153AA, TSSOP-8
文件頁(yè)數(shù): 10/12頁(yè)
文件大小: 170K
代理商: AD8542ARU
AD8541/AD8542/AD8544
10
REV. A
accomplish in the FNDR circuit. For example, the Twin-T
Notch uses three capacitors with two unique values, whereas the
FNDR circuit uses only two capacitors, which may be of the
same value. U3 is simply a buffer that is added to lower the out-
put impedance of the circuit.
4
f
=
R
2
C2
L
=
C2
1 F
1/4 AD8544
11
6
1/4 AD8544
14
U4
1/4 AD8544
8
U3
10
9
C1
1 F
1
2
π
LC1
R
2.61k
R1
Q ADJUST
200
V
OUT
2.5V
REF
2
1
3
1/4 AD8544
R
2.61k
12
13
NC
2.5V
REF
SPARE
5
7
R
2.61k
R
2.61k
2.5V
REF
U2
U1
Figure 33. FNDR 60 Hz Notch Filter with Output Buffer
Comparator Function
A comparator function is a common application for a spare op
amp in a quad package. Figure 34 illustrates 1/4 of the AD8544
as a comparator in a standard overload detection application.
Unlike so many op amps, the AD854x family can double as
comparator because this op amp family has rail-to-rail differen-
tial input range, rail-to-rail output, and a great speed vs. power
ratio. R2 is used to introduce hysteresis. The AD854x when
used as comparators have 5
μ
s propagation delay @ 5 V and 5
μ
s
overload recovery time.
R1
1k
V
OUT
2.5V
REF
V
IN
1/4 AD8544
2.5V
DC
R2
1M
Figure 34. The AD854x Comparator Application
Overload
Detector
Photodiode Application
The AD854x family has very high impedance with input bias
current typically around 4 pA. This characteristic allows the
AD854x op amps to be used in photodiode applications and
other applications that require high input impedance. Note that
the AD854x has significant voltage offset, which can be removed
by capacitive coupling or software calibration.
Figure 35, illustrates a photodiode or current measurement
application. The feedback resistor is limited to 10 M
to avoid
excessive output offset. Also note that a resistor is not needed
on the noninverting input to cancel bias current offset, because
the bias current related output offset is not significant when
compared to the voltage offset contribution. For the best per-
formance follow the standard high impedance layout techniques
including: shield circuit, clean circuit board, put a trace con-
nected to the noninverting input around the inverting input,
and use separate analog and digital power supplies.
AD8541
4
6
7
3
2
V
OUT
2.5V
REF
R
10M
C
100pF
D
2.5V
REF
OR
V+
Figure 35. High Input Impedance Application
Photodiode
Amplifier
相關(guān)PDF資料
PDF描述
AD8544AR General Purpose CMOS Rail-to-Rail Amplifiers
AD8544ARU General Purpose CMOS Rail-to-Rail Amplifiers
AD8541AR General Purpose CMOS Rail-to-Rail Amplifiers
AD8541ART General Purpose CMOS Rail-to-Rail Amplifiers
AD8551 Zero-Drift, Single-Supply,Rail-to-Rail Input/Output Operational Amplifier(低漂移,單電源,滿幅度輸入輸出運(yùn)放)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8542ARU-REEL 功能描述:IC OPAMP GP R-R CMOS 1MHZ 8TSSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 36 V,±1.35 V ~ 18 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-SO 包裝:帶卷 (TR)
AD8542ARUZ 功能描述:IC OPAMP GP R-R CMOS 1MHZ 8TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 12 V,±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT
AD8542ARUZ1 制造商:AD 制造商全稱:Analog Devices 功能描述:General-Purpose CMOS Rail-to-Rail Amplifiers
AD8542ARUZ-REEL 功能描述:IC OPAMP GP R-R CMOS 1MHZ 8TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:160 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:10 V/µs 增益帶寬積:9MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:250µV 電流 - 電源:730µA 電流 - 輸出 / 通道:28mA 電壓 - 電源,單路/雙路(±):2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:管件
AD8542ARZ 功能描述:IC OPAMP GP R-R CMOS 1MHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源,單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤,CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT
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