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參數(shù)資料
| 型號(hào)： | AD8014ART |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 400 MHz Low Power High Performance Amplifier |
| 中文描述： | OP-AMP, 6000 uV OFFSET-MAX, PDSO5 |
| 封裝： | PLASTIC, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大小： | 149K |
| 代理商： | AD8014ART |
AD8014
–8–
REV. B
Note: On Figures 19 and 20 R
F
= 500
, R
S
= 50
and C
L
=
20 pF.
APPLICATIONS
CD ROM and DVD Photodiode Preamp
High speed Multi-X CD ROM and DVD drives require high
frequency photodiode preamps for their read channels. To mini-
mize the effects of the photodiode capacitance, the low imped-
ance of the inverting input of a current feedback amplifier is
advantageous. Good group delay characteristics will preserve the
pulse response of these pulses. The AD8014, having many ad-
vantages, can make an excellent low cost, low noise, low power,
and high bandwidth photodiode preamp for these applications.
Figure 21 shows the circuit that was used to imitate a photo-
diode preamp. A photodiode for this application is basically a
high impedance current source that is shunted by a small ca-
pacitance. In this case, a high voltage pulse from a Picosecond
Pulse Labs Generator that is ac-coupled through a 20 k
resis-
tor is used to simulate the high impedance current source of a
photodiode. This circuit will convert the input voltage pulse into
a small charge package that is converted back to a voltage by the
AD8014 and the feedback resistor.
In this case the feedback resistor chosen was 1.74 k
, which is a
compromise between maintaining bandwidth and providing
sufficient gain in the preamp stage. The circuit preserves the
pulse shape very well with very fast rise time and a minimum of
overshoot as shown in Figure 22.
AD8014
1.74k
V
20k
V
49.9
V
49.9
V
+5V
–5V
OUTPUT
(10
3
PROBE)
(NO LOAD)
0.1
m
F
INPUT
Figure 21. AD8014 as a Photodiode Preamp
INPUT
20mV/DIV
1
2
OUTPUT
500mV/DIV
CH1
20.0V
CH2 500mV M 25.0ns
CH4
380mV
TEK RUN: 2.0GS/s ET AVERAGE
T[ ]
Figure 22. Pulse Response
Figure 19. Large Signal Step Response; V
S
=
±
5 V,
V
O
= 4 V Step
Figure 20. Large Signal Step Response; V
S
= +5 V,
V
O
= 2 V Step
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| AD8016ARB-EVAL | ER 6C 4#16 2#8 PIN RECP WALL |
| AD8016ARB-REEL | Circular Connector; No. of Contacts:5; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8014ART-EBZ | 功能描述:BOARD EVAL FOR AD8014ART 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:- |
| AD8014ART-R2 | 制造商:Analog Devices 功能描述:OP Amp Single Current Fdbk ±6V/12V 5-Pin SOT-23 T/R 制造商:Analog Devices 功能描述:OP AMP SGL CURRENT FDBK 6V/12V 5PIN SOT-23 - Tape and Reel |
| AD8014ART-REEL | 制造商:Analog Devices 功能描述:OP Amp Single Current Fdbk ±6V/12V 5-Pin SOT-23 T/R |
| AD8014ART-REEL7 | 功能描述:IC OPAMP CF LP LN LDIST SOT23-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
| AD8014ARTZ-R2 | 制造商:Analog Devices 功能描述:OP Amp Single Current Fdbk ±6V/12V 5-Pin SOT-23 T/R 制造商:Analog Devices 功能描述:IC OP-AMP 400MHZ 4000V/ SOT-23-5 制造商:Analog Devices 功能描述:OP AMP CF LP LN LDIST SOT23-5 制造商:Analog Devices 功能描述:OP AMP, CF, LP, LN, LDIST, SOT23-5 制造商:Analog Devices 功能描述:OP AMP, CF, LP, LN, LDIST, SOT23-5; Op Amp Type:Current Feedback; No. of Amplifiers:1; Slew Rate:4000V/s; Supply Voltage Range:4.5V to 12V; Amplifier Case Style:SOT-23; No. of Pins:5; Bandwidth:400MHz; Operating Temperature ;RoHS Compliant: Yes |
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