adl5380 Analog Devices, Inc., adl5380 Datasheet - Page 5
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adl5380
Manufacturer Part Number
adl5380
Description
400 To 6000mhz Quadrature Demodulator
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADL5380.pdf
(10 pages)
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Preliminary Technical Data
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 2. Pin Function Descriptions
Pin No.
1,2,5,8,11,14,17,18,20,23
6, 13, 24
12,
7
3,4,15,16
19
21, 22
9,10
Mnemonic
GND
VCC
NC
ENBL
LOIP, LOIN
IHI, ILO, QLO,
QHI
ADJ
RFIN, RFIP
EP
Description
Ground Connect.
Supply. Positive supply for LO, IF, biasing, and baseband sections. These pins should be
decoupled to the board ground using appropriate-sized capacitors. o a low impedance ground
plane.
Do not connect these pins.
Enable Control.
current. The default setting for this pin is open.
Local Oscillator Input. Pins must be ac-coupled. A differential drive through a balun
(recommended balun is the M/A-COM ETC1-1-13 for lower frequecies and Johanson xxxx for
higher frequecies) is necessary to achieve optimal performance.
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. Output 3 dB bandwidth is ~ 500 MHz.
A resistor to VPOS that optimizes third order intercept. For operation < 3GHz, R
operation from 3GHz to 4GHz, R
RF Input. A single-ended 50 Ω signal can be applied to the RF inputs through a 1:1 balun
(recommended balun is the M/A-COM ETC1-1-13 for lower frequecies and Johanson xxxx for
higher frequecies).
Exposed Paddle. Connect to a low impedance thermal and electrical ground plane.
1
2
3
4
5
6
GND
GND
IHI
ILO
GND
VCC
ENBL
VCC
24
7
GND RFIP
GND LOIP LOIN GND
Figure 2. Pin Configuration
23
8
Rev. PrB | Page 5 of 10
(Not to Scale)
ADL5380
TOP VIEW
22
9
RFIN GND
21
10
ADJ
= 200Ω.
20
11
ADJ
NC
19
12
GND
GND
GND
QLO
VCC
QHI
18
17
16
15
14
13
ADJ
= 1.5 kΩ. For
ADL5380