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08004-001
Single-supply operation: 3 V to V Figure 1.
Power-down control
Fabricated using the high speed XFCB3 SiGe process
APPLICATIONS
Differential ADC drivers
Single-ended-to-differential conversion
RF/IF gain blocks
SAW filter interfacing
GENERAL DESCRIPTION
The ADL5561 is a high performance differential amplifier The device is optimized for wideband, low distortion performance.
optimized for RF and IF applications. The amplifier offers low These attributes, together with its adjustable gain capability,
noise of nV/√Hz and excellent distortion performance over make this device the amplifier of choice for general-purpose IF
a wide frequency range, making it an ideal driver for high speed and broadband applications where low distortion, noise, and power
8-bit to 16-bit analog-to-digital converters (ADCs). are critical. This device is optimized for the best combination of
The ADL5561 provides three gain levels of 6 dB, 12 dB, and dB slew speed, bandwidth, and broadband distortion. These attributes
through a pin-strappable configuration. For the single-ended allow it to drive a wide variety of ADCs and make it ideally suited
input configuration, the gains are reduced to dB, dB, and for driving mixers, pin diode attenuators, SAW filters, and multi-
dB. Using an external series input resistor expands the element discrete devices.
amplifier gain flexibility and allows for any gain selection from Fabricated on the Analog Devices, Inc., high speed SiGe process,
0 dB to dB. the ADL5561 is supplied in a compact 3 mm × 3 mm, 16-lead
The quiescent current of the ADL5561 is typically 40 mA and, LFCSP package and operates over the temperature range of
when disabled, consumes less than