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| 型号： | ADA4899-1YRDZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF ULN ULDIST 8SOIC |
| 产品培训模块： | Practical Guide High Speed PCB Layout |
| 设计资源： | High Speed, Precision, Differential AC-Coupled Drive Circuit for AD7625 (CN0080) |
| 标准包装： | 2,500 |
| 放大器类型： | 电压反馈 |
| 电路数： | 1 |
| 转换速率： | 310 V/µs |
| -3db带宽： | 600MHz |
| 电流 - 输入偏压： | 6µA |
| 电压 - 输入偏移： | 35µV |
| 电流 - 电源： | 14.7mA |
| 电流 - 输出 / 通道： | 200mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 12 V，±2.25 V ~ 6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 供应商设备封装： | 8-SOIC-EP |
| 包装： | 带卷 (TR) |
Unity-Gain Stable, Ultralow Distortion,
1 nV/
√Hz Voltage Noise, High Speed Op Amp
ADA4899-1
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
www.analog.com
Fax: 781.461.3113
2005–2007 Analog Devices, Inc. All rights reserved.
FEATURES
Unity-gain stable
Ultralow noise: 1 nV/√Hz, 2.6 pA/√Hz
Ultralow distortion 117 dBc at 1 MHz
High speed
3 dB bandwidth: 600 MHz (G = +1)
Slew rate: 310 V/μs
Offset voltage: 230 μV maximum
Low input bias current: 100 nA
Wide supply voltage range: 5 V to 12 V
Supply current: 14.7 mA
High performance pinout
Disable mode
APPLICATIONS
Analog-to-digital drivers
Instrumentation
Filters
IF and baseband amplifiers
DAC buffers
Optical electronics
CONNECTION DIAGRAMS
05
72
0-
00
1
1
DISABLE
ADA4899-1
2
FEEDBACK
NC = NO CONNECT
3
–IN
+IN 4
+VS
8
VOUT
7
NC
6
–VS
5
Figure 1. 8-Lead LFCSP_VD (CP-8-2)
0
57
20-
002
1
FEEDBACK
ADA4899-1
2
–IN
3
+IN
–VS 4
DISABLE
8
+VS
7
VOUT
6
–VS
5
Figure 2. 8-Lead SOIC_N_EP (RD-8-1)
GENERAL DESCRIPTION
The ADA4899-1 is an ultralow noise (1 nV/√Hz) and distortion
(<117 dBc @1 MHz) unity-gain stable voltage feedback op
amp, the combination of which makes it ideal for 16-bit and
18-bit systems. The ADA4899-1 features a linear, low noise
input stage and internal compensation that achieves high slew
rates and low noise even at unity gain. The Analog Devices, Inc.
proprietary next-generation XFCB process and innovative
circuit design enable such high performance amplifiers.
The ADA4899-1 drives 100 Ω loads at breakthrough performance
levels with only 15 mA of supply current. With the wide supply
voltage range (4.5 V to 12 V), low offset voltage (230 μV maxi-
mum), wide bandwidth (600 MHz), and slew rate (310 V/μs),
the ADA4899-1 is designed to work in the most demanding
applications. The ADA4899-1 also features an input bias current
cancellation mode that reduces input bias current by a factor of 60.
The ADA4899-1 is available in a 3 mm × 3 mm LFCSP and an
8-lead SOIC package. Both packages feature an exposed metal
paddle that improves heat transfer to the ground plane, which is
a significant improvement over traditional plastic packages. The
ADA4899-1 is rated to work over the extended industrial
temperature range, 40°C to +125°C.
057
20
-07
1
100
10
1
0.1
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
G = +1
VS = ±5V
RL = 1k
VOUT = 2V p-p
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
B
c)
FREQUENCY (MHz)
HD3
HD2
Figure 3. Harmonic Distortion vs. Frequency
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