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| 型号： | AD797BRZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP 110MHZ ULDIST 8SOIC |
| 标准包装： | 750 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 转换速率： | 20 V/µs |
| 增益带宽积： | 110MHz |
| -3db带宽： | 8MHz |
| 电流 - 输入偏压： | 250nA |
| 电压 - 输入偏移： | 10µV |
| 电流 - 电源： | 8.2mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | ±5 V ~ 15 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
Ultralow Distortion,
Ultralow Noise Op Amp
Data Sheet
Rev. J
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
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
2002-2014 Analog Devices, Inc. All rights reserved.
FEATURES
Low noise
0.9 nV/√Hz typical (1.2 nV/√Hz maximum) input voltage
noise at 1 kHz
50 nV p-p input voltage noise, 0.1 Hz to 10 Hz
Low distortion
120 dB total harmonic distortion at 20 kHz
Excellent ac characteristics
800 ns settling time to 16 bits (10 V step)
110 MHz gain bandwidth (G = 1000)
8 MHz bandwidth (G = 10)
280 kHz full power bandwidth at 20 V p-p
20 V/μs slew rate
Excellent dc precision
80 μV maximum input offset voltage
1.0 μV/°C VOS drift
Specified for ±5 V and ±15 V power supplies
High output drive current of 50 mA
APPLICATIONS
Professional audio preamplifiers
IR, CCD, and sonar imaging systems
Spectrum analyzers
Ultrasound preamplifiers
Seismic detectors
Σ-Δ ADC/DAC buffers
GENERAL DESCRIPTION
The AD797 is a very low noise, low distortion operational amplifier
ideal for use as a preamplifier. The low noise of 0.9 nV/√Hz and
low total harmonic distortion of 120 dB in audio bandwidths
give the AD797 the wide dynamic range necessary for preamps
in microphones and mixing consoles.
Furthermore, the AD797 has an excellent slew rate of 20 V/μs
and a 110 MHz gain bandwidth, which makes it highly suitable
for low frequency ultrasound applications.
The AD797 is also useful in infrared (IR) and sonar imaging
applications, where the widest dynamic range is necessary. The
low distortion and 16-bit settling time of the AD797 make it
ideal for buffering the inputs to Σ-Δ ADCs or the outputs of
high resolution DACs, especially when the device is used in
critical applications such as seismic detection or in spectrum
analyzers. Key features such as a 50 mA output current drive
and the specified power supply voltage range of ±5 V to ±15 V
make the AD797 an excellent general-purpose amplifier.
00846-
002
5
0
10M
3
1
100
2
10
4
1M
100k
10k
1k
FREQUENCY (Hz)
INP
UT
V
O
LT
A
GE
N
OIS
E(
nV
/√
H
z)
Figure 1. AD797 Voltage Noise Spectral Density
Table 1. Low Noise Op Amps
Voltage Noise
0.9 nV
1.1 nV
1.8 nV
2.8 nV
3.2 nV
3.8 nV
Single
Dual
Quad
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| AD7980ACPZ-RL | 功能描述:IC ADC 16BIT 1MSPS SAR 10LFCSP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
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