ADL5580BCCZ-R7 datasheet(16/22 Pages) AD

16 / 22 page

ADL5580

Data Sheet

Rev. 0 | Page 16 of 22

APPLICATIONS INFORMATION

Figure 32 shows the basic connection diagram, and Table 8

describes the operation of the ADL5580.

The ADL5580 is sensitive to power supplies. Power rail voltages

must be brought up and applied in a monotonically increasing

manner without any glitches to avoid issues with the internal

digital logic.

The ADL5580 can be ac-coupled, as shown in Figure 32, or the

device can be dc-coupled if within the specified input and

output VCM ranges.

BASIC CONNECTIONS

–

BALANCED

LOAD

ADL5580

0.1µF

½ RS

0.1µF

VINP

VINN

VOUTP

VOUTN

GND

+5V

–1.8V

1, 3, 5, 6, 10, 11, 13, 15, 16, 20

0.1µF

VCMI

0.1µF

PAD1

PAVCC

MAVEE

VCMO

SCLK

SDIO

PAD4

PAD3

PAD2

Figure 32. Basic Connection Diagram

Table 8. Basic Connections of the ADL5580

Functional Blocks

Pin No.

Mnemonic Description

Basic Connection

5 V

PAD1, PAD4

PAVCC

Amplifier analog supply

voltage, 5 V

Decouple each PAVCC pad via 100 pF, 1 µF capacitors

to ground. Ensure that the decoupling capacitors are

located close to the pads.

−1.8 V

PAD2, PAD3

MAVEE

Amplifier analog supply

voltage, −1.8 V

Decouple each MAVEE pad via 100 pF, 1 µF capacitors

to ground. Ensure that the decoupling capacitors are

located close to the pads.

RF Input

Differential RF inputs

Connect these pins to a differential configuration.

VINP

Positive RF Input

VINN

Negative RF Input

VCMI

VCM for the RF input signal

RF Output

Differential RF outputs

Connect the RF outputs to a power meter, network

analyzer, noise figure meter, or spectrum analyzer.

VOUTN

Negative RF output

VOUTP

Positive RF output

VCMO

VCM for the RF output signal

Serial Port

Chip select active low

1.8 V to 3.3 V tolerant logic levels.

SCLK

SPI clock

1.8 V to 3.3 V tolerant logic levels.

SDIO

SPI data input output

1.8 V to 3.3 V tolerant logic levels.

AMP Control

Amplifier enable

1.8 V to 3.3 V tolerant logic levels.

Ground

1, 3, 5, 6, 10, 11,

13, 15, 16, 20

GND

Ground

Connect the GND pins to the ground of the PCB.

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