Datasheet ADL6010 (Analog Devices)

Fast Responding, 45 dB Range, 0.5 GHz to 43.5 GHz Envelope Detector Data Sheet ADL6010 FEATURES FUNCTIONAL BLOCK DIAGRAM Schottky diode detector with linearization Broadband 50 Ω input impedance ADL6010 Accurate response from 0.5 GHz to 43.5 GHz with minimal RFCM 4 3 VPOS slope variation RFIN 5 LINEARIZER 2 VOUT Input range of −30 dBm to +15 dBm, referred to 50 Ω Excellent temperature stability RFCM 6 1 COMM
001
2.1 V/V
1617-
PEAK (output voltage per input peak voltage) slope at
1
10 GHz
Figure 1.
Fast envelope bandwidth: 40 MHz Fast output rise time: 4 ns Low power consumption: 1.6 mA at 5.0 V 2 mm × 2 mm, 6-lead LFCSP package APPLICATIONS Microwave point to point links Microwave instrumentation Radar-based measurement systems GENERAL DESCRIPTION
The ADL6010 is a versatile, broadband envelope detector A subtle aspect of the balanced detector topology is that no covering the microwave spectrum. It provides state-of-the- even-order distortion, caused by nonlinear source loading, art accuracy with very low power consumption (8 mW) in a occurs at the input. This is an important benefit in applications simple, easy to use 6-lead format. The output is a baseband where a low ratio coupler is used to extract a signal sample and voltage proportional to the instantaneous amplitude of the radio is a significant improvement over traditional diode detectors. frequency (RF) input signal. It exhibits minimal slope variation The power equivalent of a fluctuating RF input amplitude can of the RF input to envelope output transfer function from be extracted by the addition of an rms-to-dc converter IC. 0.5 GHz to 43.5 GHz. Alternatively, the baseband output can be applied to a suitably The detector cell uses a proprietary eight Schottky diode array fast analog-to-digital converter (ADC) and the rms value (and fol owed by a novel linearizer circuit that creates a linear other signal metrics, such as peak to average ratio) calculated in voltmeter with an overal scaling factor (or transfer gain) of the digital domain. nominal y ×2.2 relative to the voltage amplitude of the input. The output response accuracy is insensitive to variation in the Although the ADL6010 is not inherently a power responding supply voltage, which can range from 4.75 V to 5.25 V. The device, it remains convenient to specify the input in this way. ultralow power dissipation contributes to its long-term stability. Thus, the permissible input power, relative to a 50 Ω source input The ADL6010A is specified for operation from −40°C to +85°C, impedance, ranges from −30 dBm to +15 dBm. The corresponding and the ADL6010S is specified for operation from −55°C to input voltage amplitudes of 11.2 mV to 1.8 V generate quasi-dc +125°C. Both are available in a 6-lead, 2 mm × 2 mm LFCSP outputs from about 25 mV to 4 V above common (COMM). package.
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Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS MEASUREMENT SETUPS THEORY OF OPERATION BASIC CONNECTIONS PCB LAYOUT RECOMMENDATIONS SYSTEM CALIBRATION AND ERROR CALCULATION EFFECT OF A CAPACITAVE LOAD ON RISE TIME AND FALL TIME EVALUATION BOARD EVALUATION BOARD ASSEMBLY DRAWINGS OUTLINE DIMENSIONS ORDERING GUIDE