參數(shù)資料
型號(hào)： AD8051AR
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 10/25頁(yè)
文件大?。?/td> 0K
描述： IC OPAMP VF R-R LDIST LP 8SOIC
標(biāo)準(zhǔn)包裝： 98
放大器類型： 電壓反饋
電路數(shù)： 1
輸出類型： 滿擺幅
轉(zhuǎn)換速率： 170 V/µs
-3db帶寬： 110MHz
電流 - 輸入偏壓： 1.4µA
電壓 - 輸入偏移： 1800µV
電流 - 電源： 4.8mA
電流 - 輸出 / 通道： 45mA
電壓 - 電源，單路/雙路(±)： 3 V ~ 12 V，±1.5 V ~ 6 V
工作溫度： -40°C ~ 125°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： 管件
AD8051/AD8052/AD8054
Rev. J | Page 17 of 24
APPLICATION INFORMATION
OVERDRIVE RECOVERY
Overdrive of an amplifier occurs when the output and/or input
range is exceeded. The amplifier must recover from this over-
drive condition. As shown in Figure 41, the AD8051/AD8052/
AD8054 recover within 60 ns from negative overdrive and
within 45 ns from positive overdrive.
VO
L
T
S
VS = ±5V
G = +5
RF = 2k
RL = 2k
V/DIV AS SHOWN
100ns
INPUT 1V/DIV
OUTPUT 2V/DIV
01
06
2-
04
0
Figure 41. Overdrive Recovery
DRIVING CAPACITIVE LOADS
Consider the AD8051/AD8052 in a closed-loop gain of +1 with
+VS = 5 V and a load of 2 kΩ in parallel with 50 pF. Figure 42
and Figure 43 show their frequency and time domain responses,
respectively, to a small-signal excitation. The capacitive load
drive of the AD8051/AD8052/AD8054 can be increased by
adding a low value resistor in series with the load. Figure 44
and Figure 45 show the effect of a series resistor on the capaci-
tive drive for varying voltage gains. As the closed-loop gain is
increased, the larger phase margin allows for larger capacitive
loads with less peaking. Adding a series resistor with lower
closed-loop gains accomplishes the same effect. For large
capacitive loads, the frequency response of the amplifier is
dominated by the roll-off of the series resistor and the load
capacitance.
FREQUENCY (MHz)
8
6
4
2
0
–2
–4
–6
–8
–10
G
A
IN
(
d
B
)
–12
0.1
500
100
110
0
106
2-
0
41
VS = 5V
G = +1
RL = 2k
CL = 50pF
VOUT = 200mV p-p
Figure 42. AD8051/AD8052 Closed-Loop Frequency Response; CL = 50 pF
2.60
2.55
2.50
2.45
2.40
VO
L
T
S
VS = 5V
G = +1
RL = 2k
CL = 50pF
50mV
100ns
0
10
62
-04
2
Figure 43. AD8051/AD8052 200 mV Step Response; CL = 50 pF
10000
1000
1
CA
P
ACI
T
IV
E
L
O
A
D
(
p
F
)
100
10
ACL (V/V)
VS = 5V
≤ 30%
OVERSHOOT
RS = 3
RS = 0
123
4
56
VOUT
CL
RS
RF
RG
50
VIN
100mV
STEP
01
06
2-
0
43
Figure 44. AD8051/AD8052 Capacitive Load Drive vs. Closed-Loop Gain
1000
100
10
CAP
A
CI
T
IV
E
L
O
AD
(p
F
)
ACL (V/V)
123
4
56
VOUT
CL
RS
RF
RG
50
VIN
100mV
STEP
VS = 5V
≤ 30%
OVERSHOOT
RS = 0
RS = 10
01
06
2-
04
4
Figure 45. AD8054 Capacitive Load Drive vs. Closed-Loop Gain
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參數(shù)描述
AD8051AR-EBZ 功能描述:BOARD EVAL FOR AD8051AR 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:-
AD8051AR-REEL 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P ±6V/12V 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:SOIC SINGLE 200MHZ L/C RAIL-TO-RAIL AMP - Tape and Reel
AD8051AR-REEL7 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R O/P ±6V/12V 8-Pin SOIC N T/R
AD8051ART 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier
AD8051ART-EBZ 功能描述:BOARD EVAL FOR AD8051ART 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:-
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