AD797BR

更新时间： 2024-02-21 13:36:57

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
16页	408K
描述
Ultralow Distortion, Ultralow Noise Op Amp

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替代型号

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AD797BR 数据手册

Ultralow Distortion,

Ultralow Noise Op Amp

AD797*

FEATURES

Low Noise

CO NNECTIO N D IAGRAM

8-P in P lastic Mini-D IP (N),

Cerdip (Q) and SO IC (R) P ackages

0.9 nV/ √Hz typ (1.2 nV/ √Hz m ax) Input Voltage

Noise at 1 kHz

50 nV p-p Input Voltage Noise, 0.1 Hz to 10 Hz

Low Distortion

DECOMPENSATION &

DISTORTION

NEUTRALIZATION

–120 dB Total Harm onic Distortion at 20 kHz

Excellent AC Characteristics

800 ns Settling Tim e to 16 Bits (10 V Step)

110 MHz Gain Bandw idth (G = 1000)

8 MHz Bandw idth (G = 10)

OFFSET NULL

AD797

–IN

+IN

OUTPUT

–V

OFFSET NULL

280 kHz Full Pow er Bandw idth at 20 V p-p

20 V/ ␮s Slew Rate

TOP VIEW

Excellent DC Precision

80 ␮V m ax Input Offset Voltage

1.0 ␮V/ ؇C V_OSDrift

Specified for ؎5 V and ؎15 V Pow er Supplies

High Output Drive Current of 50 m A

necessary for preamps in microphones and mixing consoles.

Furthermore, the AD797’s excellent slew rate of 20 V/µs and

110 MHz gain bandwidth make it highly suitable for low fre-

quency ultrasound applications.

APPLICATIONS

Professional Audio Pream plifiers

IR, CCD, and Sonar Im aging System s

Spectrum Analyzers

Ultrasound Pream plifiers

Seism ic Detectors

⌺⌬ ADC/ DAC Buffers

T he AD797 is also useful in IR and Sonar Imaging applications

where the widest dynamic range is necessary. T he low distor-

tion and 16-bit settling time of the AD797 make it ideal for

buffering the inputs to Σ∆ ADCs or the outputs of high resolu-

tion DACs especially when they are used in critical applications

such as seismic detection and spectrum analyzers. Key features

such as a 50 mA output current drive and the specified power

supply voltage range of ±5 to ±15 volts make the AD797 an

excellent general purpose amplifier.

P RO D UCT D ESCRIP TIO N

T he AD797 is a very low noise, low distortion operational

amplifier ideal for use as a preamplifier. T he low noise of

0.9 nV/√Hz and low total harmonic distortion of –120 dB at

audio bandwidths give the AD797 the wide dynamic range

–90

–100

–110

–120

0.001

0.0003

0.0001

MEASUREMENT

LIMIT

–130

100

10k

100k

10M

100

300

10k

30k

100k

300k

FREQUENCY – Hz

THD vs. Frequency

AD797 Voltage Noise Spectral Density

*P atent pending.

REV. C

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700 Fax: 617/ 326-8703

12 3 4 5 6 7...16

中文翻译

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AD797BR 替代型号

型号	品牌	替代类型	描述	数据表
AD797BRZ-REEL7	ADI	类似代替	Ultralow Distortion, Ultralow Noise Op Amp
AD797BRZ	ADI	类似代替	Ultralow Distortion, Ultralow Noise Op Amp
AD797BRZ-REEL	ADI	类似代替	Ultralow Distortion, Ultralow Noise Op Amp

与AD797BR相关器件

型号	品牌	获取价格	描述	数据表
AD797BR-REEL	ADI	获取价格	Ultralow Distortion, Ultralow Noise Op Amp
AD797BR-REEL7	ADI	获取价格	Ultralow Distortion, Ultralow Noise Op Amp
AD797BRZ	ADI	获取价格	Ultralow Distortion, Ultralow Noise Op Amp
AD797BRZ-REEL	ADI	获取价格	Ultralow Distortion, Ultralow Noise Op Amp
AD797BRZ-REEL7	ADI	获取价格	Ultralow Distortion, Ultralow Noise Op Amp
AD797SQ/883B	ETC	获取价格	Voltage-Feedback Operational Amplifier
AD7980	ADI	获取价格	16-bit, 1 MSPS PulSAR ADC in MSOP/QFN
AD7980_13	ADI	获取价格	16-Bit, 1 MSPS PulSAR ADC in MSOP/QFN
AD79801	ADI	获取价格	14-Bit, 500 kSPS PulSAR ADC in MSOP
AD7980ACPZ-RL	ADI	获取价格	16-Bit, 1 MSPS PulSAR ADC in MSOP/QFN

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