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The ADL5561ACPZ is a high-performance differential amplifier optimized for RF and IF ‌. With its ultra-low distortion, low noise and low power consumption, it is particularly suitable for driving 8-16 bit high-speed ADCs. The ADL5561 offers three optional gains through pin Settings of 6 dB, 12 dB, and 15.5 dB, which are reduced to 5.6 dB, 11.1 dB, and 14.1 dB in a single-ended configuration ‌. In addition, the ADL5561 uses an external series input resistor to flexibly extend the gain to achieve any gain from 0 to 15.5 dB ‌.

The ADL5561ACPZ has a typical static current of 40mA and consumes less than 3mA when disabled, providing excellent isolation between input and output.

The device's optimized broadband and low-distortion performance, coupled with its adjustable gain, makes it useful in general-purpose IF and broadband applications where low-distortion, low-noise and low-power characteristics are critical. The optimal combination of swing rate, bandwidth, and broadband distortion performance is optimized to drive A wide range of A/D converters and is particularly suitable for driving mixers, PIN diode attenuators, SAW filters, and multi-unit discrete devices.

The ADL5561ACPZ is manufactured using ADI's high-speed SiGe process and is packaged in a 3 mm×3 mm, 16-pin LFCSP compact package with an operating temperature range of −40°C to +85°C.

Features

−3 dB bandwidth: 2.9 GHz (AV = 6 dB)

Low supply current: 40 mA

Pin binding gain adjustment: 6 dB, 12 dB, 15.5 dB

Differential or single-ended input to differential output

Low noise input level: 2.1 nV/√Hz RTI (AV = 12 dB)

Low broadband distortion (AV = 6 dB)

10 MHz: -94 dBc (HD2), -87 dBc (HD3)

70 MHz: -98 dBc (HD2), -87 dBc (HD3)

140 MHz: -95 dBc (HD2), -87 dBc (HD3)

250 MHz: −80 dBc (HD2), -73 dBc (HD3)

IMD3s: -86 dBc (250 MHz center frequency)

Pressure swing rate: 9.8V /ns

Fast setup: 2 ns; Overdrive recovery: 3 ns

Single power supply: 3 V to 3.6 V

Turn-off control

It is manufactured by high speed XFCB3 SiGe process

Applications

Differential ADC driver

Single-ended - difference conversion

RF/IF gain stage

SAW filter matching interface