參數(shù)資料
型號(hào)： AD8004AR-14-REEL
廠商： ANALOG DEVICES INC
元件分類： 運(yùn)動(dòng)控制電子
英文描述： REMOVAL TOOL
中文描述： QUAD OP-AMP, 5000 uV OFFSET-MAX, PDSO14
封裝： SOIC-14
文件頁(yè)數(shù)： 9/16頁(yè)
文件大小： 271K
代理商： AD8004AR-14-REEL
REV. B
AD8004
–9–
THEORY OF OPERATION
The AD8004 is a member of a new family of high speed current-
feedback (CF) amplifiers offering new levels of bandwidth,
distortion, and signal-swing capability vs. power. Its wide dynamic
range capabilities are due to both a complementary high speed
bipolar process and a new design architecture. The AD8004 is
basically a two stage (Figure 30) rather than the conventional
one stage design. Both stages feature the current-on-demand
property associated with current feedback amplifiers. This gives
an unprecedented ratio of quiescent current to dynamic perfor-
mance. The important properties of slew rate, and full power
bandwidth benefit from this performance. In addition the
second gain stage buffers the effects of load impedance sig-
nificantly reducing distortion.
A full discussion of this new amplifier architecture is available on
the data sheet for the AD8011. This discussion only covers the
basic principles of operation.
DC AND AC CHARACTERISTICS
As with traditional op amp circuits the dc closed-loop gain is
defined as:
A
V
=
G
=
1
+
R
F
R
N
noninverting operation
A
V
=
G
=
R
F
R
N
inverting operation
The more exact relationships that take into account open-loop
gain errors are:
A
V
=
G
1
+
1
G
A
O
(
s
)
+
R
F
T
O
(
s
)
for inverting (G is negative)
A
V
=
G
1
+
G
A
O
(
s
)
+
R
F
T
O
(
s
)
for noninverting (G is positive)
In these equations the open-loop voltage gain (A
O
(s)) is com-
mon to both voltage and current-feedback amplifiers and is the
ratio of output voltage to differential input voltage. The open-
loop transimpedance gain (T
O
(s)) is the ratio of output voltage
to inverting input current and is applicable to current-feedback
amplifiers. The open-loop voltage gain and open-loop transim-
pedance gain (T
O
(s)) of the AD8004 are plotted vs. frequency
in Figures 20 and 23. These plots and the basic relationships
can be used to predict the first order performance of the AD8004
over frequency. At low closed-loop gains the term (R
F
/T
O
(s))
dominates the frequency response characteristics. This gives the
result that bandwidth is constant with gain, a familiar property
of current feedback amplifiers.
An R
F
of 1 k
has been chosen as the nominal value to give
optimum frequency response with acceptable peaking at gains of
+2/–1. As can be seen from the above relationships, at higher
closed-loop gains reducing R
F
has the effect of increasing closed-
loop bandwidth. Table I gives optimum values for R
F
and R
G
for a variety of gains.
V
P
Q1
Q2
IPP
IPN
INP
IPN
V
N
Z
I
IQ1
Q3
Q4
IE
C
P
1
C
P
1
A2
C
L
R
G
R
F
V
O
C
D
ICQ +
IO
V
O
′
IQ1
AD8004
A2
C
P
2
C
D
A3
R
L
A1
A1
Z2
Figure 30. Simplified Block Diagram
相關(guān)PDF資料
PDF描述
AD8004AR-14-REEL7 Quad 3000 V/us, 35 mW Current Feedback Amplifier
AD8004 Quad Current Feedback Amplifier(電流反饋四路放大器)
AD8005 Current Feedback Amplifier(電流反饋放大器)
AD800 Clock Recovery and Data Retiming Phase-Locked Loop(時(shí)鐘恢復(fù)和重定時(shí)PLL)
AD802 Clock Recovery and Data Retiming Phase-Locked Loop(時(shí)鐘恢復(fù)和重定時(shí)PLL)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8004AR-14-REEL7 制造商:Analog Devices 功能描述:OP Amp Quad Current Fdbk 制造商:Analog Devices 功能描述:OP Amp Quad Current Fdbk ±6V/12V 14-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:QUAD HI PERF LO PWR VIDEO - Tape and Reel
AD8004AR-EBZ 功能描述:BOARD EVAL FOR AD8004AR 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:-
AD8004ARZ-14 功能描述:IC OPAMP CF QUAD LP LDIST 14SOIC RoHS:是 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):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
AD8004ARZ-14-REEL 功能描述:IC OPAMP CF QUAD LP LDIST 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
AD8004ARZ-14-REEL7 功能描述:IC OPAMP CF QUAD LP LDIST 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*