AD8306ACHIPS

更新时间： 2024-02-14 03:37:45

品牌	Logo	应用领域
亚德诺 - ADI		模拟计算功能信号电路放大器
页数	文件大小	规格书
16页	400K
描述
5 MHz-400 MHz 100 dB High Precision Limiting-Logarithmic Amplifier

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AD8306ACHIPS 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SO-16	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.35
模拟集成电路 - 其他类型：	LOG OR ANTILOG AMPLIFIER	标称带宽：	395 MHz
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e3
长度：	9.9 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1.75 mm	最大供电电压 (Vsup)：	6.5 V
最小供电电压 (Vsup)：	2.7 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	技术：	BIPOLAR
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3.9 mm	Base Number Matches：	1

AD8306ACHIPS 数据手册

5 MHz–400 MHz 100 dB High Precision

Limiting-Logarithmic Amplifier

AD8306

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Complete, Fully Calibrated Log-Limiting IF Amplifier

100 dB Dynamic Range: –91 dBV to +9 dBV

Stable RSSI Scaling Over Temperature and Supplies:

20 mV/dB Slope, –95 dBm Intercept

؎0.4 dB RSSI Linearity up to 200 MHz

Programmable Limiter Gain and Output Current

Differential Outputs to 10 mA, 2.4 V p-p

SIX STAGES TOTAL GAIN 72dB

TYP GAIN 18dB

LIM

INHI

LMHI

12dB

INLO

LMLO

BIAS

LADR ATTEN

LMDR

CTRL

DET

Overall Gain 90 dB, Bandwidth 400 MHz

VLOG

FLTR

I–V

Constant Phase (Typical ؎56 ps Delay Skew)

Single Supply of +2.7 V to +6.5 V at 16 mA Typical

Fully Differential Inputs, R_IN= 1 k⍀, C_IN= 2.5 pF

500 ns Power-Up Time, <1 ␮A Sleep Current

TEN DETECTORS SPACED 12dB

GAIN

BIAS

BAND-GAP

REFERENCE

SLOPE

BIAS

INTERCEPT

TEMP COMP

ENBL

APPLICATIONS

Receivers for Frequency and Phase Modulation

Very Wide Range IF and RF Power Measurement

Receiver Signal Strength Indication (RSSI)

Low Cost Radar and Sonar Signal Processing

Instrumentation: Network and Spectrum Analyzers

The overall dynamic range for this combination extends from

–91 dBV (–78 dBm at the 50 Ω level) to a maximum permissible

value of +9 dBV, using a balanced drive of antiphase inputs each of

2 V in amplitude, which would correspond to a sine wave power

of +22 dBm if the differential input were terminated in 50 Ω.

Through laser trimming, the slope of the RSSI output is closely

controlled to 20 mV/dB, while the intercept is set to –108 dBV

(–95 dBm re 50 Ω). These scaling parameters are determined

by a band-gap voltage reference and are substantially indepen-

dent of temperature and supply. The logarithmic law conform-

ance is typically within ±0.4 dB over the central 80 dB of this

range at any frequency between 10 MHz and 200 MHz, and is

degraded only slightly at 400 MHz.

PRODUCT DESCRIPTION

The AD8306 is a complete IF limiting amplifier, providing both

an accurate logarithmic (decibel) measure of the input signal

(the RSSI function) over a dynamic range of 100 dB, and a

programmable limiter output, useful from 5 MHz to 400 MHz.

It is easy to use, requiring few external components. A single

supply voltage of +2.7 V to +6.5 V at 16 mA is needed, corre-

sponding to a power consumption of under 50 mW at 3 V, plus

the limiter bias current, determined by the application and typi-

cally 2 mA, providing a limiter gain of 90 dB when using 200 Ω

loads. A CMOS-compatible control interface can enable the

AD8306 within about 500 ns and disable it to a standby current

of under 1 µA.

The RSSI response time is nominally 73 ns (10%–90%). The

averaging time may be increased without limit by the addition of

an external capacitor. The full output of 2.34 V at the maximum

input of +9 dBV can drive any resistive load down to 50 Ω and

this interface remains stable with any value of capacitance on

the output.

The six cascaded amplifier/limiter cells in the main path have a

small signal gain of 12.04 dB (×4), with a –3 dB bandwidth of

850 MHz, providing a total gain of 72 dB. The programmable

output stage provides a further 18 dB of gain. The input is fully

differential and presents a moderately high impedance (1 kΩ in

parallel with 2.5 pF). The input-referred noise-spectral-density,

when driven from a terminated 50 Ω, source is 1.28 nV/√Hz,

equivalent to a noise figure of 3 dB. The sensitivity of the

AD8306 can be raised by using an input matching network.

The AD8306 is fabricated on an advanced complementary

bipolar process using silicon-on-insulator isolation techniques

and is available in the industrial temperature range of –40°C to

+85°C, in a 16-lead narrow body SO package. The AD8306 is

also available for the full military temperature range of –55°C to

+125°C, in a 16-lead side-brazed ceramic DIP.

Each of the main gain cells includes a full-wave detector. An

additional four detectors, driven by a broadband attenuator, are

used to extend the top end of the dynamic range by over 48 dB.

REV. A

Information furnished by Analog Devices is believed to be accurate and

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

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...16

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与AD8306ACHIPS相关器件

型号	品牌	获取价格	描述	数据表
AD8306AR	ADI	获取价格	5 MHz-400 MHz 100 dB High Precision Limiting-Logarithmic Amplifier
AD8306AR-REEL	ADI	获取价格	5 MHz-400 MHz 100 dB High Precision Limiting-Logarithmic Amplifier
AD8306AR-REEL7	ADI	获取价格	5 MHz-400 MHz 100 dB High Precision Limiting-Logarithmic Amplifier
AD8306ARU	ADI	获取价格	IC LOG OR ANTILOG AMPLIFIER, 350 MHz BAND WIDTH, PDSO16, TSSOP-16, Analog Computational Fu
AD8306ARZ	ADI	获取价格	Limiting-Logarithmic Amplifier
AD8306ARZ-REEL	ADI	获取价格	<span class="noTransform">5 MHz TO 400 MHz, 100 dB</span> High Preci
AD8306ARZ-RL7	ADI	获取价格	5 MHz TO 400 MHz, 100 dB High Precision Limiting - Logarithmic Amplifier
AD8306-EVAL	ADI	获取价格	5 MHz-400 MHz 100 dB High Precision Limiting-Logarithmic Amplifier
AD8307	ADI	获取价格	Low Cost DC-500 MHz, 92 dB Logarithmic Amplifier
AD8307_06	ADI	获取价格	Low Cost DC-500 MHz, 92 dB Logarithmic Amplifier

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