ADL5380ACPZ-R7 datasheet(6/36 Pages) AD

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ADL5380

Rev. 0 | Page 6 of 36

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

PIN 1

INDICATOR

NOTES

1. NC = NO CONNECT.

2. THE EXPOSED PAD SHOULD BE CONNECTED TO A

LOW IMPEDANCE THERMAL AND ELECTRICAL

GROUND PLANE.

GND3

GND1

IHI

ILO

GND1

VCC1

15 QLO

16 QHI

17 GND2

18 GND3

14 GND2

13 VCC2

ADL5380

TOP VIEW

(Not to Scale)

Figure 2. Pin Configuration

Table 3. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 2, 5, 8, 11, 14,

17, 18, 20, 23

GND1, GND2, GND3, GND4

Ground Connect.

3, 4, 15, 16

IHI, ILO, QLO, QHI

I Channel and Q Channel Mixer Baseband Outputs. These outputs have a 50 Ω differential

output impedance (25 Ω per pin). Each output pair can swing 2 V p-p (differential) into a

load of 200 Ω. The output 3 dB bandwidth is ~400 MHz.

6, 13, 24

VCC1, VCC2, VCC3

Supply. Positive supply for LO, IF, biasing, and baseband sections. Decouple these pins to

the board ground using the appropriate-sized capacitors.

ENBL

Enable Control. When pulled low, the part is fully enabled; when pulled high, the part is

partially powered down and the output is disabled.

9, 10

LOIP, LOIN

Local Oscillator Input. Pins must be ac-coupled. A differential drive through a balun is

necessary to achieve optimal performance. Recommended balun is the Mini-Circuits

TC1-1-13 for lower frequencies, the Johanson Technology 3600 balun for midband

frequencies, and the Johanson Technology 5400 balun for high band frequencies.

Balun choice depends on the desired frequency range of operation.

Do not connect this pin.

ADJ

A resistor to VS that optimizes third-order intercept. For operation <3 GHz, RADJ = 1.5 kΩ.

For operation from 3 GHz to 4 GHz, RADJ = 200 Ω. For operation >5 GHz, RADJ = open.

See the Circuit Description section for more details.

21, 22

RFIN, RFIP

RF Input. A single-ended 50 Ω signal can be applied differentially to the RF inputs through

a 1:1 balun. Recommended balun is the Mini-Circuits TC1-1-13 for lower frequencies, the

Johanson Technology 3600 balun for midband frequencies, and the Johanson Technology

5400 balun for high band frequencies. Balun choice depends on the desired frequency

range of operation.

Exposed Paddle. Connect to a low impedance thermal and electrical ground plane.

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