JRC NJG1312PC1 Datasheet

NJG1312PC1

SPDT SWITCH DRIVER AMPLIFIRE GaAs MMIC

NJG1312PC1

FFP16 Type

nGENERAL DESCRIPTION nPACKAGE OUTLINE

NJG1312PC1 is a GaAs MMIC mainly designed for CDMA
800MHz band cellular phone handsets.
This Ic features low current consumption and variable gain.
An ultra small & thin FFP package is adopted.

n

FEATURES

lLow supply voltage operation +2.9V typ.

lLow current consumption 17mA typ. @ P
lHigh gain 19dB typ. @ 900MHz
lPout at 1dB Gain Compression point +10dBm typ. @ 900MHz
lUltra small & thin package FFP16-C1 (Mount Size: 2.5x2.5x0.85mm)

n

PIN CONFIGURATION

=+5.6dBm

out

13

14

15

16

12

1

(Top View)

10

11

2

3 4

9

Pin Connection

8

1.PC 9.RF

out

2.GND 10.GND

7

6

3.GND 11.P2

4.RFin12. V

5.NC 13. V

6.GND 14.P1

CTR2
CTR1

7.GND 15.GND

5

8.BPC 16.GND

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NJG1312PC1

n

ABSOLUTE MAXIMUM RATINGS

(Ta=+25°C, Zs=Zl=50Ω)

PARAMETER SYMBOL CONDITIONS RATINGS UNITS
Drain Voltage V
Control Voltage V
Input Power P
Power Dissipation P
Operating Temperature T

Storage Temperature T

n

ELECTRICAL CHARACTERISTICS

(VDD=2.9V, V

DD

CTL

in
D

opr

stg

=2.7V, f=900MHz, Ta=-20~+80°C, Zs=Zl=50Ω, Rs (External)=180Ω)

CTR

VDD=2.9V 15 dBm

6 V
6 V

400 mW

-40~+85 °C

-55~+125 °C

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Frequency Freq 887 900 925 MHz
Drain Voltage V

Operating Current I

DD

DD

RF SW ON
P

=+5.6dBm

out

2.7 2.9 5.0 V

−

17 22 mA

Control Current

Control Voltage(LOW) V
Control Voltage(HIGH) V

Small Signal Gain Gain

I

CTL

CTL

CTL

(L)

(H)

RF SW ON
Pin=-15dBm

RF SW ON

Gain Flatness G

flat

Pin=-15dBm

f=887~925MHz
Gain Control Range G
Pout at 1dB Gain

Compression point

cont

P

-1dB

IN-Band Spurious1 IBS1

IN-Band Spurious2 IBS2

Pin=-15dBm -28.5 -27 -25.5 dB

RF SW ON

RF SW ON,

P

=+5.6dBm

out

OFFSET 900kHz

RF SW ON,

P

=+5.6dBm

out

OFFSET 1.98MHz

Input VSWR VSWRiRF SW ON
Output VSWR VSWRoRF SW ON

−

1.0 2.0

uA

-0.2 0 0.2 V

2.5 2.7 5.5 V
17 19 22 dB

−

−

−

−

−

−

0.5

+10

−

−

-55 -51 dBc

-73 -68 dBc

2.4 3.0

1.4 2.0

dB

dBm

Note) RF SW ON/OFF in the table above: Control voltages (V

RF SW ON P1: V
RF SW OFF P1: V

- 2 -

P2: V
P2: V

=0V, V

CTL1

=2.7V, V

CTL1

=2.7V, V

CTL1

=0V, V

CTL1

CTL2
CTL2

CTL2

CTL2

CTL1

=2.7V
=0V

=0V

=2.7V

, V

) are as follows

CTL2

NJG1312PC1

n

TERMINAL INFORMATION

No. SYMBOL DESCRIPTIONS

1 PC RF output terminal of SW.
2 GND Ground terminal.
3 GND Ground terminal.
4 RF
5 NC Neutral terminal. Should be connected to the ground.
6 GND Ground terminal.
7 GND Ground terminal.

8 BPC

9 RF

10 GND Ground terminal.
11 P2 RF input terminal 2 of SW.
12 V
13 V
14 P1 RF input terminal 1 of SW.
15 GND Ground terminal.
16 GND Ground terminal.

out

CTL2
CTL1

in

RF signal input terminal of driver amplifier.

Source electrode terminal of driver amplifier.
The operating current is chosen by a resistor connected
between this terminal and ground.

RF signal output terminal of driver amplifier.
Please use choke coil for power supply of driver amplifier at
this terminal.

Control terminal 2 of RF signal. Please see the truth table.
Control terminal 1 of RF signal. Please see the truth table.

Notice: PC terminal at pin 1 should be connected to the GND

through high resistance for pull-down (Max 560KΩ).

n

TRUTH TABLE

V

CTL1

V

CTL2

P1-PC P2-PC

0V 2.7V ON OFF

2.7V 0V OFF ON

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