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Analog Devices - Dual Differential Amplifier

Numéro de référence ADL5567
Description Dual Differential Amplifier
Fabricant Analog Devices 
Logo Analog Devices 





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ADL5567 fiche technique
Data Sheet
4.3 GHz, Ultrahigh Dynamic Range,
Dual Differential Amplifier
ADL5567
FEATURES
−3 dB bandwidth of 4.3 GHz
High performance (HP), low power (LP), and power down modes
Preset 20 dB gain can be reduced by adding external resistors
Channel to channel gain error: 0.04 dB at 500 MHz
Channel to channel phase error: 0.6° at 500 MHz
Differential or single-ended input to differential output
Internally dc-coupled inputs and outputs
Low noise input stage: 7.4 dB noise figure at 500 MHz
Low broadband distortion for supply = 5V, HP mode, and 2 V p-p
200 MHz: −94 dBc (HD2), −103 dBc (HD3)
500 MHz: −82 dBc (HD2), −82 dBc (HD3)
IMD3 of −104 dBc at 200 MHz and −90 dBc at 500 MHz
Low single-ended input distortion
Slew rate: 20 V/ns
Maintains low distortion for output common-mode voltage
down to 1.25 V
Single-supply operation: 3.3 V or 5 V
Low dc power consumption: 148 mA at 5 V (HP mode), and
80 mA at 3.3 V (LP mode)
APPLICATIONS
Differential ADC drivers
Single-ended to differential conversions
RF/IF gain blocks
SAW filter interfacing
FUNCTIONAL BLOCK DIAGRAM
VCCx
ENBL1
RF
VIP1
VIN1
RG
RG
VON1
VCOM1
PM1
PM2
VIP2
VIN2
RG1
RG1
RF
RF
VOP1
VON2
VCOM2
VOP2
RF
ADL5567
GND
ENBL2
Figure 1.
GENERAL DESCRIPTION
The ADL5567 is a high performance, dual differential amplifier
optimized for intermediate frequencies (IF) and dc applications.
The amplifier offers a low noise of 1.29 nV/√Hz and excellent
distortion performance over a wide frequency range, making it
an ideal driver for high speed 16-bit analog-to-digital converters
(ADCs). The ADL5567 is ideally suited for use in high performance
zero-IF and complex IF receiver designs. In addition, this device
has excellent low distortion for single-ended input driver
applications.
The ADL5567 provides a gain of 20 dB. For the single-ended input
configuration, the gain is reduced to 18 dB. Using two external
series resistors for each amplifier expands the gain flexibility of
the amplifier and allows for any gain selection from 0 dB to 20 dB
for a differential input and 0 dB to 18 dB for a single-ended input.
In addition, this device maintains low distortion down to output
common-mode levels of 1.25 V, and therefore providing an added
capability for driving CMOS ADCs at ac levels up to 2 V p-p.
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
The quiescent current of the ADL5567 using a 5 V supply is
typically 74 mA per amplifier in high performance mode.
When disabled, each amplifier consumes only 3.5 mA, and has
58 dB input to output isolation at 100 MHz.
The device is optimized for wideband, low distortion, and low
noise operation, giving it unprecedented performance for
overall spurious-free dynamic range (SFDR). These attributes,
together with its adjustable gain capability, make this device the
amplifier of choice for driving a wide variety of ADCs, mixers,
pin diode attenuators, SAW filters, and multielement discrete
devices.
Fabricated on an Analog Devices, Inc., high speed silicon
germanium (SiGe) process, the ADL5567 is supplied in a
compact 4 mm × 4 mm, 24-lead LFCSP package and operates
over the −40°C to +85°C temperature.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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