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參數(shù)資料
型號(hào)： AD8027AR
廠商： ANALOG DEVICES INC
元件分類： 音頻／視頻放大
英文描述： Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
中文描述： 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
封裝： MS-012AA, SOIC-8
文件頁(yè)數(shù)： 20/24頁(yè)
文件大小： 478K
代理商： AD8027AR
AD8027/AD8028
APPLICATIONS
Using the AD8027/AD8028 SELECT Pin
Rev. B | Page 20 of 24
The AD8027/AD8028 features a unique SELECT pin with two
functions. The first is a power-down function that places the
AD8027/AD8028 into low power consumption mode. In the
power-down mode, the amplifier draws 450 μA (typ) of supply
current.
The second function, as mentioned in the Theory of Operation
section, shifts the crossover point (where the NPN/PNP input
differential pairs transition from one to the other) closer to
either the positive supply rail or the negative supply rail. This
selectable crossover point allows the user to minimize
distortion based on the input signal and environment. The
default state is 1.2 V from the positive power supply, with the
SELECT pin left floating or in tri-state.
Table 6 shows the required voltages and modes of the
SELECT pin.
Table 6. SELECT Pin Mode Control
SELECT Pin Voltage (V)
V
S
= ±5 V
–5 to –4.2
–4.2 to –3.3
Mode
Disable
Crossover Referenced
–1.2 V to Positive Supply
Crossover Referenced
+1.2 V to Negative Supply
V
S
= +5 V
0 to 0.8
0.8 to 1.7
V
S
= +3 V
0 to 0.8
0.8 to 1.7
–3.3 to +5
1.7 to 5.0
1.7 to 3.0
When the input stage transitions from one input differential
pair to the other, there is virtually no noticeable change in the
output waveform.
The disable time of the AD8027/AD8028 amplifier is load
dependent. Typical data is presented in Table 7. See Figure 52
and Figure 53 for the actual switching measurements.
Table 7. DISABLE Switching Speeds
Supply Voltages
(R
L
= 1 k)
±5 V
t
ON
45 ns
t
OFF
980 ns
+5 V
50 ns
1100 ns
+3 V
50 ns
1150 ns
Driving a 16-Bit ADC
With the adjustable crossover distortion selection point and low
input signals into high resolution ADCs, such as the
AD7677,
a
16-Bit, 1 LSB INL, 1 MSPS
the typical schematic for driving the ADC.
相關(guān)PDF資料
PDF描述
AD8027AR-REEL Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027AR-REEL7 Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ART-R2 Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ART-REEL Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ART-REEL7 Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8027AR-EBZ 功能描述:BOARD EVAL FOR AD8027AR RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:-
AD8027AR-REEL 制造商:Analog Devices 功能描述:OP Amp Single GP R-R I/O 制造商:Rochester Electronics LLC 功能描述:SOIC, SINGLE LOW-PWR VLTG-FDBK OP AMP - Tape and Reel
AD8027AR-REEL7 制造商:Analog Devices 功能描述:OP Amp Single GP R-R I/O 制造商:Analog Devices 功能描述:OP Amp Single GP R-R I/O ±6V/12V 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:HIGH SPEED, RAIL-TO-RAIL IN/OUT OP-AMP - Tape and Reel
AD8027ART-EBZ 功能描述:BOARD EVAL FOR AD8027ART RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:-
AD8027ART-R2 功能描述:IC OPAMP R-R LDIST LN LP SOT23-6 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)
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