Datasheet ADL5567 (Analog Devices)

4.3 GHz, Ultrahigh Dynamic Range, Dual Differential Amplifier Data Sheet ADL5567 FEATURES FUNCTIONAL BLOCK DIAGRAM −3 dB bandwidth of 4.3 GHz VCCx ENBL1 High performance (HP), low power (LP), and power down modes RF Preset 20 dB gain can be reduced by adding external resistors Channel to channel gain error: 0.04 dB at 500 MHz VON1 Channel to channel phase error: 0.6° at 500 MHz Differential or single-ended input to differential output RG VIP1 VCOM1 Internally dc-coupled inputs and outputs RG VIN1 Low noise input stage: 7.4 dB noise figure at 500 MHz Low broadband distortion for supply = 5 V, HP mode, and 2 V p-p VOP1 200 MHz: −94 dBc (HD2), −103 dBc (HD3) PM1 R 500 MHz: −82 dBc (HD2), −82 dBc (HD3) F IMD3 of −104 dBc at 200 MHz and −90 dBc at 500 MHz RF Low single-ended input distortion PM2 Slew rate: 20 V/ns VON2 Maintains low distortion for output common-mode voltage down to 1.25 V RG1 VIP2 VCOM2 Single-supply operation: 3.3 V or 5 V RG1 VIN2 Low dc power consumption: 148 mA at 5 V (HP mode), and 80 mA at 3.3 V (LP mode) VOP2 APPLICATIONS RF Differential ADC drivers ADL5567
001
Single-ended to differential conversions GND ENBL2
13858-
RF/IF gain blocks
Figure 1.
SAW filter interfacing GENERAL DESCRIPTION
The ADL5567 is a high performance, dual differential amplifier The quiescent current of the ADL5567 using a 5 V supply is optimized for intermediate frequencies (IF) and dc applications. typical y 74 mA per amplifier in high performance mode. The amplifier offers a low noise of 1.29 nV/√Hz and excellent When disabled, each amplifier consumes only 3.5 mA, and has distortion performance over a wide frequency range, making it 58 dB input to output isolation at 100 MHz. an ideal driver for high speed 16-bit analog-to-digital converters The device is optimized for wideband, low distortion, and low (ADCs). The ADL5567 is ideal y suited for use in high performance noise operation, giving it unprecedented performance for zero-IF and complex IF receiver designs. In addition, this device overall spurious-free dynamic range (SFDR). These attributes, has excellent low distortion for single-ended input driver together with its adjustable gain capability, make this device the applications. amplifier of choice for driving a wide variety of ADCs, mixers, The ADL5567 provides a gain of 20 dB. For the single-ended input pin diode attenuators, SAW filters, and multielement discrete configuration, the gain is reduced to 18 dB. Using two external devices. series resistors for each amplifier expands the gain flexibility of Fabricated on an Analog Devices, Inc., high speed silicon the amplifier and al ows for any gain selection from 0 dB to 20 dB germanium (SiGe) process, the ADL5567 is supplied in a for a differential input and 0 dB to 18 dB for a single-ended input. compact 4 mm × 4 mm, 24-lead LFCSP package and operates In addition, this device maintains low distortion down to output over the −40°C to +85°C temperature. 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.
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Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION BASIC CONNECTIONS INPUT AND OUTPUT INTERFACING Single-Ended Input to Differential Output INPUT AND OUTPUT EQUIVALENT CIRCUITS GAIN ADJUSTMENT AND INTERFACING EFFECT OF LOAD CAPACITANCE ADC INTERFACING SOLDERING INFORMATION AND RECOMMENDED LAND PATTERN EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE