Datasheet > AD606R

AD606R

更新时间： 2024-11-24 21:22:31

品牌	Logo	应用领域
亚德诺 - ADI		放大器光电二极管
页数	文件大小	规格书
12页	448K
描述
IC LOG OR ANTILOG AMPLIFIER, 50 MHz BAND WIDTH, PDSO16, SOIC-16, Analog Computational Function

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AD606R 数据手册

50 MHz, 80 dB Demodulating

Logarithmic Amplifier with Limiter Output

AD606

a loadable output voltage of +0.1 V dc to +4 V dc. The logarith-

mic scaling is such that the output is +0.5 V for a sinusoidal

input of –75 dBm and +3.5 V at an input of +5 dBm; over this

range the logarithmic linearity is typically within ±0.4 dB. All

scaling parameters are proportional to the supply voltage.

FEATURES

Logarithmic Amplifier Performance

–75 dBm to +5 dBm Dynamic Range

≤1.5 nV/√Hz Input Noise

Usable to >50 MHz

37.5 mV/dB Voltage Output

On-Chip Low-Pass Output Filter

Limiter Performance

؎1 dB Output Flatness over 80 dB Range

؎3؇ Phase Stability at 10.7 MHz over 80 dB Range

Adjustable Output Amplitude

Low Power

+5 V Single Supply Operation

65 mW Typical Power Consumption

CMOS-Compatible Power-Down to 325 ␮W typ

<5 ␮s Enable/Disable Time

The AD606 can operate above and below these limits, with

reduced linearity, to provide as much as 90 dB of conversion

range. A second low-pass filter automatically nulls the input

offset of the first stage down to the submicrovolt level. Adding

external capacitors to both filters allows operation at input fre-

quencies as low as a few hertz.

The AD606’s limiter output provides a hard-limited signal

output as a differential current of ±1.2 mA from open-collector

outputs. In a typical application, both of these outputs are

loaded by 200 Ω resistors to provide a voltage gain of more than

90 dB from the input. Transition times are 1.5 ns, and the

phase is stable to within ±3° at 10.7 MHz for signals from

–75 dBm to +5 dBm.

APPLICATIONS

Ultrasound and Sonar Processing

Phase-Stable Limiting Amplifier to 100 MHz

Received Signal Strength Indicator (RSSI)

Wide Range Signal and Power Measurement

The logarithmic amplifier operates from a single +5 V supply

and typically consumes 65 mW. It is enabled by a CMOS logic

level voltage input, with a response time of <5 µs. When dis-

abled, the standby power is reduced to <1 mW within 5 µs.

PRODUCT DESCRIPTION

The AD606J is specified for the commercial temperature range

of 0°C to +70°C and is available in 16-lead plastic DIPs or

SOICs. Consult the factory for other packages and temperature

ranges.

The AD606 is a complete, monolithic logarithmic amplifier

using a 9-stage “successive-detection” technique. It provides

both logarithmic and limited outputs. The logarithmic output is

from a three-pole post-demodulation low-pass filter and provides

FUNCTIONAL BLOCK DIAGRAM

INHI

COMM

PRUP

VPOS

FIL1

FIL2

LADJ

LMHI

REFERENCE

AND POWER-UP

30pF

360k⍀

30pF

30k⍀

OFFSET-NULL

LOW-PASS FILTER

1.5k⍀

FINAL

LIMITER

MAIN SIGNAL PATH

11.15dB/STAGE

250⍀

9.375k⍀

12␮A/dB

TWO-POLE

SALLEN-KEY

FILTER

2pF

HIGH-END

DETECTORS

1.5k⍀

9.375k⍀

ONE-POLE

FILTER

AD606

2pF

2␮A/dB

INLO

COMM

ISUM

ILOG

BFIN

VLOG

OPCM

LMLO

REV. B

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

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与AD606R相关器件

型号	品牌	获取价格	描述	数据表
AD607	ADI	获取价格	Low Power Mixer/AGC/RSSI 3 V Receiver IF Subsystem
AD607ARS	ADI	获取价格	Low Power Mixer/AGC/RSSI 3 V Receiver IF Subsystem
AD607ARS-REEL	ADI	获取价格	Low Power Mixer/AGC/RSSI 3V Receiver IF Subsystem
AD607ARS-REEL	ROCHESTER	获取价格	TELECOM, CELLULAR, BASEBAND CIRCUIT, PDSO20, PLASTIC, SSOP-20
AD607ARSZ	ADI	获取价格	Low Power Mixer 3 V Receiver IF Subsystem
AD607ARSZ-REEL	ADI	获取价格	Low Power Mixer/AGC/RSSI 3V Receiver IF Subsystem
AD607ARSZ-REEL	ROCHESTER	获取价格	TELECOM, CELLULAR, BASEBAND CIRCUIT, PDSO20, PLASTIC, SSOP-20
AD608	ADI	获取价格	Low Power Mixer/Limiter/RSSI 3 V Receiver IF Subsystem
AD608AR	ADI	获取价格	Low Power Mixer/Limiter/RSSI 3 V Receiver IF Subsystem
AD608AR-REEL	ADI	获取价格	Low Power Mixer/Limiter/RSSI 3 V Receiver IF Subsystem

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