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參數資料
| 型號： | AD8005ARZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CF ULP LDIST 10MA 8SOIC |
| 標準包裝： | 1,000 |
| 放大器類型： | 電流反饋 |
| 電路數： | 1 |
| 轉換速率： | 1500 V/µs |
| -3db帶寬： | 270MHz |
| 電流 - 輸入偏壓： | 5µA |
| 電壓 - 輸入偏移： | 5000µV |
| 電流 - 電源： | 400µA |
| 電流 - 輸出 / 通道： | 10mA |
| 電壓 - 電源，單路/雙路(±)： | 4 V ~ 12 V，±2 V ~ 6 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） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
270 MHz, 400 μA
Current Feedback Amplifier
Data Sheet
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
1996–2014 Analog Devices, Inc. All rights reserved.
FEATURES
Ultralow power
400 μA power supply current (4 mW on ±5 VS)
Specified for single supply operation
High speed
270 MHz, 3 dB bandwidth (G = +1)
170 MHz, 3 dB bandwidth (G = +2)
280 V/μs slew rate (G = +2)
28 ns settling time to 0.1%, 2 V step (G = +2)
Low distortion/noise
63 dBc at 1 MHz, VO = 2 V p-p
50 dBc at 10 MHz, VO = 2 V p-p
4.0 nV/√Hz input voltage noise at 10 MHz
Good video specifications (RL = 1 kΩ, G = +2)
Gain flatness 0.1 dB to 30 MHz
0.11% differential gain error
0.4° differential phase error
APPLICATIONS
Signal conditioning
A/D buffer
Power sensitive, high speed systems
Battery powered equipment
Loop/remote power systems
Communication or video test systems
Portable medical instruments
GENERAL DESCRIPTION
The AD8005 is an ultralow power, high speed amplifier with a
wide signal bandwidth of 170 MHz and slew rate of 280 V/μs.
This performance is achieved while consuming only 400 μA of
quiescent supply current. These features increase the operating
time of high speed battery powered systems without reducing
dynamic performance.
The current feedback design results in gain flatness of 0.1 dB to
30 MHz while offering differential gain and phase errors of 0.11%
and 0.4°. Harmonic distortion is low over a wide bandwidth with
THDs of 63 dBc at 1 MHz and 50 dBc at 10 MHz. Ideal features
for a signal conditioning amplifier or buffer to a high speed A-to-D
converter in portable video, medical or communication systems.
The AD8005 is characterized for +5 V and ±5 V supplies and
operates over the industrial temperature range of 40°C to
+85°C. The amplifier is supplied in 8-lead PDIP, 8-lead SOIC_N,
and 5-lead SOT-23 packages.
FUNCTIONAL BLOCK DIAGRAMS
Figure 1. 8-Lead PDIP and SOIC_N
Figure 2. 5-Lead SOT-23
Figure 3. Frequency Response; G = ±2, VS = +5 V or ±5 V
Figure 4. Distortion vs. Frequency; VS = ±5 V
AD8005
NC 1
–IN 2
+IN 3
–VS 4
NC
8
+VS
7
OUT
6
NC
5
NC = NO CONNECT
TOP VIEW
(Not to Scale)
12146
-002
AD8005
TOP VIEW
(Not to Scale)
OUT 1
+IN 3
–VS 2
+VS
5
–IN
4
12146-
003
0.1
1
10
100
500
NO
R
M
AL
IZ
E
D
G
AI
N
(d
B
)
FREQUENCY (MHz)
0
3
2
1
–1
–2
–3
–4
–5
–6
VS = +5V
VS = ±5V
G = +2
VOUT = 200mV p-p
RL = 1k
121
46-
0
01
110
20
D
IS
T
OR
T
ION
(
d
B
c)
FREQUENCY (MHz)
G = +2
VOUT = 2V p-p
RL = 1k
–40
–60
–80
–100
–50
–70
–90
THIRD HARMONIC
SECOND HARMONIC
12
14
6-
0
04
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