NJG1544HC3-TE1 - NJR - Datasheet.Directory

NJG1544HC3

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2x2 Antenna SWITCH GaAs MMIC

QGENERAL DESCRIPTION QPACKAGE OUTLINE

NJG1544HC3 is a 2x2 antenna switch IC designed for the

IEEE 802.11b or 802.11g (2.4GHz band) wireless LAN

application.

This device includes logic decoder function, and can be

operated by 2 bits signal to control Tx/Rx and ANT1/ANT2

switching.

This switch features high isolation and low loss.

The ultra small & ultra thin USB10-C3 package is adopted.

QFEATURES

OSingle low voltage control +2.5~+5.5V

OLow insertion loss 0.35dB typ. @TX-ANT2,f=2.5GHz, PIN=20dBm

0.50dB typ. @RX-ANT1,RX-ANT2,f=2.5GHz, PIN=10dBm

OHigh isolation 23dB typ. @f=2.5GHz, PIN=20dBm

OHandling power (TX port) 28dBm max. @f=2.5GHz, VDD=2.7V

OLow current consumption 120uA typ. @f=2.5GHz

OUltra small & ultra thin package USB10-C3 (Package size: 1.5x2.0x0.75mm)

QPIN CONFIGURATION

QTRUTH TABLE

NJG1544HC3

USB10-C3 Type

(TOP VIEW)

"H"=VCTL

(

)

"L"=VCTL

(

)

"X"="H" or "L"

(

Don't care

)

CTL1 CTL2

RX-ANT2 L L

RX-ANT1 L H

TX-ANT2 H X

PASS CONTROL SIGNAL

NT1

2CTL1

3CTL2

NT2

5GND

6TX

7GND

8VDD

9RX

10 GND

NJG1544HC3

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QABSOLUTE MAXIMUM RATINGS

PARAMETER SYMBOL CONDITIONS RATINGS UNITS

TX, ANT2 Terminal, VDD=2.7V, VCTL=0/2.7V 30 dBm

Input Power Pin RX, ANT1 Terminal, VDD=2.7V, VCTL=0/2.7V 25 dBm

Supply Voltage VDD V

DD Terminal 7.5 V

Control Voltage VCTL CTL1, CTL2 Terminal 7.5 V

Power Dissipation PD At on PCB board 135 mW

Operating Temp. Topr -40~+85 °C

Storage Temp. Tstg -55~+125 °C

QELECTRICAL CHARACTERISTICS

General conditions: VDD=2.7V, VCTL=0/2.7V, ZS=Zl=50Ω, Ta=25°C

Tested on PCB circuit as shown below.

Insertion loss of each connectors, striplines, and capacitors are excluded.

PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS

Supply voltage VDD 2.5 2.7 5.5 V

Operating current IDD f=2.5GHz - 120 150 uA

Control voltage (LOW) VCTL (L) 0 - 0.8 V

Control voltage (HIGH) VCTL (H) 2.0 - VDD V

Control current ICTL f=2.5GHz - 30 40 uA

Insertion loss 1 LOSS1 TX-ANT2, f=2.5GHz, PIN=20dBm - 0.35 0.65 dB

Insertion loss 2 LOSS2 RX-ANT1, RX-ANT2, f=2.5GHz,

PIN=10dBm - 0.5 0.8 dB

Isolation 1 ISL1 TX-ANT2, f=2.5GHz, Pin=20dBm 20 23 - dB

Isolation 2 ISL2 RX-ANT1, RX-ANT2, f=2.5GHz,

Pin=10dBm 20 23 - dB

Pin at 1dB

compression point P-1dB TX-ANT2, f=2.5GHz 26 28 - dBm

VSWR VSWR f=0.1~2.5GHz, ON State - 1.1 1.3

Switching time TSW f=0.1~2.5GHz - 200 300 ns

NJG1544HC3

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QTERMINAL INFORMATION

No. SYMBOL DESCRIPTION

1 ANT1 RF receiving port. An external capacitor of around 56pF is required to block

DC voltage (VDD).

2 CTL1 Control volta ge input terminal. This terminal is set to High-Level (+2V~VDD) or

Low-Level (0~+0.8V).

3 CTL2 Control volta ge input terminal. This terminal is set to High-Level (+2V~VDD) or

Low-Level (0~+0.8V).

4 ANT2 RF transmitting/receiving port. An external capacitor of 56pF is required to

block DC voltage (VDD) .

5 GND Ground terminal. Please connect this terminal with ground plane as close

as possible for excellent RF performance.

6 TX RF transmitting port. An external capacitor of around 56pF is required to

block DC voltage (VDD).

7 GND Ground terminal. Please connect this terminal with ground plane as close

as possible for excellent RF performance.

8 VDD Positive voltage supply terminal. The positive voltage (+2.5~+5.5V) have to

be supplied. Please connect a bypass capacitor with GND terminal for

excellent RF performance.

9 RX RF receiving port. An external capacitor of around 56pF is required to block

DC voltage (VDD) .

10 GND Ground terminal. Please connect this terminal with ground plane as close

as possible for excellent RF performance.

NJG1544HC3

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QELECTRICAL CHARACTERISTICS

(f=0.1~3.0GHz, with Application circuit, Losses of external circuit are excluded)

-2.0

-1.5

-1.0

-0.5

0.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(RX-ANT1 O N, VDD=2.7V, Pin= 0 d Bm )

Insertion Loss (dB)

Frequency (GHz)

RX-ANT1 Insertion Loss vs. Frequency

-2.0

-1.5

-1.0

-0.5

0.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(TX-ANT2 ON, VDD=2.7V, Pin=0dBm)

Insertion Loss (dB)

Frequency (GHz)

TX-ANT2 Insertion Lo ss vs. Frequenc y

-2.0

-1.5

-1.0

-0.5

0.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(RX-ANT2 O N, V DD=2.7 V, Pin=0dBm)

Insertion Loss (dB)

Frequency (GHz)

RX-ANT2 Insertion Loss vs. Frequency

-50

-40

-30

-20

-10

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(TX-ANT2 ON, VDD=2.7V, Pin=0dBm)

Isolation (dB)

Frequency (GHz )

RX-ANT2 Isolation vs. Frequ ency

-50

-40

-30

-20

-10

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(RX-ANT2 ON, VDD=2.7V, Pin=0dBm)

Frequency (GHz)

RX-ANT1 Isolation vs. Frequ e ncy

-50

-40

-30

-20

-10

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(RX-ANT2 ON, VDD=2.7V, Pin=0dBm)

Isolation (dB)

Frequency (GHz)

TX-ANT2 Isolation vs. frequency

NJG1544HC3

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QELECTRICAL CHARACTERISTICS

(f=0.1~3.0GHz, with Application circuit, Losses of external circuit are excluded)

1.0

1.2

1.4

1.6

1.8

2.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(RX-ANT2 ON , ANT 2 port, VDD=2.7 V)

VSWR

Frequency (GHz)

RX-A NT2 VSWR vs. Frequency

1.0

1.2

1.4

1.6

1.8

2.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(RX-ANT 1 ON, ANT1 port, VDD = 2.7V)

VSWR

Frequency (GHz)

RX-ANT1 VSWR vs. Frequency

1.0

1.2

1.4

1.6

1.8

2.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(TX-ANT2 ON, TX port, VDD=2.7V)

VSWR

Frequency (GHz)

TX-ANT 2 VSWR vs. Freque nc y

209ns

50ns/div

Switching Speed

(RX-ANT2 ON, VDD=2.7V)

192ns

50ns/div

Switching Speed

(RX-ANT1 ON, VDD=2.7V)

189ns

50ns/div

Switching Speed

(TX-ANT2 ON, VDD=2.7V)

NJG1544HC3

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QELECTRICAL CHARACTERISTICS

(f=0.1~3.0GHz, with Application circuit, Losses of external circuit are excluded)

120

130

140

150

160

14 16 18 20 22 24 26 28 30

(TX-ANT2 ON, fin=2.5GHz)

Output Power (dBm)

IDD (uA)

Input Powe r (dBm)

Output Power, IDD vs. Input Power

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

16 18 20 22 24 26 28 30 32

(TX-ANT2 ON, fin=960MHz)

Insertion Loss (dB)

Input Pow er (dBm)

Insertion Loss vs. Input Power

120

130

140

150

160

16 18 20 22 24 26 28 30 32

(TX-ANT2 ON, fin=960MHz)

Output Power (dBm)

IDD (uA)

Input Power (dBm)

Output Power, IDD vs. Input Power

100

200

300

400

500

600

14 16 18 20 22 24 26 28 30 32 34

(TX-ANT2 ON, fin=2.5GHz)

VDD=2.5V

VDD=2.7V

VDD=3.0V

VDD=3.5V

VDD=4.5V

VDD=5.5V

Output Power (dBm)

IDD (uA)

Input Powe r (dBm)

Output Power, IDD vs. Input Power

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

14 16 18 20 22 24 26 28 30 32 34

(TX-ANT2 ON, fin=2.5GHz)

VDD=2.5V

VDD=2.7V

VDD=3.0V

VDD=3.5V

VDD=4.5V

VDD=5.5V

Insertion Loss (dB)

Input Pow er (dBm)

Insertion Loss vs. Input Power

-50

-40

-30

-20

-10

0.0 0.5 1.0 1.5 2.0 2.5 3.0

(TX-ANT2 ON, VDD=2.7V, Pin=0dBm)

Isolation (dB)

Frequency (GHz)

RX-ANT2 Isolation vs. Frequ e ncy

NJG1544HC3

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Parts List

PCB SIZE=26x26 mm

PCB:FR4 t=0.5mm

CAPACITOR: size 1005

Microstrip Line Width=1.0mm

(Zo=50ohm)

VDD(2.7V)

NT2

CTL2(0V/2.7V)

CTL1(0V/2.7V)

NT1

GND

NJG1544HC3

QAPPLICATION CIRCUIT

Q RECOMMENDED PCB DESIGN

PRECAUTIONS

[1] The DC blocking capacitors have to be placed at RF terminal of Tx, Rx, ANT1 and ANT2.

Please choose appropriate capacitance values to the application frequency.

[2] To reduce stlipline influence on RF characteristics, please locate bypass capacitors (C5)

close to VDD terminals.

[3] For good isolation, the GND terminal (7th pin) must be placed possibly close to ground

plane of substrate, and through holes for GND should be placed near by the pin connection.

Parts number List 1 Notes

C1~C4 56pF GRM36 MURATA

C5~C7 10pF GRM36 MURATA

NJG1544HC3

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QPACKAGE OUTLINE (USB10-C3)

Cautions on using this product

This product contains Gallium-Arsenide (GaAs) which is a harmful material.

• Do NOT eat or put into mouth.

• Do NOT dispose in fire or break up this product.

• Do NOT chemically make gas or powder with this product.

• To waste this product, please obey the relating law of your country.

This product may be damaged with electric static discharge (ESD) or spike voltage. Please

handle with care to avoid these damages.

[CAUTION]

The specifications on this databook are only

given for information , without an

guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

0.038±0.01

1pin INDEX

(TOP VIEW) (SIDE VIEW)

1.5±0.05

0.2±0.050.2±0.05

0.3±0.1

0.2±0.1

0.5±0.1 0.5±0.1

2.0±0.05

R0.075

98 6

12 4

10 5

0.14±0.05

0.8±0.05

(BOTTOM VIEW)

0.5±0.1

0.3±0.05

TERMINAL TREAT :Au

PCB :FR5

Molding material : Epoxy resin

UNIT :mm

WEIGHT :7mg

0.75